Items where Author is "Omar, Dzolkhifli"

Hassan, Iznee Rehanna and Omar, Dzolkhifli and Amit, Samsudin and Ismail, Siti Izera (2022) First report of Paramyrothecium roridum causing leaf blight on water hyacinth (Eichhornia crassipes) in Malaysia. Plant Disease, 106 (4). p. 1. ISSN 0191-2917; ESSN: 1943-7692

Salim, Muhammad Zafrullah and Mohd Zahir, Mohammad Hilmi and Muharam, Farrah Melissa and Adam, Nur Azura and Omar, Dzolkhifli and Husin, Nor Azura and Syed Ali, Syed Mohd Faizal (2022) Weather-based forecasting model for the presence of Metisa plana in oil palm plantation using feature selection in artificial neural network. Serangga, 27 (1). 138 - 151. ISSN 1394-5130

Syed Mohamed, Syed Mazuan and Ishak, Insyirah and Omar, Dzolkhifli and Asib, Norhayu (2021) Optimization of motorized backpack mistblower for efficient application of insecticides against the bagworm, Metisa plana walker. Pakistan Journal of Agricultural Sciences, 34 (2). 479 - 485. ISSN 0251-0480

Shaari, Aznizan and Yunus, Robiah and Ab.Raman, Ismail and Omar, Dzolkhifli and Shahar, Mohd Khadri and Awang Biak, Dayang Radiah and Kania, Dina and Aulia, Akmal (2021) Field efficacy of palm oil-based nanoemulsion insecticides against Aedes aegypti in Malaysia. Acta Tropica, 224. art. no. 106107. pp. 1-12. ISSN 0001-706X; ESSN: 1873-6254

Abdullahi, Gambo and Muhamad Awang, Rita and Omar, Dzolkhifli and Sinniah, Uma Rani (2019) Efficiency of cardboard solar heater boxes for disinfestations of stored grains against arthropod pest. Journal of Agricultural Science and Technology, 11 (3). pp. 247-257. ISSN 1313-8820; ESSN: 1314-412X

Mokhtar, Anis Syahirah and Muhamad Awang, Rita and Omar, Dzolkhifli and Asib, Norhayu (2019) Molluscicidal and feeding deterrent activity of crude plant extracts on Pomacea maculata perry. Current Research Journal of Biological Sciences, 2. pp. 6-12. ISSN 2041-076X; ESSN: 2041-0778

Zainuddin, Noorul Jannah and Ashari, Siti Efliza and Salim, Norazlinaliza and Asib, Norhayu and Omar, Dzolkhifli and Lian, Gwendoline Ee Cheng (2019) Optimization and characterization of palm oil-based nanoemulsion loaded with parthenium hysterophorus crude extract for natural herbicide formulation. Journal of Oleo Science, 68 (8). 747 -757. ISSN 1347-3352; ESSN: 1345-8957

Ruslan, Siti Aisyah and Muharam, Farrah Melissa and Zulkafli, Zed and Omar, Dzolkhifli and Zambri, Muhammad Pilus (2019) Using satellite-measured relative humidity for prediction of Metisa plana’s population in oil palm plantations: a comparative assessment of regression and artificial neural network models. PLoS One, 14 (10). pp. 1-15. ISSN 1932-6203

Abdullahi, Gambo and Muhamad Awang, Rita and Omar, Dzolkhifli and Sinniah, Uma Rani (2018) Damage potential of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) on cocoa beans: effect of initial adult population density and post infestation storage time. Journal of Stored Products Research, 75. pp. 1-9. ISSN 0022-474X

Lee, Kai Wei and Omar, Dzolkhifli and Ee, Gwendoline Cheng Lian and Nasehi, Abbas and Wong, Mui Yun (2018) Characterization of phenazine and phenazine-1-carboxylic acid isolated from Pseudomonas aeruginosa UPMP3 and their antifungal activities against Ganoderma boninense. Pertanika Journal of Tropical Agricultural Science, 41 (4). pp. 1795-1809. ISSN 1511-3701; ESSN: 2231-8542

Asib, Norhayu and Omar, Dzolkhifli (2018) Genetic-relatedness of Tuba plants from Peninsular Malaysia and quantitative analysis of their rotenone. International Journal of Botany, 14 (1). 36 - 42. ISSN 1811-9700; ESSN: 1811-9719

Ruslan, Siti Aisyah and Muharam, Farrah Melissa and Omar, Dzolkhifli and Zulkafli, Zed Diyana and Zambri, Muhammad Pilus (2018) Remotely sensed relative humidity for predicting Metisa plana's population oil palm plantations. In: 39th Asian Conference on Remote Sensing (ACRS 2018), 15-19 Oct. 2018, Renaissance Kuala Lumpur Hotel, Malaysia. (pp. 745-752).

Mohammed, Ragaa and Elhadaa, Elbashier and Muhamad Awang, Rita and Omar, Dzolkhifli and Sinniah, Uma Rani and Grozescu, Ionel Vaieriu (2017) Effect of solar heater boxes and constant temperatures on Mortality and developmental stages of C. maculatus. IOSR Journal of Agriculture and Veterinary Science, 10 (3). 33 - 38. ISSN 2319-2372; ESSN: 2319-2380

M. E. Elhadaa, Ragaa and Muhamad Awang, Rita and Omar, Dzolkhifli and Sinniah, Uma Rani and Grozescu, Ionel Vaieriu (2017) Effect of solar heater boxes on seed quality of adzuki bean (Vigna angularis). IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS), 10 (3 ver. 1). 39 - 48. ISSN 2319-2372; ESSN: 2319-2380

Elbashier Elhadaa, Ragaa Mohammed and Muhamad Awang, Rita and Omar, Dzolkhifli and Sinniah, Uma Rani and Grozescu, Ionel Valeriu (2017) Selection and evaluation of materials for solar heater boxes and their capacity in trapping solar energy. IOSR Journal of Agriculture and Veterinary Science, 10 (3). pp. 25-32. ISSN 2319-2372; ESSN: 2319-2380

Ahmed, Hassan and Juraimi, Abdul Shukor and Ahmad Hamdani, Muhammad Saiful and Yusop, Mohd Rafii and Farzad, Aslani and Omar, Dzolkhifli (2017) Comparative phytotoxic effects of aerial and root aqueous extracts of Sida Cordifolia L. on germination and seedling vigour performance of Lettuce, tomato and carrot. Bangladesh Journal of Botany, 46 (1). 323 - 328. ISSN 0253-5416; ESSN: 2079-9926

Abdullahi, Gambo and Muhamad Awang, Rita and Omar, Dzolkhifli and Sinniah, Uma Rani (2017) Disinfestation of cocoa beans infested with life stages of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) using solar heat trapped in a cardboard solar heater box. Journal of Entomology and Zoology Studies, 5 (6). 226 - 233. ISSN 2349-6800; ESSN: 2320-7078

Mohd Salleh, Fariq Fitri and Muhamad, Halimah and Omar, Dzolkhifli and Asib, Norhayu (2017) A rapid liquid chromatography method for determination of gylphosate in crude palm oil with fluorescence detection. Journal of Chromatography & Separation Techiniques, 8 (1). pp. 1-6. ISSN 2157-7064

Karami, Ali and Omar, Dzolkhifli and Lazorchak, James M. and Chee, Kong Yap and Hashim, Zailina and Courtenay, Simon C. (2016) A comparison of biomarker responses in juvenile diploid and triploid African catfish, Clarias gariepinus, exposed to the pesticide butachlor. Environmental Research, 151. pp. 313-320. ISSN 0013-9351; ESSN: 1096-0953

Islam, Md. Touhidul and A. K. M., Azad Shah and Omar, Dzolkhifli and Hasan, Md. Fakrul (2016) Virulence of entomopathogenic fungus, metarhizium anisopliae to sweetpotato whitefly, bemisia tabaci (hemiptera: aleyrodidae) under osmotic stress. Proceedings of the National Academy of Sciences, India. Section B: Biological Sciences, 86 (3). pp. 617-622. ISSN 0369-8211; EISSN: 2250-1746

Abusabbah, Mohammed and Lau, Wei Hong and Mahmoud, Mohammed E. E. and M. Salih, Ashraf and Omar, Dzolkhifli (2016) Effect of diet on the quality and quantity of venom produced by Apis cerana. European Journal of Scientific Research, 139 (4). pp. 387-394. ISSN 1450-216X; ESSN: 1450-202X

Salim, Hasber and Mohd Noor, Hafidzi and Tajudin, Rosnida and Hamid, Noor Hisham and Omar, Dzolkhifli and Kasim, Azhar and Zainal Abidin, Cik Mohd Rizuan (2016) Effects of rodenticide on growth of nestling barn owl, Tyto alba javanica in oil palm plantations. Journal of Oil Palm Research, 28 (1). pp. 16-25. ISSN 1511-2780

Syed Ab Rahman, Sharifah Farhana and Sijam, Kamaruzaman and Omar, Dzolkhifli (2016) Antibacterial activity of the crude extract of Piper Sarmentosum against Pseudomonas Fuscovaginae. International Journal of Applied Biology and Pharmaceutical Technology, 7 (1). pp. 67-72. ISSN 0976-4550

Aslani, Farzad and Juraimi, Abdul Shukor and Ahmad Hamdani, Muhammad Saiful and Hashemi, Farahnaz Sadat Golestan and Alam, Md Amirul and Omar, Dzolkhifli and Md. Kamal Uddin, and Md. Abdul Hakim, (2016) Variation in the phytotoxic activity of Tinospora tuberculata extracts as influenced by solvent type and chemical profile. Current Science, 110 (2). pp. 228-234. ISSN 0011-3891

Abu Baka, Halimatunsadiah and Mazlan, Norida and Omar, Dzolkhifli and Kamarulzaman, Nitty Hirawaty (2016) Application of pesticide in pest management: the case of lowland vegetable growers. International Food Research Journal, 23 (1). pp. 85-94. ISSN 1985-4668; ESSN: 2231-7546

How, Vivien and Hashim, Zailina and Ismail, Patimah and Omar, Dzolkhifli and Md Said, Salmiah (2016) Assessing the genotoxic damage among farming community: identifying and prioritizing the associated risk factors. Asia Pacific Environmental and Occupational Health Journal, 2 (2). pp. 1-7. ISSN 2462-2214

Nahi, A. and Othman, Radziah and Omar, Dzolkhifli (2016) Effects of Sb16 bacterial strain and herbicides on endophytic bacterial populations and growth of aerobic rice. Plant Soil and Environment, 62 (10). pp. 453-459. ISSN 1214-1178; ESSN: 1805-9368

Nahi, Armita and Othman, Radziah and Omar, Dzolkhifli and Ebrahimi, Mahdi (2016) Effects of selected herbicides on growth and nitrogen fixing activity of Stenotrophomonas maltophilia (sb16). Polish Journal of Microbiology, 65 (3). pp. 377-382. ISSN 1733-1331

Ahmed Gilal, Arfan and Muhamad Awang, Rita and Omar, Dzolkhifli and Abdul Aziz, Nor Azwady and Gnanasegaram, Manjeri (2016) Foes can be friends: laboratory trials on invasive apple snails, Pomacea spp. preference to invasive weed, Limnocharis flava (L.) Buchenau compared to rice, Oryza sativa L. Pakistan Journal of Zoology, 48 (3). pp. 673-679. ISSN 0030-9923

Syed Ab Rahman, Sharifah Farhana and Sijam, Kamaruzaman and Omar, Dzolkhifli and Abd Wahab, Mohd Zafri (2016) Identification of phenolic compounds and evaluation of antibacterial properties of Piper sarmentosum Roxb. against rice pathogenic bacteria. Malaysian Journal of Microbiology, 12 (spec.6). pp. 475-484. ISSN 1823-8262; ESSN: 2231-7538

Ahmed, Agha Mushtaque and Muhamad Awang, Rita and Omar, Dzolkhifli and Majid, Dayang Laila and Gnanasegaram, Manjeri (2016) Influence of male age on producing rival calls in brown planthopper Nilaparvata lugens Stál (Homoptera: Delphacidae). Journal of Entomology and Zoology Studies, 4 (3 (pt. C)). pp. 163-166. ISSN 2349-6800; ESSN: 2320-7078

Syed Ab Rahman, Sharifah Farhana and Sijam, Kamaruzaman and Omar, Dzolkhifli (2016) Piper sarmentosum Roxb.: a mini review of ethnobotany, phytochemistry and pharmacology. Journal of Analytical & Pharmaceutical Research, 2 (5). pp. 11-12. ISSN 2473-0831

Gilal, Arfan Ahmed and Muhamad Awang, Rita and Omar, Dzolkhifli and Abd Aziz, Nor Azwady and Gnanasegaram, Manjeri (2016) Population fluctuation and dispersion patterns of apple snails, Pomacea spp. (Gastropoda: Ampullariidae) in a rice ecosystem. Pertanika Journal of Tropical Agricultural Science, 39 (3). pp. 343-357. ISSN 1511-3701; ESSN: 2231-8542

Omar, Hazreen and Zubairi, Saiful Irwan and Fadhilah, Mohd Faizulhelmi and Omar, Dzolkhifli and Asib, Norhayu (2016) Preparation and physicochemical evaluation of emulsified virgin coconut oil (VCO)-Carica papaya extract concoction using Tween80. In: 2016 UKM FST Postgraduate Colloquium, 13-14 Apr. 2016, Faculty of Science and Technology, Universiti Kebangsaan Malaysia. (pp. 1-7).

Abusabbah, Mohammed and Lau, Wei Hong and Mahmoud, Mohammed E. E. and Salih, Ashraf M. and Omar, Dzolkhifli (2016) Prospects using carbohydrates a ssupplemented-diests and protein rich mixture as alrenative-diet to improve the quality of venom produced by Apis cerana L. Journal of Entomology and Zoology Studies, 4 (3 ). pp. 23-26. ISSN 2349-6800; ESSN: 2320-7078

Aslani, Farzad and Juraimi, Abdul Shukor and Ahmad Hamdani, Muhammad Saiful and Hashemi, Farahnaz Sadat Golestan and Alam, Md. Amirul and Omar, Dzolkhifli and Uddin, Md. Kamal and Hakim, Md. Abdul (2016) Variation in the phytotoxic activity of Tinospora tuberculata extracts as influenced by solvent type and chemical profile. Current Science, 110 (2). pp. 228-234. ISSN 0011-3891

Aslani, Farzad and Juraimi, Abdul Shukor and Ahmad Hamdani, Muhammad Saiful and Mondal, Mohd Monjurul Alam and Golestan Hashemi, Farahnaz Sadat and Omar, Dzolkhifli and Hakim, M. A. (2015) Phytotoxic interference of volatile organic compounds and water extracts of Tinospora tuberculata Beumee on growth of weeds in rice fields. South African Journal of Botany, 100. pp. 132-140. ISSN 0254-6299; ESSN: 1727-9321

Shadmany, Mohammad and Omar, Dzolkhifli and Muhamad Awang, Rita (2015) Biotype and insecticide resistance status of Bemisia tabaci populations from Peninsular Malaysia. Journal of Applied Entomology, 139 (1-2). pp. 67-75. ISSN 0931-2048; ESSN: 1439-0418

How, Vivien and Hashim, Zailina and Ismail, Patimah and Omar, Dzolkhifli and Md Said, Salmiah and Mohd Tamrin, Shamsul Bahri (2015) Characterization of risk factors for DNA damage among paddy farm worker exposed to mixtures of organophosphates. Archives of Environmental & Occupational Health, 70 (2). pp. 102-109. ISSN 1933-8244; ESSN: 2154-4700

Ahmad, Khairulmazmi and Sijam, Kamaruzaman and Muhamad, Rita and Omar, Dzolkhifli (2015) Citrus Huanglongbing disease: disease symptoms Biology of candidatus liberibacter asiaticus vector and disease management. Universiti Putra Malaysia Press, Serdang, Selangor. ISBN 9789673444755

Abu Baka, Halimatunsadiah and Mazlan, Norida and Omar, Dzolkhifli and Kamarulzaman, Nitty Hirawaty (2015) Influence of contract farming system on farmers' pest management practices: the case of vegetable growers in Malaysia. In: 3rd International Symposium on Applied Engineering and Sciences (SAES2015), 23-24 Nov. 2015, Universiti Putra Malaysia. (pp. 312-314).

Omar, Dzolkhifli and Lau, Wei Hong and Mahgoub, Montasir Omer (2015) Observations on the biology and larval instars discrimination of wax moth Achroia grisella F. (Pyralidae: Lepidoptera). Journal of Entomology, 12 (1). pp. 1-11. ISSN 1812-5689; ESSN: 1812-5670

How, Vivien and Hashim, Zailina and Ismail, Patimah and Omar, Dzolkhifli and Mohd Tamrin, Shamsul Bahri and Md Said, Salmiah (2015) Review of genotoxic effects for pesticides exposure among rural community in a farming village. British Journal of Medicine & Medical Research, 10 (2). pp. 1-7. ISSN 2231-0614

Salim, Hasber and Mohd Noor, Hafidzi and Hamid, Noor Hisham and Omar, Dzolkhifli and Kasim, Azhar and Zainal Abidin, Cik Mohd Rizuan (2015) The effects of rodenticide residues deposited in eggs of Tyto alba to eggshell thickness. Sains Malaysiana, 44 (4). pp. 559-564. ISSN 0026-6039

Salim, Hasber and Mohd Noor, Hafidzi and Omar, Dzolkhifli and Hamid, Noor Hisham and Zainal Abidin, Mohd Rizuan and Kasim, Azhar and Md Rawi, Che Salmah and Ahmad, Abu Hassan (2014) Sub-lethal effects of the anticoagulant rodenticides bromadiolone and chlorophacinone on breeding performances of the barn owl (Tyto alba) in oil palm plantations. Slovak Raptor Journal, 8 (2). pp. 113-122. ISSN 1338-7227

Islam, Md. Touhidul and Omar , Dzolkhifli and Shabanimofrad, Mahmoodreza (2014) Molecular identification and virulence of six isolates of Metarhizium anisopliae (Deuteromycotina: Hyphomycetes) to Bemisia tabaci Q biotype. Journal of Asia-Pacific Entomology, 17 (3). pp. 237-241. ISSN 1876-7990; ESSN: 1226-8615

Morshed, Md. Mahbub and Mohamad, Rosli and Abdul Wahed, Samsuri and Omar, Dzolkhifli (2014) Airborne chlorpyrifos residues during pre- and post-spraying hours of application in rice fields of Malaysia. Journal of Food, Agriculture and Environment, 12 (2). pp. 1191-1196. ISSN 1459-0255; ESSN: 1459-0263

Aslani, Farzad and Juraimi, Abdul Shukor and Ahmad Hamdani, Muhammad Saiful and Omar, Dzolkhifli and Alam, Md Amirul and Hashemi, Farahnaz Sadat Golestan and Hakim, Md Abdul and Uddin, Md. Kamal (2014) Allelopathic effect of methanol extracts from Tinospora tuberculata on selected crops and rice weeds. Acta Agriculturae Scandinavica, Section B — Soil & Plant Science, 64 (2). pp. 165-177. ISSN 0906-4710; ESSN: 1651-1913

Syed Ab Rahman, Sharifah Farhana and Sijam, Kamaruzaman and Omar, Dzolkhifli (2014) Chemical composition of Piper sarmentosum extracts and antibacterial activity against the plant pathogenic bacteria Pseudomonas fuscovaginae and Xanthomonas oryzae pv. oryzae. Journal of Plant Diseases and Protection, 121. pp. 237-242. ISSN 1861-3829; ESSN: 1861-3837

Arfan, A. G. and Muhamad Awang, Rita and Omar, Dzolkhifli and Abd Aziz, Nor Azwady and Manjeri, G. (2014) Distribution of two Pomacea spp. in rice fields of Peninsular Malaysia. Annual Research and Review in Biology, 4 (24). pp. 4123-4136. ISSN 2347-565X

Chai, Ivy Ching Hsia and Islam, Md. Touhidul and Ibrahim, Yusof and Tan, Yee How and Omar, Dzolkhifli (2014) Evaluation of conidial viability of entomopathogenic fungi as influenced by temperature and additive. International Journal of Agriculture and Biology, 16 (1). pp. 146-152. ISSN 1560-8530; ESSN: 1814-9596

How, Vivien and Hashim, Zailina and Ismail, Patimah and Md Said, Salmiah and Omar, Dzolkhifli and Mohd Tamrin, Shamsul Bahri (2014) Exploring cancer development in adulthood: cholinesterase depression and genotoxic effect from chronic exposure to organophosphate pesticides among rural farm children. Journal of Agromedicine, 19 (1). pp. 35-43. ISSN 1059-924X; ESSN: 1545-0813

Syed Ab Rahman, Sharifah Farhana and Sijam, Kamaruzaman and Omar, Dzolkhifli (2014) Identification and antibacterial activity of phenolic compounds in crude extracts of Piper sarmentosum (Kadok). Journal of Pure and Applied Microbiology, 8 (spec.). pp. 483-490. ISSN 0973-7510

Sajap, Ahmad Said and Zahari, Rozihawati and Omar, Dzolkhifli and Lau, Wei Hong (2014) Isaria fumosorosea and Metarhizium anisopliae for controlling Atteva sciodoxa (Lepidoptera: Yponomeutidae), a pest of Eurycoma longifolia. Journal of Tropical Forest Science, 26 (1). pp. 84-91. ISSN 0128-1283

Sule, Hassan and Muhamad Awang, Rita and Omar, Dzolkhifli and Hee, Alvin Kah Wei (2014) Parasitism rate, host stage preference and functional response of Tamarixia radiata on Diaphorina citri. International Journal of Agriculture and Biology, 16 (4). pp. 783-788. ISSN 1560–8530; ESSN: 1814–9596

Awang, Noor Asma’a and Islam, Md Robiul and Ismail, Mohd Razi and Berahim, Zulkarami and Omar, Dzolkhifli (2013) Effectiveness of different elicitors in inducing resistance in chilli (Capsicum annuum L.) against pathogen infection. Scientia Horticulturae, 164. pp. 461-465. ISSN 0304-4238

Dzolkhifli Omar (2013) Oil based nano-emulsion formulation of azadiracthin for biopesticide. PI2013701332.

Haron, Farah Farhanah and Sijam, Kamaruzaman and Omar, Dzolkhifli and Rahmani, Mawardi (2013) Chemical composition and screening for antifungal activity of Allamanda spp. (Apocynaceae) crude extracts against Colletotrichum gloeosporioides, causal agent of anthracnose in papaya. Australian Journal of Basic and Applied Sciences, 7 (1). pp. 88-96. ISSN 1991-8178

Lim, Chaw Jiang and Basri, Mahiran and Omar, Dzolkhifli and Abdul Rahman, Mohd Basyaruddin and Salleh, Abu Bakar and Raja Abdul Rahman, Raja Noor Zaliha (2013) Green nanoemulsion-laden glyphosate isopropylamine formulation in suppressing creeping foxglove (A. gangetica), slender button weed (D. ocimifolia) and buffalo grass (P. conjugatum). Pest Management Science, 69 (1). pp. 104-111. ISSN 1526-498X; ESSN: 1526-4998

Sule, Hassan and Muhamad Awang, Rita and Omar, Dzolkhifli and Yusuf, Faridah and Gnanasegaram, Manjeri (2013) Alien invasion. In: Nature's Yield and Wonders of Art (NYAWA)13: Insects. Universiti Putra Malaysia, Serdang, Selangor, pp. 36-37. ISBN 9789679603484

Aslani, Farzad and Juraimi, Abdul Shukor and Ahmad Hamdani, Muhammad Saiful and Omar, Dzolkhifli and Alam, Md Amirul and Hakim, Md Abdul and Uddin, Md Kamal (2013) Allelopathic effects of Batawali (Tinospora tuberculata) on germination and seedling growth of plants. Research on Crops, 14 (4). pp. 1222-1231. ISSN 0972-3226; ESSN: 2348-7542

Haron, Farah Farhanah and Sijam, Kamaruzaman and Omar, Dzolkhifli and Rahmani, Mawardi (2013) Bioassay-guided isolation of antifungal plumericin from Allamanda species (Apocynaceae). Journal of Biological Sciences, 13 (3). pp. 158-162. ISSN 1727-3048; ESSN: 1812-5719

How, Vivien and Hashim, Zailina and Ismail, Patimah and Md Said, Salmiah and Omar, Dzolkhifli and Mohd Tamrin, Shamsul Bahri (2013) Biological monitoring of genotoxicity to organophosphate pesticide exposure among rice farmers: exposure-effect continuum study. Journal of Occupational Health and Epidemiology, 2 (1-2). pp. 27-36. ISSN 2251-8096; ESSN: 2252-0902

Sidi, Mogeret and Islam, Md. Touhidul and Ibrahim, Yusof and Omar, Dzolkhifli (2013) Effect of azadirachtin and rotenone on Trichogramma papilionis (Hymenoptera: Trichogrammatidae). Journal of Food, Agriculture and Environment, 11 (2). pp. 1509-1513. ISSN 1459-0255; ESSN: 1459-0263

Wan Jaafar, Wan Norazwani and Mazlan, Norida and Adam, Nur Azura and Omar, Dzolkhifli (2013) Evaluation on the effects of insecticides on biodiversity of arthropod in rice ecosystem. Acta Biologica Malaysiana, 2 (3). pp. 115-123. ISSN 2232-1675

Farashiani, Mohammad Ebrahim and Muhamad Awang, Rita and Sefidkon, Fatemeh and Omar, Dzolkhifli and Assareh, Mohammad Hassan and Rahmani, Mawardi (2013) Extraction methods effects on composition and toxicity of Eucalyptus essential oil. Life Science Journal, 10 (4). pp. 2401-2405. ISSN 1097-8135; ESSN: 2372-613X

Saeidi, Karim and Adam, Nur Azura and Omar, Dzolkhifli and Abood, Faizah (2013) Population dynamic of the safflower fly, Acanthiophilus helianthi Rossi (diptera: tephritidae) in Gachsaran Region, Iran. Entomology, Ornithology & Herpetology, 2 (1). art. no. 103. pp. 1-4. ISSN 2161-0983

Elbashier Elhada, Ragaa Mohammed and Muhamad Awang, Rita and Grozescu, Ionel Valeriu and Omar, Dzolkhifli and Sinniah, Uma Rani and Gnanasegaram, Manjeri (2013) Solar heater box. In: Nature's Yield and Wonders of Art (NYAWA)13: Insects. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 106-107. ISBN 9789679603484

Khani, Mousa and Muhamad Awang, Rita and Omar, Dzolkhifli and Rahmani, Mawardi (2013) Toxicity, antifeedant, egg hatchability and adult emergence effect of Piper nigrum L. and Jatropha curcas L. extracts against rice moth, Corcyra cephalonica (Stainton). Journal of Medicinal Plants Research, 7 (18). pp. 1255-1262. ISSN 1996-0875

Lim, Chaw Jiang and Basri, Mahiran and Omar, Dzolkhifli and Abdul Rahman, Mohd Basyaruddin and Salleh, Abu Bakar and Raja Abdul Rahman, Raja Noor Zaliha (2012) Phase behaviour of nonionic surfactants in new palm oil esters-based emulsion for glyphosate isopropylamine formulation. Asian Journal of Chemistry, 24 (10). pp. 4601-4605. ISSN 0970-7077; ESSN: 0975-427X

Dzolkhifli Omar (2012) Insecticide microemulsion formulation. PI2012001817.

Mazlan, Norida and Omar, Dzolkhifli and Mohamad, R. B. (2012) Bioefficacy of controlled release formulations of diuron on Brassica rapa. Pertanika Journal of Tropical Agricultural Science, 35 (S). pp. 71-78. ISSN 1511-3701; ESSN: 2231-8542

Fardin, Sadegh-Zadeh and Abd. Wahid, Samsuri and Othman, Radziah and Omar, Dzolkhifli and Seh-Bardan, Bahi Jalili (2012) Degradation and leaching of Napropamide in BRIS soil amended with chicken dung and palm oil mill effluent. CLEAN - Soil, Air, Water, 40 (6). pp. 599-606. ISSN 1863-0605; ESSN:1863-0669

Sule, Hassan and Muhamad, Rita and Omar, Dzolkhifli and Hee, Alvin Kah Wei and Chik, Zazali (2012) Dispersion pattern and sampling of Diaphorina citri Kuwayama (Hemiptera:Psylidae) populations on Citrus suhuiensis hort. ex tanaka in Padang Ipoh Terengganu, Malaysia. Pertanika Journal of Tropical Agricultural Science, 35 (S). pp. 25-36. ISSN 1511-3701; ESSN: 2231-8542

Sadegh-Zadeh, Fardin and Abd. Wahid, Samsuri and Seh-Bardan, Bahi J. and Othman, Radziah and Omar, Dzolkhifli (2012) Fate of napropamide herbicide in selected Malaysian soils. Journal of Environmental Science and Health - Part B, 47 (2). pp. 144-151. ISSN 0360-1234; ESSN: 1532-4109

Lim, Chaw Jiang and Basri, Mahiran and Omar, Dzolkhifli and Abdul Rahman, Mohd Basyaruddin and Salleh, Abu Bakar and Raja Abdul Rahman, Raja Noor Zaliha and Selamat, Ahmad (2012) Green nano-emulsion intervention for water-soluble glyphosate isopropylamine (IPA) formulations in controlling Eleusine indica (E. indica). Pesticide Biochemistry and Physiology, 102 (1). pp. 19-29. ISSN 0048-3575; ESSN: 1095-9939

Lim, Chaw Jiang and Basri, Mahiran and Omar, Dzolkhifli and Abdul Rahman, Mohd Basyaruddin and Salleh, Abu Bakar and Raja Abdul Rahman, Raja Noor Zaliha (2012) Physicochemical characterization and formation of glyphosate-laden nano-emulsion for herbicide formulation. Industrial Crops and Products, 36 (1). pp. 607-613. ISSN 0926-6690; ESSN: 1872-633X

Sule, Hassan and Muhamad Awang, Rita and Omar, Dzolkhifli and Hee, Alvin Kah Wei (2012) Response of Diaphorina citri Kuwayama (Hemiptera:Psyllidae) to volatile emmitted from leaves of two Rutaceous plants. Journal of Agricultural Science, 4 (6). pp. 152-159. ISSN 1916-9760

Kamaruzaman Sijam (2011) A fungicide composition. PI2011004439.

Morshed, Md. Mahbub and Omar, Dzolkhifli and Mohamad, Rosli and Abd. Wahid, Samsuri (2011) Determination of glyphosate through passive and active sampling methods in a treated field atmosphere. African Journal of Agricultural Research, 6 (17). art. no. 5E1CA0830651. pp. 4010-4018. ISSN 1991-637X

Lim, Chaw Jiang and Basri, Mahiran and Omar, Dzolkhifli and Abdul Rahman, Mohd Basyaruddin and Salleh, Abu Bakar and Raja Abdul Rahman, Raja Noor Zaliha (2011) Physicochemical characterization of nonionic surfactants in oil-in-water (O/W) nano-emulsions for new pesticide formulations. International Journal of Applied Science and Technology, 1 (5). pp. 131-142. ISSN 2221-0997; ESSN: 2221-1004

Fan, Siew Loh and Muhamad Awang, Rita and Omar, Dzolkhifli and Rahmani, Mawardi (2011) Insecticidal properties of citrus hystrix DC leaves essential oil against spodoptera litura fabricius. Journal of Medicinal Plants Research, 5 (16). pp. 3739-3744. ISSN 1996-0875

Zadeh, Fardin Sadegh and Abd. Wahid, Samsuri and Omar, Dzolkhifli and Othman, Radziah and Bardan, Bahi Jalili Seh (2011) Sorption and desorption of napropamide in sandy soil amended with chicken dung and palm oil mill effluent. Soil and Sediment Contamination, 20 (4). pp. 387-399. ISSN 1532-0383; ESSN: 1549-7887

Lim, Chaw Jiang and Basri, Mahiran and Omar, Dzolkhifli and Abdul Rahman, Mohd Basyaruddin and Salleh, Abu Bakar and Raja Abdul Rahman, Raja Noor Zaliha (2011) Self-assembly behaviour of alkylpolyglucosides (APG) in mixed surfactant-stabilized emulsions system. Journal of Molecular Liquids, 158 (3). pp. 175-181. ISSN 0167-7322; ESSN: 1873-3166

Sadegh-Zadeh, Fardin and Abd. Wahid, Samsuri and Omar, Dzolkhifli and Othman, Radziah and Seh-Bardan , B.J. and Sajudi, N.A. (2011) Comparison between UV-spectrophotometry and HPLC methods to determine napropamide concentration in soil sorption experiment. International Journal of Soil Science, 6 (3). pp. 199-208. ISSN 1816-4978

Saeidi, Karim and Adam, Nur Azura and Omar, Dzolkhifli (2011) Comparison of different methods to control fruit fly Acanthiophilus helianthi Rossi (Diptera: Tephritidae) in Iran. Australian Journal of Basic and Applied Sciences, 5 (7). pp. 1162-1165. ISSN 1991-8178

M.R., Che Salmah and Omar, Dzolkhifli and Aliakbarpour, H. (2011) Effecacy of neem oil against thrips (Thysanoptera) on manggo panicles and its compatibility with manggo pollinators. Journal of Pest Science , 84 (4). pp. 503-512. ISSN 1612-4758; ESSN:1612-4766

Adam , Nur Azura and Abood, Faizah and Omar, Dzolkhifli and K., Saeidi (2011) Efficacy of Various Insecticides on Safflower fly, Acanthiophilus helianthi Rossi (Diptera: Tephritidae) in Kohgiloyeh and Boyerahmad Province (Iran). Australian Journal of Basic and Applied Sciences, 5 (12). pp. 2660-2664. ISSN 1991-8178

Fan, Siew Loh and Muhamad Awang, Rita and Omar, Dzolkhifli and Rahmani, Mawardi (2011) Insecticidal properties of Piper nigrum fruits extracts and essential oils against Spodoptera litura. International Journal of Agriculture and Biology, 13 (4). pp. 517-522. ISSN 1560-8530; ESSN:1814-9596

Ngah, Noryati and Omar, Dzolkhifli and Juraimi, Abdul Shukor and Sajili, Mohammad Hailmi (2011) Leaf surface characteristics of selected Malaysian weed species of oil palm. Journal of Agobiotechnology, 2 (1). pp. 53-65. ISSN 1985-5133

K., Saeide and Adam, Nur Azura and Omar, Dzolkhifli and Abood, Faizah (2011) Pests of safflower (Carthamus tinctorious l.) and their natural enemies in Gachsara, Iran. South Asian Journal of Experimental Biology, 1 (6). pp. 286-291. ISSN 2230-9799

Morshed, Md. Mahbub and Omar, Dzolkhifli and Mohamad, Rosli and Abd. Wahid, Samsuri and Islam, Md. Touhidul (2011) Sampling and analysis of chlorpyrifos airborne residue emitted under treated field conditions. Journal of Environmental Protection and Ecology, 12 (2). pp. 447-456. ISSN 1311-5065

Saeidi, Karim and Adam, Nur Azura and Omar, Dzolkhifli and Abood, Faizah (2011) Study of some biological aspects and development of integrated pest management program for the safflower fly, Acanthiophilus helianthi Rossi (Diptera: Tephritidae) in Iran. Journal of Research in Agricultural Science, 7 (1). pp. 1-16. ISSN 1735-8884

Alasady, Mohammed Abid Ali and Omar, Dzolkhifli and Ibrahim, Rohani and Ibrahim, Yusof (2011) The survey of green lacewings and occurance of Apertochrysa sp. (Neuroptera: Chrysopidae) on various plants in Malaysia. Journal of Entomology, 8 (3). pp. 240-249. ISSN 1812-5670; ESSN:1812-5689

Mahiran Basri (2010) A pesticide composition. UNSPECIFIED.

Morshed, Md. Mahbud and Omar, Dzolkhifli and Mohamad, Rosli and Abd. Wahid, Samsuri and M. A. Rahman, (2010) Airborne paraquat measurement and its exposure to spray operators in treated field environment. International Journal of Agriculture and Biology, 12 (5). pp. 679-684. ISSN 1560-8530; ESSN: 1814–9596

Aghasil, Majid and Hashim, Zailina and Mehrabani, Mitra and Omar, Dzolkhifli and Moin, Saidi (2010) Assessment of inhalation exposure to Amitraz among pesticide sprayers in Zangiabad, Iran. World Applied Sciences Journal, 9 (3). pp. 268-274. ISSN 1818-4952; ESSN: 1991-6426

Wibawa, Wahyu and Mohamad, Rosli and Omar, Dzolkhifli and Mohd. Zain, Nurmasirah and Puteh, Adam and Awang, Yahya (2010) Comparative impact of a single application of selected broad spectrum herbicides on ecological components of oil palm plantation. African Journal of Agricultural Research, 5 (16). art. no. 57D6E9539511. pp. 2097-2102. ISSN 1991-637X

Cheong, Yew Loong and Sajap, Ahmad Said and Mohd Noor, Hafidzi and Omar, Dzolkhifli and Abood, Faizah (2010) Demography of the bagworm, Pteroma pendula Joannis on an exotic tree, Acacia mangium Willd in Malaysia. The Malaysian Forester, 73 (1). pp. 77-85. ISSN 0302-2935

Wibawa, Wahyu and Mohayidin, Mohd Ghazali and Mohamad, Rosli and Juraimi, Abdul Shukor and Omar, Dzolkhifli (2010) Efficacy and cost-effectiveness of three broad-spectrum herbicides to control weeds in immature oil palm plantation. Pertanika Journal of Tropical Agricultural Science, 33 (2). pp. 233-241. ISSN 1511-3701

Alasady, Mohammed Abid Ali and Omar, Dzolkhifli and Ibrahim, Yusof and Ibrahim, Rohani (2010) Life Table of the Green Lacewing Apertochrysa sp. (Neuroptera:Chrysopidae) Reared on Rice Moth Corcyra cephalonica(Lepidoptera: Pyralidae). International Journal of Agriculture and Biology, 12 (2). pp. 266-270. ISSN 1814–9596

Dezianian, Ahmed and Sajap, Ahmad Said and Lau, Wei Hong and Omar, Dzolkhifli and Abdul Kadir, Hussan and Mohamed, Rozi and Mat Yusoh, Mohamed Rani (2010) Morphological characteristics of P. xylostella granulovirus and effects on its larval host diamondback moth Plutella xylostella L. (Lepidoptera, Plutellidae). American Journal of Agricultural and Biological Sciences, 5 (1). pp. 43-49. ISSN 1557-4989; ESSN: 1557-4997

Cheong, Y. L. and Sajap, Ahmad Said and Mohd Noor, Hafidzi and Omar, Dzolkhifli and Abood Haris, Faizah (2010) Outbreaks of Bagworms and their Natural Enemies in an Oil Palm, Elaeis Guineensis, Plantation at Hutan Melintang, Perak, Malaysia. Journal of Entomology, 7 (3). pp. 141-151. ISSN 1812-5689

Rahman, Mohammad Arifur and Omar, Dzolkhifli and Sarker, Md. Zaidul Islam and Morshed, Md. Mahbub and Rashid, K. N. H. (2010) Supercritical carbondioxide extraction of cypermethrin in different fresh vegetables using anhydrous sodium sulfate for sample preparation and extraction. African Journal of Biotechnology, 9 (15). art. no. F4262EA20532. pp. 2290-2297. ISSN 1684–5315

Rahman, Mohammad Arifur and Omar, Dzolkhifli and Sarker, Md. Zaidul Islam and Morshed, Md. Mahbub and Rashid, K. N. H. (2010) Supercritical fluid extraction and quantification of chlorpyrifos insecticides in fresh vegetables by gas chromatography with electron capture detection (GC-ECD). Agriculture and Biology Journal of North America, 1 (4). pp. 548-555. ISSN 2151-7517; ESSN: 2151-7525

Khani, Mousa and Muhamad Awang, Rita and Omar, Dzolkhifli and Rahmani, Mawardi and Rezazadeh, Shamsali (2010) Tropical Medicinal Plant Extracts Against Rice Weevil, Sitophilus oryzae L. Journal of Medicinal Plants Research, 5 (2). pp. 259-265. ISSN 1996-0875

Wibawa, Wahyu and Mohamad, Rosli and Puteh, Adam and Omar, Dzolkhifli and Juraimi, Abdul Shukor and Abdullah, Sheikh Awadz (2009) Residual Phytotoxicity Effects of Paraquat, Glyphosate and Glufosinate-Ammonium Herbicides in Soils from Field-Treated Plots. International Journal of Agriculture and Biology, 11 (2). pp. 214-216. ISSN 1560-8530

Mohamad, Rosli and Juraimi, Abdul Shukor and Omar, Dzolkhifli and Wibawa, Wahyu and Mohayidin, Mohd Ghazali and Begum, Mahfuza (2009) Weed control efficacy and short term weed dynamic impact of three nonselective herbicides in immature oil palm plantation. International Journal of Agriculture and Biology, 11 (2). pp. 145-150. ISSN 1560-8530

Siswanto, and Muhamad Awang, Rita and Omar, Dzolkhifli and Elna Karmawati, (2009) The effect of mating on the eggs' fertility and fecundity of Helopeltis antonii (Heteroptera: Miridae). Tropical Life Sciences Research, 20 (1). pp. 89-97. ISSN 1985-3718; ESSN: 2180-4249

Siswanto, and Muhamad Awang, Rita and Omar, Dzolkhifli and Elna Karmawati, (2008) Dispersion pattern of Helopeltis antonii Signoret (Hemiptera: Miridae) on cashew plantation. Indonesian Journal of Agriculture, 1 (2). pp. 103-108. ISSN 1979-4673

Tan, Sek Yee and Ibrahim, Yusof and Omar, Dzolkhifli (2008) Efficacy of Bacillus thuringiensis Berliner subspecies kurstaki and aizawai against the bagworm, Metisa plana walker on oil palm. Journal of Bioscience, 19 (1). pp. 103-114. ISSN 1985-3718; ESSN: 2180-4249

Siswanto, and Muhamad Awang, Rita and Omar, Dzolkhifli and Elna Karmawati, (2008) Life tables and population parameters of Helopeltis antonii (Hemiptera: Miridae) reared on cashew (Anacardium occidentale L.). Journal of Bioscience, 19 (1). pp. 91-101. ISSN 1985-3718; ESSN: 2180-4249

Farahani, G. H. N. and Zakaria, Zuriati and Kuntom, Aini and Omar, Dzolkhifli and Sahid, Ismail (2008) Persistence of carbofuran in two Malaysian soils. Plant Protection Quarterly, 23 (4). pp. 179-183. ISSN 0815-2195

Siswanto, and Muhamad Awang, Rita and Omar, Dzolkhifli and Elna Karmawati, (2008) Population fluctuation of Helopeltis antonii Signoret on cashew Anacarcium occidentalle L., in Java, Indonesia. Pertanika Journal of Tropical Agricultural Science, 31 (2). pp. 191-196. ISSN 1511-3701

Farahani, G. H. N. and Sahid, Ismail and Zakaria, Zuriati and Kuntom, Ainie and Omar, Dzolkhifli (2008) Study on the downward movement of carbofuran in two Malaysian soils. Bulletin of Environmental Contamination and Toxicology, 81 (1). pp. 294-298. ISSN 1432-0800

Omar, Dzolkhifli (2008) The future of pesticides technology in agriculture: maximum target kill with minimum collateral damage. [Inaugural Lecture]

Ibrahim, Yusof and Omar, Dzolkhifli and Abdullah, Mohammad Matthieu (1999) Development of biopesticide for the suppression of cabbage caterpillars. Research Report. The Research Unit, Universiti Putra Malaysia, Serdang, Selangor.

Omar, Dzolkhifli and Mohamad, Rosli (1999) Development of controlled-release formulations of diuron. Research Report. The Research Unit, Universiti Putra Malaysia, Serdang, Selangor.

Omar, Dzolkhifli and Mohamad, Rosli (1999) Influence of spray volumes and nozzles on contamination of spray operator in golf course. Research Report. The Research Unit, Universiti Putra Malaysia, Serdang, Selangor.

Omar, Dzolkhifli and Ibrahim, Yusof and Lok, Chee Ngan (1999) Viability of Paecilomyces fumosoroseus (Wise) conidia stored in palm oil and its derivatives. In: Symposium on Biological Control in the Tropics, 18-19 Mar. 1999, Serdang, Selangor. .

Omar, Dzolkhifli and Mohamad, Rosli (1996) Effect of thiobencarb formulations on freshwater shrimp, macrobrachium lanchesteri (De Man). Pertanika Journal of Tropical Agricultural Science, 19 (2/3). pp. 204-207. ISSN 0126-6128

Omar, Dzolkhifli (1993) Effect of adding mineral oil to the effectiveness of Permethrin Emulsion spray droplets on plutella xylostella larvae. Pertanika Journal of Tropical Agricultural Science, 16 (1). pp. 41-44. ISSN 0126-6128

Ibrahim, Yusof and Omar, Dzolkhifli and Othman, Adnan (1992) Ketoksikan Beberapa Racun Hamama dan Piretroid Timan terhadap Hamama Lelabah Merah, Tetranychus urticae Koch Kompleks. Pertanika, 15 (1). pp. 31-35.

Mohamad, Rosli and Omar, Dzolkhifli (1989) Observation of the effect of thiobencarb herbicide on three species of fresh water fish. In: First FAO/IAEA RCM on Development of Controlled-Release Formulations of Pesticides Utilizing Nuclear Techniques, 4-8 Sep. 1989, Colymbari, Greece. .

Muhamad Awang, Rita and Omar, Dzolkhifli Development of resistance in the mirids Helopeltis theivora waterhouse. Research Report. Research Management Centre, Serdang, Selangor.

Omar, Dzolkhifli Effect of adding oil palm-based surfactants to the effectiveness of glyphosate. Research Report. Research Management Centre, Serdang, Selangor.

Omar, Dzolkhifli Effect of adding pectin to the controlled-release formulation of alachlor and diuron. Research Report. Research Management Centre, Serdang, Selangor.

Omar, Dzolkhifli and Khoo, Khay Chong and Muhamad, Rita Preliminary study of resistance in 4 populations of Helopeltis theobromae Miller (Hemiptera: Miridae) to γ − HCH, Propoxur and Dioxacarb. In: Proceedings of the International Conference on Cocoa and Coconuts: Progress and Outlook, 15-17 Oct. 1984, Kuala Lumpur, Malaysia. .