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Allelopathic effects of Batawali (Tinospora tuberculata) on germination and seedling growth of plants.


Citation

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

Abstract / Synopsis

A study was undertaken to explore the effects of methanol extracts (100,50, 25, 12.5 and 6.25 g/l) from the dried powders of aerial parts of Batawali (Tinospora tuberculata) on emergence and initial growth of rice, radish, lettuce and carrot as represented by germination percentage, radical and hypocotyle length. Results indicated that both stem and leaves of Batawali markedly raised the suppression of germination and primary growth of all examined crops when plants were exposed to increasing the methanol extract concentrations from 6.25to 100 g/l of distilled water. The half-inhibitory concentrations that inhibit germination (ECg50), radicle (ECr50) and hypocotyle (ECh50) growth weredetermined for both the extracts. According to these values, an index (Re) was calculated in order to establish a ranking of the most sensitive plants and most effective extract. It was observed that the leaves extract was more active than the stem extract and caused the greatest negative effect on germination and early growth of plants. All tested plants differed in their sensitivity to T. tuberculata extracts. Higher reduction in plant growth parameters was observed in carrot. The tested extracts inhibited mainly the growth of radicle more than the growth of the hypocotyle and germination percentage in all examined crops, except carrot. According to the study, it could be concluded that T. tuberculata extracts had a significant herbicidal activity which depended on the extract concentrations, plant parts and the target crops.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Institute of Tropical Agriculture
Publisher: Gaurav Society of Agricultural Research Information Centre
Keywords: Allelopathy; Early seedling growth; Herbicidal activity; Inhibition; Methanol extract; Tinospora tuberculata.
Depositing User: Norhazura Hamzah
Date Deposited: 17 Jul 2014 04:28
Last Modified: 08 Sep 2015 02:52
URI: http://psasir.upm.edu.my/id/eprint/30807
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