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Effects of herbicides on fungal phytopathogens


Mohan, Durgadevi and Ho, Pei Yin and Ho, Chai Ling and Namasivayam, Parameswari and Saidi, Noor Baity (2017) Effects of herbicides on fungal phytopathogens. Pertanika Journal of Scholarly Research Reviews, 3 (3). pp. 93-100. ISSN 2462-2028


Herbicides are inevitable inputs to control excessive weed in crop land, particularly where modern agricultural practices such as conservation tillage, are opted. Intensive farming has increased the market value of herbicides among the other pesticides. Although herbicides are effective in controlling weed population, administration of this synthetic chemicals may alter the soil microbial community causing potential increase of plant pathogens. Moreover, herbicides may also have nontarget effects on the cultivated crops making them more susceptible to diseases. Actions of herbicides in soil that either stimulate microbial growth or wipe out some microbial population may create space for the thrivial of opportunistic fungi. Previous studies showed that white rot fungi are more tolerant to herbicides as they produce lignin degrading enzymes that are highly oxidative, non-specific and are able to transform a wide range of herbicides. Besides that, this group of fungi can grow on agricultural waste substrates. Influence of these herbicides on soil microbial ecosystem and interactions of plants and pathogenic white rot fungi modulate disease development in plant hosts.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Institute of Tropical Agriculture
Publisher: Universiti Putra Malaysia Press
Keywords: Herbicide; Lignin degrading enzymes; Soil microorganisms; White rot fungi
Depositing User: Nabilah Mustapa
Date Deposited: 24 Jan 2018 08:22
Last Modified: 24 Jan 2018 08:22
URI: http://psasir.upm.edu.my/id/eprint/58640
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