Effect of 2,4-D residues on soil microflora

Effect of 2,4-D residues on soil microflora

Authors

  • K.M. Durga Devi All India Coordinated Research Programme on Weed Control, College of Horticulture, Kerala Agricultural University, KAU P.O., Thrissur 680656, Kerala
  • S. Beena Department of Plant Pathology, College of Horticulture, Kerala Agricultural University, KAU P.O., Thrissur 680656, Kerala
  • C.T. Abraham All India Coordinated Research Programme on Weed Control, College of Horticulture, Kerala Agricultural University, KAU P.O., Thrissur 680656, Kerala

Keywords:

Herbicide persistence, Wetland paddy, Thrissur

Abstract

A field experiment was conducted to assess the persistence of 2,4-dichlorophenoxy acetic acid (2,4-D) and the consequent changes in microbial populations in the wetland paddy soils of Thrissur, Kerala (India). Results indicate that 2,4-D does not persist in the paddy field beyond 30 days after spraying. Application of 2,4-D benefited soil fungi while the bacterial populations were depressed initially. By 30 days after spraying, however, the populations in the treated and untreated plots were similar and this period coincided with the disappearance of the 2,4-D residues in the soil.

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Published

27-11-2008

How to Cite

Durga Devi, K., Beena, S., & Abraham, C. (2008). Effect of 2,4-D residues on soil microflora. Journal of Tropical Agriculture, 46, 76–78. Retrieved from https://jtropag.kau.in/index.php/ojs2/article/view/195

Issue

Section

Short communications

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