Pesticides Induced Alternations in Plant Growth Hormone (IAA) in RHIZOBACTERIA
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 12
Abstract
Four pesticides Endosulfan, Lambda cyhalothrin, Monocrotophos and Macnozeb were applied at recommended and higher rates to examine their effects on the plant growth promoting activities of the pesticides tolerant Pseudomonas sp, Klebsiella sp and Azospirillum under in vitro conditions. Pesticides at recommended dose had little effect while the dose higher than the recommended one adversely affected the physiological traits, like indole acetic acid synthesis. Among all pesticides, Lambda cyhalothrinand Macnozeb in general, showed maximum toxicity to plant growth promoting activities. Endosulfantolerant Pseudomonas sp and Azospirillum sp have inherent ability to produce growth regulators. It can be used as a bioinoculant to increase the productivity of crops grown in pesticide stressed soils.
Authors and Affiliations
S. Kulandaivel, S. Nagarajan
Keywords
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