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Effect of agrochemicals on microflora in soybean rhizospheric soil

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Author(s): G. P. Jagtap

Journal: Scientific Journal of Microbiology
ISSN 2322-2948

Volume: 1;
Issue: 2;
Start page: 55;
Date: 2012;
Original page

Keywords: Agrochemicals | Bioinoculants | Soybean

ABSTRACT
After application of agrochemicals at 1, 30 DAS and at harvest the total number of fungi, bacteria, actynomycetes, pseudomonas, azatobactor, rhizobium were counted.The result with regard to bacterial population in soybean field were significantly influenced by bioinoculant viz., rhizobium. The bacterial populations were inhibited by herbicides Alachlor in soybean and fungicides i.e. thiram and mancozeb in soybean. After 30 days of spraying of chemicals the bacterial populations were restored. With regard to rhizobium population, the bioinoculant were significantly influenced the population soybean field. The herbicides and fungicides were significantly decreased bioinoculant population, maximum inhibition was observed in mancozeb treated plot at 30 DAS. The results with regards to pseudomonas, actinomycetes and fungi population were influenced by bioinoculant viz., rhizobium. While population were inhibited by alachlor, thiram and mancozeb in soybean field. The Pseudomonas, actinomycetes and fungi population were restored after 30 days of spraying. With regard to yield of soybean were significantly influenced by bioinoculant in combination with herbicide and fungicide.
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