International Journal of Biochemistry and Biotechnology
International Journal of Biochemistry and Biotechnology ISSN 2169-3048 Vol. 9 (9), pp. 001-005, September, 2020. © International Scholars Journals
Full Length Research Paper
Response of Glycine max in relation to nitrogen fixation as influenced by fungicide seed treatment
Anupama Bikrol, Nidhi Saxena and Kiran Singh*
Laboratory of Bioenergetics, Department of Microbiology, Barkatullah University, Bhopal-462026, India.
Accepted 08 March, 2020
Glycine max – Rhizobium interaction is a well known symbiotic association occurring in nature and responsible for biological nitrogen fixation. Thiram a well-known fungicide has been in practice as seed dressing in order to prevent fungal colonization. In the present study the effect of various thiram concentrations is investigated. Thiram concentration beyond 500 g/ml was observed to be highly toxic with respect to plant growth factors and rhizobial infection to the G. max. The nodulation, nodule dry weight, nitrogenase activity were observed to be maximum at 100 g/ml of thiram. The study is useful in determining the threshold concentration of fungicide for soybean seed dressing for effective nitrogen fixation and crop yield.
Key words: Ascorbic acid, chlorophyll content, Glycine max, nodulation, nodule dry weight, nitrogenase activity, protein content, thiram.
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