Summary
The effect of four soil-applied insecticides viz. carbofuran, thimet, dasanite, and heptachlor at the recommended rate on the number, weight and leghaemoglobin content of root nodules and on the yield, dry weight, and nitrogen content of groundnut (Arachis hypogaea Linn.) inoculated with Rhizobium was studied. Application of thimet, heptachlor, and dasanite was found to reduce significantly the number of root nodules. But the size of the nodules was bigger and weighed significantly more compared to nodules in the control plants. Application of insecticides was found to have no significant effect on the leghaemoglobin content of the root nodules, yield, dry weight, and nitrogen content of the plants. It can be inferred that the application of these four insecticides to the soil at recommended rate has no harmful effect on nodulation and yield of groundnut inoculated with Rhizobium. re]19730529
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Kulkarni, J.H., Sardeshpande, J.S. & Bagyaraj, D.J. Effect of four soil-applied insecticides on symbiosis of Rhizobium sp. with Arachis hypogaea Linn.. Plant Soil 40, 169–172 (1974). https://doi.org/10.1007/BF00011419
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DOI: https://doi.org/10.1007/BF00011419