Author(s):

P Sudha Jacob and K Jhansi

Abstract: On farm trials in ten locations were conducted to evaluate efficacy of IDM strategies with emphasis on use of bio-control agents for seed treatment and soil application for management of soil borne fungal disease ‘stem canker’ in blackgram and to create awareness among the farming community during rabi 2018-19 to 2019-20 in the farmer’s fields in Krishna District of Andhra Pradesh. Evaluation of popular blackgram varieties was also done against greengram variety in 2014-15 to see their tolerance/resistance to the disease. None of the blackgram variety tested was found tolerant to the disease while greengram showed tolerance by giving good yield. By adoption of IDM practices in both the years, the incidence of the disease was reduced to 7.86 per cent compared to 22.32 in farmers practice. This has resulted in increase in the average cost of cultivation by Rs. 2522.00 per hectare and the average net income was improved by Rs. 26083.00 per hectare compared to the farmers practice. The average yield levels (1187 kg/ha) improved by 85.075 per cent compared to farmers practice (505.5 kg/ha) giving a clear indication that adoption of IDM practices helped in reducing the stem canker disease incidence and damage and improving yield, helps in improving the net income levels to the resource poor farmers.

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