Yellow mosaic disease (YMD) is the major constraint of mungbean for realizing high productivity worldwide. Moreover, management of disease using YMD‐resistant genotypes is the simplest approach. Therefore, based on a preliminary screening of 220 genotypes during the year 2010 and 2011 at 17 locations, a set of 25 genotypes was further selected to evaluate at six locations over 2 years for identification of more stable resistant genotypes. The genotype and genotype × environment (GGE) analysis indicated that the genotypes and environment effects were significant (P < 0.001) for YMD incidence. Interestingly, the GGE biplot analysis successfully accounted for 74.71 per cent of the total variation with three genotypes (ML 818, ML 1349 and IPM 02‐14) showing high degree of resistance and stability over the locations. Notably, a strong positive association was observed between disease reaction and temperature, relative humidity and rainfall. As crop is grown in diverse growing environments, aforementioned genotypes can be used as stable/durable sources for future breeding programme to develop YMD‐resistant cultivars.

Efforts made to evaluate the Integrated Pest Management (IPM) module for shallots through Farmer's Participatory Approach in Tamil Nadu, India, are discussed. The shallot IPM module with special emphasis on nonchemical management components viz., healthy seed bulb selection, seed treatment with bio-pesticides, soil application of bio-pesticides and bio-inputs, growing of barrier crops, installation of sticky traps and pheromone traps, spray application of bio-pesticides, and need-based application of synthetic pesticides were evaluated in large fields in farmers' holdings in six locations during 2009 -2012. In all the locations, the IPM fields registered reduced incidence of the major insect pests and diseases viz. onion thrips (Thrips tabaci L.) (5.99 thrips/plant), leafminer (Liriomyza sp.) (12.59% damage), tobacco cutworm (Spodoptera litura F.) (3.51% damage), basal rot (Fusarium oxysporum f. sp. cepae W. C. Snyder and H. N. Hansen) (3.50% incidence) and purple blotch (Alternaria porri (Ellis) Cif.) (24.50 Percent Disease Index) compared with farmer's approach registering higher incidence of onion thrips (11.58 thrips/plant), leafminer (19.65% damage), tobacco cutworm (6.22% damage), basal rot (8.14% incidence), and purple blotch (51.6 Percent Disease Index). The IPM fields registered a higher mean bulb yield of 13.81 t/ha with a cost:benefit ratio of 1:3.05 compared with 10.69 t/ha with a cost:benefit ratio of 1:2.47 in farmer's approach. Field days, exhibitions, and demonstrations were organized in all the locations to popularize the shallot IPM module among the growers.

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