High density planting system i.e. accommodating a higher number of plants than routine in a given area is an innovative agro-technology to increase yield and thereby early net returns.
View Article and Find Full Text PDFField populations of thrips (Scirtothrips dorsalis Hood) from citrus nurseries and psyllids (Diaphorina citri Kuwayama) from commercial citrus orchards of three districts in Maharashtra State in India were evaluated for levels of resistance to organophosphates (acephate, chlorpyrifos, quinalphos, and dimethoate), neonicotinoids (thiamethoxam, imidacloprid), abamectin and spinosad between 2012 and 2017. Leaf dip bioassays for thrips and shoot tip bioassay for nymph and adult psyllids were used to assess levels of insecticide resistance as indicated by resistance ratios (RRs). In general, levels of insecticide resistance were zero (RR = 1) or very low (RR = 2-10); however, we recorded 21.
View Article and Find Full Text PDFFoliar application of insecticides has been the most commonly followed practice to manage Phyllocnistis citrella Stainton in nurseries and flush leaves in citrus groves. Leaf dip bioassays were conducted against insecticides, viz., acephate 75SP, dimethoate 30EC, abamectin 1.
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