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Regular monitoring of hemipteran hopper species (including psyllids) associated with small-fruited acid lime trees (Citrus aurantifolia L.) was conducted for four years using motorized insect suction to determine the possible vectors of witches’- broom disease of lime (WBDL). The study was done in two phases: monitorin …
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Population fluctuations of adult sweet potato whitefly (Batista tabaci Gennadius) were monitored at the Agricultural Experiment Station, College of Agriculture, Sultan Qaboos University, Sultanate of Oman, for a period of four years on a weekly basis from 1st week of January 1993 through December 1996 by using yellow s …
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A field experiment was conducted to study the intra plant distribution and temporal dispersion patterns of whitetly (Bemisia tabaci Gennadius) eggs and nymphs on tomato plants to establish a sampling method which would give accurate estimates of the population size. From the third week to the ninth week after transplan …
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Field experiments were conducted on tomato crops over a two year period to evaluate the efficacy of six insecticides, viz., triazophos, phosphamidon, dimethoate, buprofezin and Aflix (endosulfan + dimethoate) each at 0.05% and Repelin (plant insecticide) at 1% concentration along With a cultural treatment by covering t …