The occurrence of the leaf mite. Cisaberoptes kenyae K. was continuous on varieties Malgoa and Rumani throughout the study period (December 1995 to May 1997). whereas in the varieties like Neelum, Bangalora and Sappattai the occurrence was not noticed between the months of August '96 to May '97. A similar trend was observed on the infestation of the mite. Among the treatments tested, neem seed kernal extract (10%) recorded the lowest number of mites (6.9 mites./ square inch area) with 54.3 per cent reduction over control followed by dicofol 0.03% (39.1% ) endosulfan 0.07% (33.1%). Wettable sulphur 0.02% (25.8%) and neem oil 3.0% (21.9%) after two rounds of spray.
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Tamil Nadu Agricultural University
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