The experiments were conducted to determine the intensity of infestation by fruit flies in guava orchard in the northern districts of West Bengal, India. A survey was conducted in the major guava growing areas of the terai and hilly regions of West Bengal especially in northern districts. Total one hundred (100) fruits were collected randomly at three times from each orchard of different locations and then taken to the laboratory for critical examination of fruit flies infestation.During 2014, results showed that highest fruit infestation (25.00%) was recorded from Posarir Hat area of Cooch Behar district and lowest infestation (9.67%) was found in Kharibari area of Darjeeling district whereas in 2015, the highest infestation (28.33%) was recorded in Posarir Hat and lowest infestation (8.67%) was recorded in Matigara area of Darjeeling district. The present findings may be useful information for development of effective management practices of fruit flies to avoid huge yield loss in guava in northern part of West Bengal.
G. Roy
Department of Entomology, Uttar Banga Krishi Viswavidyalaya, Pundibari – 736135, West Bengal, INDIA
S. Sarkar*
N. Laskar
S. Patra
Division of Crop Protection, ICAR Research Complex for NEH Region, Umiam-793103, Meghalaya, INDIA
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