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Persian Journal of Acarology، جلد ۴، شماره ۳، صفحات ۰-۰
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عنوان انگلیسی Seasonal dynamics of Panonychus ulmi (Koch) (Acari: Tetranychidae) on four varieties of mulberry in Kashmir valley, India
چکیده انگلیسی مقاله The present study was conducted to measure the population dynamics and seasonal variation of Panonychus ulmi (Koch) on four commercial mulberry varieties viz . Goshoerami, KNG, Tr10 and Ichinose in Kashmir valley. Observations were made fortnightly on the mite density per leaf by selecting five plants from each of four accessions and five branches from each plant with the help of 20x hand lens. Influence of weather parameters on the population build-up and seasonal variations were quantified. The population of P. ulmi was highly affected by weather parameters and was very low during spring and reached maximum in the midst of summer in the varieties selected. Tr10 and Goshoerami varieties were found the most susceptible with the highest population number; however, other varieties showed little resistance. Correlation and multiple regression analysis showed significant relation between P. ulmi population build-up and weather parameters. It can be concluded, that P. ulmi is a serious pest of mulberry plants and can cause significant loss to mulberry foliage. Temperature and relative humidity are the key factors determining rapid multiplication of this mite in mulberry ecosystem.
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نویسندگان مقاله محمد یعقوب دار | mohd yaqoob dar
school of studies in zoology, jiwaji university, gwalior- 474011 madhya pradesh, india


rayavarapu jagannadha رایو | rayavarapu jagannadha rao
school of studies in zoology, jiwaji university, gwalior- 474011 madhya pradesh, india


goravale krishnegowda ramegowda | goravale krishnegowda ramegowda
central sericultural research and training institute, central silk board, pampore-192121, jammu and kashmir, india


عرفان illahi | irfan illahi
regional horticultural research and extension centre, university of horticultural sciences campus, g.k.v.k. post, bengaluru-560065, karnataka, india
نشانی اینترنتی http://biotaxa.org/pja/article/view/13222
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زبان مقاله منتشر شده en
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