نتایج جستجو برای: tetranychus urticae koch is an injurious pest of
تعداد نتایج: 21800162 فیلتر نتایج به سال:
Understanding the impact of a pest species on a particular crop is critical for the success of a pest management program. Field studies were conducted to determine the effect of the twospotted spider mite, Tetranychus urticae Koch, on marketable yield of strawberries during the 2008/2009 and 2009/2010 growing seasons. Low, medium, and high mite infestation levels were established by initial ino...
Acaricidal Activity of Ethulia conyzoides Extracts and Constituents against Tetranychus urticae Koch
در مطالعه فونستیکی که طی سالهای 87 تا 90 به منظور جمع اوری و شناسایی برخی کنه ها صورت گرفت کنه های زیر شناسایی شدند. trombidiformes: bdellidae: bdella lattaki soliman & zaher, 1975; spinibdella cronini baker & balock, 1962; hexabdella sp. near unsoculata, cyta sp. nov.**, cunaxidae: cunaxa setirostris hermann, cunaxa sp. nov.**, pulaeus martini den heyer, 1981; caligonellidae: molotrognathu...
abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...
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