نتایج جستجو برای: mustard aphid
تعداد نتایج: 12582 فیلتر نتایج به سال:
Rose is one of the most important ornamental shrubs of the world because of its durability, long period of flowering, different cultivars and its beauty. The rose aphid, Macrosiphum rosae is the most important pest of the rose which causes significant economic damage annually. In order to compare four rose cultivars including Black Magic, Caramba, Noa and Good Life, and a wild rose, Nastaran, i...
the host plant quality not only influences on herbivorous insects but also indirectly could impact on their natural enemies’ performance. the current study was conducted to determine the effect of different nitrogen fertilization levels of canola (brassica napus l.) on life table parameters of the predatory gall midge, aphidoletes aphidimyza rondani; diptera: cecidomyiidae, in feeding of mustar...
The tripartite interactions in a pathosystem involving wheat (Triticum aestivum L.), the Barley yellow dwarf virus (BYDV), and the BYDV vector aphid Sitobion avenae were studied under field conditions to determine the impact of these interactions on aphid populations, virus pathology and grain yield. Wheat varietal resistance to BYDV and aphids varied among the three wheat varieties studied ove...
Cotton aphid, Aphis gossypii Glover (Hem.: Aphididae) is one of the most important pests in greenhouses and farms that decreases the quantity and quality of the product. Besides several plant viruses transmit by this pest such as cucumber mosaic virus and watermelon mosaic virus. The aim of this study was to evaluate the effect of cotton aphid feeding on some physiological parameters that are i...
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