نتایج جستجو برای: pear psylla
تعداد نتایج: 4148 فیلتر نتایج به سال:
Cacopsylla pyri L. (Hemiptera: Psyllidae) je jedan od najvažnijih gospodarskih štetnika kruške. S obzirom na nove smjernice o održivoj uporabi pesticida i smanjenja rizika negativnih učinaka stalno se iznalaze nova, ekološki prihvatljiva rješenja u zaštiti bilja. Cilj ovog istraživanja bio utvrditi utjecaj biostimulatora povećanje otpornosti kruške intenzitet napada kruškine buhe. Istraživanje ...
The pistachio psylla, Agonoscena pistaciae Burckhardt and Lauterer (Hemiptera: Psyllidae) is a major pest of pistachio trees, Pistacia vera L. (Sapindalis: Anacardiaceae) throughout pistachio-producing regions in Iran. Different density levels of A. pistaciae nymphs were maintained on pistachio trees by different insecticide dosages to evaluate the relationship between nymph density and yield l...
Prickly pear (Opuntia sp.) is both a benefit and hindrance to the livestock industry in the southwestern U.S. It competes with herbaceous forage but is sometimes used as emergency feed during drought. Spineless prickly pear (0. fiscus-indica Engelm. and 0. rufida Engelm.) has been planted in some regions of the southwest but little is known about its nutritional value. Our objectives were to de...
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