نتایج جستجو برای: beet armyworm
تعداد نتایج: 6726 فیلتر نتایج به سال:
Fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), infestations in most of North America north of Mexico arise from annual migrations of populations that overwinter in southern Texas and Florida. A comparison of the cytochrome oxidase I haplotype profiles within the fall armyworm corn-strain, the subgroup that preferentially infests corn (Zea mays L.) and sorghum (Sorg...
Leaf-feeding damage by first generation larvae of fall armyworm, Spodopter frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), and southwestern corn borer, Diatraea grandiosella Dyar (Lepidoptera: Crambidae), cause major economic losses each year in maize, Zea mays L. A previous study identified quantitative trait loci (QTL) contributing to reduced leaf-feeding damage by these insects in the mai...
beet armyworm, spodoptera exigua hübner, (lep., noctuidae), is one of the most important polyphagous pests of sugar beet in iran and many other countries. in most cases, this pest needs to be controlled for a few times in a crop season. baculoviruses are effective biological control agents which could be integrated to control program of this pest with other integrated pest management (ipm) elem...
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