نتایج جستجو برای: johnsongrass sorghum halepense
تعداد نتایج: 10002 فیلتر نتایج به سال:
Of central importance in adapting plants of tropical origin to temperate cultivation has been selection of daylength-neutral genotypes that flower early in the temperate summer and take full advantage of its long days. A cross between tropical and temperate sorghums [Sorghum propinquum (Kunth) Hitchc.×S. bicolor (L.) Moench], revealed a quantitative trait locus (QTL), FlrAvgD1, accounting for 8...
The graminous host range and sources of sorghum [Sorghum bicolor (L.) Moench.] plant resistance, including cross-resistance from greenbug, Schizaphis graminum (Rondani), were studied for the newly emerging sugarcane aphid, Melanaphis sacchari (Zehntner), in greenhouse no-choice experiments and field evaluations. The sugarcane aphid could not survive on field corn, Zea mays (L.), Teff grass, Era...
Improved knowledge of the sorghum transcriptome will enhance basic understanding of how plants respond to stresses and serve as a source of genes of value to agriculture. Toward this goal, Sorghum bicolor L. Moench cDNA libraries were prepared from light- and dark-grown seedlings, drought-stressed plants, Colletotrichum-infected seedlings and plants, ovaries, embryos, and immature panicles. Oth...
Abstract Johnsongrass [ Sorghum halepense (L.) Pers.] is one of the most noxious weeds distributed around world. Due to its rapid growth, wide dissemination, seeds that can germinate after years in soil, and ability spread via rhizomes, S. difficult control. From a perspective plant pathology, also potential reservoir pathogens eventually jump other crops, especially corn ( Zea mays L.) sorghum...
Johnsongrass is a nonnative invasive species introduced as a forage crop from the Mediterranean region (Miller and Miller 1999). This perennial species has become naturalized and is found in 47 of the 50 United States (Alaska, Minnesota, and Maine being the exceptions) (USDA 2004). Johnsongrass has become problematic along roadsides in Kentucky due to its aggressive and prolific nature and rapi...
Glyphosate is the most widely used herbicide for postemergence weed control in Florida citrus (Citrus spp.). Variation in susceptibility of certain weed species to glyphosate has been observed in last few years. Therefore, understanding the mechanism underlying such phenomenon is required. Experiments were conducted to evaluate differences in tolerance of four weed species to glyphosate by quan...
Species niches have been defined in different ways, variably encompassing abiotic and biotic parameters limiting an organism’s spatial distribution. Climate is often the primary component of (fundamental) niche, especially among terrestrial plants. In invasion biology, there ongoing debate on prevalence niche shifts, which may be linked to divergent traits a species’ native invaded ranges, as w...
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