نتایج جستجو برای: yellow rust
تعداد نتایج: 50789 فیلتر نتایج به سال:
A collection of 84 bread wheat Spanish landraces were inoculated with three isolates leaf rust and one yellow at the seedling stage in controlled conditions. The latency period on susceptible was also assessed. An extended 149 planted locations field trials to evaluate naturally occurring severity. Several (36) resistant isolate stage, but only all isolates. Landraces PG14 originated from areas...
Yellow rust (Puccinia striiformis f. sp. tritici) on bread wheat (Triticum aestivum L.) has resulted in significant reductions the yield losses and grain quality. Infection rate to yellow disease evaluation of SPAD value 90 soft genotypes we studied been implemented conditions Absheron Peninsula, territory Experimental Base ANAS ( N. 40°24.001? , E. 49°49.001? H. = 50 m. ) 2017-2020 years. was ...
During the study on rust mycobiota of Central Alborz, several rust infected specimens belonging to Salicaceae family including Populus and Salix species were investigated. Populus nigra, P. euphratica, Saix alba and S. excelsa were infected by various Melampsora species. Uredinial (II) and telial (III) stages of rust were present on infected plants. According to morphological characters, five f...
Rust fungal pathogens of wheat (Triticum spp.) affect crop yields worldwide. The molecular mechanisms underlying the virulence of these pathogens remain elusive, due to the limited availability of suitable molecular genetic research tools. Notably, the inability to perform high-throughput analyses of candidate virulence proteins (also known as effectors) impairs progress. We previously establis...
Farfugium japonicum is used in traditional medicine and as an edible herb in China and Korea. In July 2013, leaf spots were observed in F. japonicum seedlings at Ulleung Island, Gyeongsangbuk Province, Korea. Early symptoms on the leaf adaxial surface included roughly circular yellow spots that later developed brown, necrotic centers. The aecia were hypophyllous, cupulate, yellowish, 180~430 µm...
Linkage disequilibrium can be used for identifying associations between traits of interest and genetic markers. This study used mapped diversity array technology (DArT) markers to find associations with resistance to stem rust, leaf rust, yellow rust, and powdery mildew, plus grain yield in five historical wheat international multienvironment trials from the International Maize and Wheat Improv...
Yellow (stripe) rust, caused by the biotrophic fungus Puccinia striiformis f. sp. tritici (Pst), stands as most serious wheat disease worldwide, affecting approximately 88% of world production. Even though yellow rust generally develops in cool humid weather conditions, expansion new races adapted to warmer climates threatens zones where severe P. epidemics were infrequent, such Andalusian crop...
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