نتایج جستجو برای: puccinia hordei
تعداد نتایج: 2211 فیلتر نتایج به سال:
Understanding the response dynamics of plants to biotic stress is essential to improve management practices and breeding strategies of crops and thus to proceed towards a more sustainable agriculture in the coming decades. In this context, hyperspectral imaging offers a particularly promising approach since it provides non-destructive measurements of plants correlated with internal structure an...
In the past 40 years, causal agent of yellow rust in barley, Psh (Puccinia striiformis f. sp. hordei Erikss), has been registered worldwide. However, it caused greatest damage areas with cold and humid climates, where yield losses reached up to 70%. Races P. tritici (Pst), wheat, are usually not found those that infect barley (Psh) rarely virulent on wheat. there genotypes can be infected by ce...
BACKGROUND Genetic resistance to barley leaf rust caused by Puccinia hordei involves both R genes and quantitative trait loci. The R genes provide higher but less durable resistance than the quantitative trait loci. Consequently, exploring quantitative or partial resistance has become a favorable alternative for controlling disease. Four quantitative trait loci for partial resistance to leaf ru...
Inheritance studies on the nonhost resistance of plants would normally require interspecific crosses that suffer from sterility and abnormal segregation. Therefore, we developed the barley-Puccinia rust model system to study, using forward genetics, the specificity, number, and diversity of genes involved in nonhost resistance. We developed two mapping populations by crossing the line SusPtrit,...
We developed an evolutionary relevant model system, barley-Puccinia [corrected] rust fungi, to study the inheritance and specificity of plant factors that determine to what extent innate nonhost immunity can be suppressed. A mapping population was developed from a cross between an experimental barley line (SusPtrit) [corrected] with exceptional susceptibility to several heterologous [corrected]...
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