The use of resistant cultivars is the most effective strategy for controlling coffee leaf rust caused by fungus Hemileia vastatrix. To assist development such cultivars, amplified fragment-length polymorphism (AFLP) markers linked to two loci resistance races I and II as well pathotype 001 H. vastatrix were converted sequence-characterized region (SCAR) cleaved polymorphic site (CAPS) markers. ...

The wheat leaf rust is widespread throughout Ukraine, which makes it necessary to monitor the effectiveness of host plant resistance genes. In 2019–2020, under conditions subpopulation pathogen, typical for Right Bank Forest-Steppe zone known genes was determined. Evaluation conducted after 2018 epiphytotypic series on a nearly isogenic Thatcher lines and cultivars that expand core gene set. Ac...

ABSTRACT Stripe rust, caused by Puccinia striiformis f. sp. hordei, is one of the most important diseases of barley in the south-central and western United States. Growing resistant cultivars is the best approach for controlling the disease. The barley genotype BBA 2890 has all-stage resistance against all races of P. striiformis f. sp. hordei (PSH) identified thus far in the United States. The...

Bean rust, caused by Uromyces appendiculatus, is a devastating disease of common bean (Phaseolus vulgaris) in the Americas and Africa. The historically important Ur-3 gene confers resistance to many races of the highly variable bean rust pathogen that overcome other rust resistance genes. Existing molecular markers tagging Ur-3 for use in marker-assisted selection produce false results. Here, w...

Ascochyta blight (AB) caused by Ascochyta rabiei (Pass.) Labr. is an important and widespread disease of chickpea (Cicer arietinum L.) worldwide. The disease is particularly severe under cool and humid weather conditions. Breeding for host resistance is an efficient means to combat this disease. In this paper, attempts have been made to summarize the progress made in identifying resistance sour...

Resistance to Soybean mosaic virus (SMV; Genus Potyvirus; Family Potyviridae) in soybean (Glycine max [L.] Merr.) is controlled by single dominant genes at three distinct loci, Rsv1, Rsv3 and Rsv4. The mechanisms of resistance at the Rsv3 locus were investigated in Harosoy and the Williams isoline L29 by tracking virus replication and movement. Two other cultivars with two genes for resistance ...

Abstract About 20% of all irrigated land is adversely affected by salinity hazards and therefore understanding plant defense mechanisms against will have great impact on productivity. In the last decades, comprehension resistance at molecular level has been achieved through identification key genes encoding biomarker proteins underpinning tolerance. Implication vacuolar transport systems in tol...

Substantial increases in grain yield of cereal crops are required to feed a growing human population. Here we show that a natural variant of SEMIDWARF AND HIGH-TILLERING (SDT) increases harvest index and grain productivity in rice. Gain-of-function sdt mutation has a shortened polyadenylation tail on the OsmiR156h microRNA precursor, which cause the up-regulation of OsmiR156h. The plants carryi...