marten using a broom rust in Engelmann spruce as a resting site Figure 29-Brooms caused by spruce broom rust are most conspicuous durmg the summer when yellow-brown spores are present. Figure 28Spruce broom rust on Engelmann spruce.

Resistance gene analog-expressed sequence tag (RGA-EST)-based markers have been used for variety discrimination and studies of genetic diversity in wheat. Our aim is to increase the competitiveness of public wheat breeding programs through intensive use of modern selection technologies, mainly marker-assisted selection. The genetic diversity of 77 wheat nucleotide binding site (NBS)-containing ...

eight promising lines of bread wheat which had been selected through the preliminary and advanced traits, together with two check cultivar shiroudi and tajan were evaluated for yield, adabtability and response to cereal diseases in an on farm experiment conducted in two sites in moghan. combined analysis of variance on yield and yield components showed significant differences of lines in yield ...

a study was conducted to assess the durable resistance in a near isogenic line of spring wheat (triticum aestivalis l.), possessing resistance gene yr-18 to some isolates (race specific resistance) of stripe rust (puccinia striiformis f. sp. tritici), namely thatcher yr-18 and durable resistance of an cultivar of spring wheat to all isolates of stripe rust (race non- specific resistance), namel...

puccinia recondite (leaf rust) is an endemic disease in iran; this disease can affect the productivity and quality of wheat, that occurring in all wheat growing regions. genetic resistance to leaf rust of wheat is the most important strategy to control the diseases and 51 leaf rust resistance genes (lr gene) are reported in wheat to provide resistance to leaf rust. this study aims to identify p...

Leaves of Perilla frutescens, commonly known as perilla are widely used in Korea, due to their medicinal properties. The rust disease of perilla interrupts its wide use every year. The present study was carried out to evaluate the control of perilla rust disease by using oak pyroligneous liquor having various biological properties. The rust disease infected perilla leaves were applied with 100 ...

During the growing season of 2015, leaf specimens with yellow rust spots were collected from Salix koreensis Andersson, known as Korean willow, in riverine areas in Cheonan, Korea. The fungus on S. koreensis was identified as the rust species, Melampsora yezoensis, based on the morphology of urediniospores observed by light and scanning electron microscopy, and the molecular properties of the i...

Gebze Institute of Technology, Faculty of Science, Department of Biology, Cayirova Campus, Gebze, Kocaeli, Turkey Marmara University, Faculty of Science and Letters, Department of Biology, 34722, Kadikoy, Istanbul, Turkey The Scientific and Technological Research Council of Turkey (TUBITAK), Marmara Research Center (MRC), Genetic Engineering and Biotechnology Institute (GEBI), P.O Box 21, 41470...

Stripe rust (yellow rust) caused by Puccinia striiformis f. sp. tritici, one of the most dangerous diseases wheat. Marker assisted selection methods make it possible to accelerate resistance gene donors improve breeding material through their introduction into hybridization programs. The goal this study was determine presence/absence yellow genes in wheat recombinant inbred lines Almaly/Avocet ...

Stripe (yellow) rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most destructive diseases of wheat worldwide. Planting resistant cultivars is an effective way to control this disease, but race-specific resistance can be overcome quickly due to the rapid evolving Pst population. Studying the pathogenicity mechanisms is critical for understanding how Pst virulence changes...