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Eyespot is one of the most important fungal diseases of the stem base of wheat (Triticum aestivum L.). The presented study clearly demonstrated that the Pch1 gene was the main effective source for reducing the eyespot disease score in the analyzed winter wheat lines. Nevertheless, Pch1 was present only in 8−9% of the investigated lines. Using an isoenzymatic marker and molecular markers, the presence...
Eyespot can reduce yields, even up to 50%. There are four genetically characterized resistances in wheat varieties, controlled by: (1) the Pch1 gene, transferred from Aegilops ventricosa; (2) the Pch2 gene, originating from wheat variety Capelle Desprez; (3) the Pch3 gene, originating from Dasypyrum villosum; and (4) the Q.Pch.jic-5A gene, a quantitative trait locus (QTL) located on chromosome 5A...
There has been a rapid, worldwide increase in oilseed rape production that has resulted in enormous intensification of oilseed rape cultivation, leading to tight rotations. This in turn, has caused an accumulation of pests as well as foliar and soil-borne diseases. Recently, clubroot has become one of the biggest concerns of oilseed rape growers. Clubroot is caused by the soil-borne protist Plasmodiophora...
Endopeptidase marker EpD1b and STS marker XustSSR2001-7DL are closely linked to very effective eyespot resistance gene Pch1. Because of this, the aim of this study was to compare the results obtained under lab conditions using such markers with the results obtained under field conditions. 134 wheat breeding lines and Triticum aestivum L. var. Randevous used as a eyespot resistance control were analized...
Clubroot presents a serious threat to cultures of oilseed rape, especially if the share of this plant species in sowing structure is high. This is related to a long-lasting survival of pathogens resting spores in soil. The casual disease agent is Plasmodiophora brassicae Woronin - an obligatory, internal pathogen of Brassicae family which causes the formation of tumors on roots and hypocotyls. Plants...
The degree of infection witb Pseudocercosporella herpotrichoides (Fron.) Deighton and Fusarium spp. Of 10 triticale varieties was evaluated in vegetation periods 1995-1996 and 2 localities of Poland. In Choryń, varieties Ugo and Lasko were significantly more infected with eyespot pathogen at the stages of shooting (GS 30) and waxy ripe (GS 87), respectively, than other varieties tested. Infection...
The paper summarizes the results of observations on the occurence of diseases on hybrid rye Marder F1 and a traditional rye cv. Motto. Observations were performed in field conditions, on plots treated with fungicides, and untreated control plots. Powdery mildew (Erysiphe graminis), leaf scald (Rhynchosporium secalis), leaf rust (Puccinia dispersa), and stem rust (P. graminis) were the most commonly...
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