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The wheat spindle streak mosaic virus (WSSMV) or wheat yellow mosaic virus (WYMV) resistance gene, Wss1, from Haynaldia villosa, was previously mapped to the chromosome arm 4VS by the development of 4V (4D) substitution and T4DL·4VS translocation lines. For better utilization and more accurate mapping of the Wss1, in this research, the CS ph1b mutant was(More)
Root architecture is a major factor influencing root lodging, which limits greater yield stability at high planting density. Total brace root tier number (TBRTN) and effective brace root tier number (EBRTN) are the two most important root architecture traits influencing root lodging. However, the genetic mechanisms that underlie these traits remain poorly(More)
Wild relatives of wheat possess many agronomic traits important to wheat improvement. Wheat–alien translocation and deletion lines are important genetic stocks in wheat breeding or physical mapping of important alien genes. However, screening for chromosomal structural changes by conventional cytogenetic analyses is time-consuming work. It is necessary to(More)
The powdery mildew resistance gene Pm21 was physically and comparatively mapped by newly developed markers. Seven candidate genes were verified to be required for Pm21 -mediated resistance to wheat powdery mildew. Pm21, a gene derived from wheat wild relative Dasypyrum villosum, has been transferred into common wheat and widely utilized in wheat resistance(More)
Wheat-Haynaldia villosa translocations T6V#2S.6AL and T6V#4S.6DL, carriers of Pm21 and PmV, respectively, continue to contribute powdery mildew resistance in wheat varieties in China. Based on colinearity between Brachypodium distachyon and Triticeae species, genomic sequences from gene intervals of B. distachyon physically linked to a homolog of Stpk-V, a(More)
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