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Wheat yellow mosaic disease (WYM) became more serious in China in the recent years. Cultivation of resistant varieties is the major strategy for disease control. To identify WYM resistant genes in Chinese wheat cultivar ‘Yining Xiaomai’, a population of 106 recombinant inbred lines (RIL) from a cross between Yining Xiaomai and Zhen 9523 (WYM-susceptible) was generated. Phenotypic data of WYM resistance...
Plant height and spikelet density are important agronomic traits related to plant architecture and grain yield in wheat. The development of wheat mutants not only provided new genetic resources for wheat improvement, but also facilitated our understanding of the regulation of these traits at the molecular level. Here, we report the identification of a dwarf mutant with a compact spike. NAUH164, produced...
A cassava F1 population raised from the cross SC6 × Mianbao was used to construct a genetic linkage map. The map incorporated 200 polymorphic amplified fragment length polymorphism, sequence-related amplified polymorphism, simple sequence repeat (SSR), and expressed sequence tag (EST)–SSR markers which fit a 1:1 segregation ratio. It comprised 20 linkage groups (LGs) and spanned a genetic distance...
The powdery mildew resistance gene Pm6, transferred to common wheat from the tetraploid Triticum timopheevii, is effective in most epidemic areas for powdery mildew in China. RFLP probe BCD135 was previously associated with Pm6. In the present research, four STS primers (NAU/STSBCD135-1, NAU/STSBCD135-2, STS003 and STS004) were designed from the sequence data of BCD135. These primers were used for...
Previous studies showed that a T. aestivum-H. villosa disomic substitution line DS4V(4D) showed a high level of resistance to wheat spindle streak mosaic virus (WSSMV). By crossing DS4V(4D) with the common wheat variety Yangmai #5, plants were obtained that were double monosomic for chromosomes 4V and 4D. Univalents are prone to misdivision at the centromere, and fusion of the derived telocentric...
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