Gibberellic disease resistant and breeding method for wheat
A technology for wheat scab and scab, which is applied in the fields of botanical equipment and methods, plant genetic improvement, angiosperms/flowering plants, etc., which can solve the problems of difficulty in obtaining and a small number of cytological markers, and reduce the workload. , avoid blindness, reduce the effect of workload
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[0029] 1. For the 6D chromosome monosomy of Chinese spring wheat, the number of chromosomes in the root tip meristematic cells was checked under a microscope, and the plants with 2n=41 were selected. The wheat head blight resistant cultivar Sumai 3 was inoculated to identify the resistance to head blight, and the single plant with the best resistance was selected, and the rate of diseased spikelets was 6.85%. The resistant single plant of Sumai 3 (♀) was used as the female parent, and crossed with Chinese spring wheat 6D chromosomal monosomy (♂) to obtain hybrid F1. The number of chromosomes in root meristematic cells of F1 plants was checked under a microscope, and the plants with 2n=41 and external morphology close to Chinese spring were selected as the male parent (♂), and then crossed with Chinese spring wheat 6D chromosomal monosomy (♀) to obtain BC1 plants. Repeat microscopic inspection, selection and hybridization until BC4 plants are obtained. The number of chromosome...
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