Major QTL (Quantitative Trait Locus) of cotton high-strength fiber and molecular marker and application thereof
A high-strength fiber and molecular marker technology, applied in the field of molecular genetic breeding, can solve problems such as difficulty, slow progress, and high cost of quality breeding, and achieve the effect of improving fiber quality and selection efficiency
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Embodiment 1
[0031] The implementation procedure of the present invention is: the upland cotton high-strength fiber germplasm line Prema that introduces from the U.S. is carried out individual plant selection, and measure fiber quality, select the homozygous stable strain Prema, according to the measurement result in 2000 and 2001, The average fiber quality of strain Prema in two years is: fiber strength 35.63cN / tex, fiber length 30.39mm, micronaire value 4.25, upland cotton variety 86-1 (a fusarium wilt resistant variety bred by researcher Ma Cun of the Chinese Academy of Agricultural Sciences) : Fiber strength 25.70cN / tex, fiber length 27.74mm, micronaire value 4.72. The above two germplasm materials have been publicly distributed free of charge, and are widely used in Chinese cotton genetics and breeding institutions. At the same time, if other colleagues need it, the Cotton Research Institute of Nanjing Agricultural University can provide these germplasms to domestic research instituti...
Embodiment 2
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[0045]
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