Germplasm Improvement and Breeding Technology System of Gradual Classification of Heterogenetic Groups of Fresh Maize
A technology of fresh corn and heterotic groups, applied in plant genetic improvement, botany equipment and methods, applications, etc., can solve the problems of no unified heterosis group and heterosis mode
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[0023] A kind of heterogeneous group of fresh corn germplasm improvement and breeding technology system by step-by-step classification, comprising the following steps:
[0024] (1) Determination of germplasm: In order to achieve a leapfrog improvement in the breeding potential of fresh corn germplasm, select hybrids with excellent performance in breeding and production to participate in the basic population. According to the results of previous breeding experiments and practical breeding experience, three groups of excellent germplasm and hybrids were selected for the initial group of reincarnation selection.
[0025] (2) According to the results of breeding pedigree and molecular marker grouping, the germplasm was divided into three groups: T, H, and O: T groups can include 12 inbred lines such as Tong Line 5, T361, and W6, as well as Sushi 81301, Chaohei Nuo 1, Meiyujiatiannuo 16, Heitiannuo 168, NK1203, Mige and other glutinous and sweet corn hybrids 23, H group can include...
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