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1 严把原种选育关目前原种选育中常存在的问题是:一是繁殖应用中保纯措施不严格导致混杂退化;二是亲本标准不统一,在繁殖应用中随意选择,形成各家所持同名亲本,而性状各异引起争端;三是早代原种的应用,由于种性不稳定,在应用过程中发生分离。
A strict selection of seed breeding At present, the breeding of the existing problems in breeding are: First, the application of conservation in pure measures not strictly lead to mixed degradation; Second, the parental standard is not uniform, the breeding application of choice, the formation of various Held by the same name parents, and different traits cause controversy; third is the application of early generation of original species, due to the instability of species, the separation occurred in the application process.