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论述了水稻两用雄性核不育系(以下简称两用系)的育性不稳定性;光(温)诱导育性转换的累积效应;营养生长期光温条件对育性转换的影响。提出选育带标记性状的实用两用系以及合理利用生态资源的两用系利用策略
The fertility instability of dual-purpose male-sterile male sterile line (hereinafter referred to as dual-purpose line) in rice was discussed. The cumulative effect of light (temperature) inducing fertility conversion and the effect of light and temperature during vegetative growth on fertility conversion were discussed. Put forward the selection and breeding of practical dual-purpose lines with marked traits and the rational use of ecological resources of dual-use strategy