【摘要】 以农垦５８Ｓ为母本、培矮６４为父本，通过杂交和回交选育成的培矮６４Ｓ，于１９９１年９月通过湖南省省级鉴定。培矮６４Ｓ具有导致不育临界温度低的特点，在长日条件下为２３．８℃，短日条件下为２３．３℃。它育性稳定、亲和性强、配合力好、适应性广，是一个很有发展前途的两用核不育系。更多还原

【Abstract】 Pei-Ai64S was developed by Crossing Nong-Ken58S as female Parent to Pei-Ai64S as male parent and backcrossing. In September, 1991 it was approved in the Provincal appraisial ill Hunan.Pei- Ai64S is Characterized by that its sterility is induced by low Critical temperature, namely, 23.8t under long day Condition and 23.3t under Short day Condition. Having stable featility, strong compatibility good Combining ability and wide adaptability,Pei-Ai64S is a Promising dual-Purpose sterile line.更多还原