为了多快好省地繁、制优良组合的杂交水稻种子,我县烟墩公社夹垸大队农科队在0.8亩春繁二九南1号A获得亩产117.5斤的基础上,利用母本不育系留茬再生秋制南优6号,未刈叶、来剥苞、未喷“920”,合亩产杂交种子20斤。这一初步试验表明,利用野败型不育系生活力强,再生率高的特点,蓄再生苗制种扩大繁殖系数是可行的。 In order to be more efficient and convenient, the system of hybrid rice hybrid system, my county Yantun commune embankment brigade brigade agricultural team at 0.8 acres Spring 29 South No. 1 A yield of 117.5 pounds per mu basis, the use of female parent is not Yu Department of stubble reproduce Qiuyou Nanyou 6, unpaved leaves to peel, not spray “920”, a hybrid yield of 20 pounds of seed per mu. This preliminary experiment shows that the use of wild-type sterile lines with strong viability and high regeneration rate, regenerative seedling expansion breeding coefficient is feasible.