籼型优良恢复系南恢009的选育及利用

Selective Breeding and Applications of Indica Elite Restorer "Nanhui 009"

利用丰产性好、推广面积最大、应用时间最长的恢复系明恢63为母本,选用株型好、含部分粳稻血缘的恢复系宁恢7号为父本,通过有性杂交和定向培育,选择株型好的高代中间材料再与桂44复交,后代在不同生态环境下穿梭培育,定向选择,育成强优势恢复系南恢009。该恢复系具有恢复谱广、恢复力强、配合力高、生育期适中、较抗稻瘟病等特点,所配制的特优009、II优009等组合在各级区试中表现综合性状好,增产显著,其中特优009已通过福建省和国家农作物品种审定委员会审定。

Nanhui 009, developed from three cross of Minghui 63, Linhui 7 and Gui 44, is a new medium indica line with strong restoring and high combining ability, moderate growth duration and powerful blast resistance. Teyou 009 and Ⅱ you 009, by crossing the three lines to CMS line Nongtefu A and Ⅱ-32A, showed fine synthesize properties, remarkably yield -increasing in all regional trials. And Teyou 009 was examined and released by Fujian Committee of Crops Variety Examination and by National Committee of Crops Variety Examination.