抗白叶枯病弱感光型杂交稻恢复系广恢1002的选育与应用

S332.2; 培育和推广抗病抗逆性强的弱感光型迟熟水稻品种,对于充分发挥华南稻区中南部晚造后期良好的光温资源优势提高晚稻产量和品质具有十分重要的意义.综合利用常规育种与分子育种技术,将显性广谱抗白叶枯病基因Xa7和互作感光基因LP1(LH2)、LP2(LH2)聚合至恢复系中,培育出具有互作感光特性的抗白叶枯病迟熟恢复系广恢1002.利用该恢复系组配育成的吉丰优1002、泰优1002等7个抗白叶枯病迟熟高产杂交稻通过国家或省级品种审定.其中,吉丰优1002不仅高产稳产,而且抗病、抗倒性强,适应性广,被农业农村部认定为超级稻,是广东省农业主导品种,已连续5年成为华南地区年推广面积最大的弱感光型品...

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Published in广东农业科学 Vol. 49; no. 9; pp. 74 - 83
Main Authors 王丰, 柳武革, 黄慧君, 朱满山, 李金华, 廖亦龙, 付崇允, 刘迪林, 曾学勤, 马晓智, 霍兴, 孔乐
Format Journal Article
LanguageChinese
Published 广东省农业科学院水稻研究所/广东省水稻育种新技术重点实验室/广东省水稻工程实验室/农业农村部华南优质稻遗传育种重点实验室,广东广州 510640 2022
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ISSN1004-874X
DOI10.16768/j.issn.1004-874X.2022.09.008

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Abstract S332.2; 培育和推广抗病抗逆性强的弱感光型迟熟水稻品种,对于充分发挥华南稻区中南部晚造后期良好的光温资源优势提高晚稻产量和品质具有十分重要的意义.综合利用常规育种与分子育种技术,将显性广谱抗白叶枯病基因Xa7和互作感光基因LP1(LH2)、LP2(LH2)聚合至恢复系中,培育出具有互作感光特性的抗白叶枯病迟熟恢复系广恢1002.利用该恢复系组配育成的吉丰优1002、泰优1002等7个抗白叶枯病迟熟高产杂交稻通过国家或省级品种审定.其中,吉丰优1002不仅高产稳产,而且抗病、抗倒性强,适应性广,被农业农村部认定为超级稻,是广东省农业主导品种,已连续5年成为华南地区年推广面积最大的弱感光型品种;泰优1002米质优,在第三届全国优质稻品种食味鉴评中获金奖,已大面积推广应用,也是广东省农业主导品种.针对广恢1002系列杂交稻的特征特性,制订其在广东和海南的高产制种技术措施,创造了吉丰优1002在海南制种4.59~4.97 t/hm2的高产制种记录.探讨了抗白叶枯病杂交稻的育种策略和提高互作感光型迟熟恢复系选育效率的方法.
AbstractList S332.2; 培育和推广抗病抗逆性强的弱感光型迟熟水稻品种,对于充分发挥华南稻区中南部晚造后期良好的光温资源优势提高晚稻产量和品质具有十分重要的意义.综合利用常规育种与分子育种技术,将显性广谱抗白叶枯病基因Xa7和互作感光基因LP1(LH2)、LP2(LH2)聚合至恢复系中,培育出具有互作感光特性的抗白叶枯病迟熟恢复系广恢1002.利用该恢复系组配育成的吉丰优1002、泰优1002等7个抗白叶枯病迟熟高产杂交稻通过国家或省级品种审定.其中,吉丰优1002不仅高产稳产,而且抗病、抗倒性强,适应性广,被农业农村部认定为超级稻,是广东省农业主导品种,已连续5年成为华南地区年推广面积最大的弱感光型品种;泰优1002米质优,在第三届全国优质稻品种食味鉴评中获金奖,已大面积推广应用,也是广东省农业主导品种.针对广恢1002系列杂交稻的特征特性,制订其在广东和海南的高产制种技术措施,创造了吉丰优1002在海南制种4.59~4.97 t/hm2的高产制种记录.探讨了抗白叶枯病杂交稻的育种策略和提高互作感光型迟熟恢复系选育效率的方法.
Author 朱满山
付崇允
曾学勤
刘迪林
马晓智
柳武革
霍兴
廖亦龙
孔乐
黄慧君
王丰
李金华
AuthorAffiliation 广东省农业科学院水稻研究所/广东省水稻育种新技术重点实验室/广东省水稻工程实验室/农业农村部华南优质稻遗传育种重点实验室,广东广州 510640
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Author_FL KONG Le
WANG Feng
HUANG Huijun
ZHU Manshan
LIAO Yilong
ZENG Xueqing
LI Jinhua
LIU Dilin
FU Chongyun
MA Xiaozhi
HUO Xing
LIU Wuge
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Keywords 抗白叶枯病
弱感光
分子标记辅助选择
育种
杂交稻
恢复系
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Title 抗白叶枯病弱感光型杂交稻恢复系广恢1002的选育与应用
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