小麦K型雄性不育系易恢性的差异研究

doi:10.7668/hbnxb.2008.05.015

摘要/Abstract

摘要： 在两种环境条件下对1个K型不育系与12个恢复系组配的192个杂交组合的恢复度进行了鉴定，研究了不同不育系易恢性的差异以及恢复系的恢复力表现。结果表明，在1个不育系中，豫麦3号、豫农93019、豫农93151和漯珍1号的平均恢复度都在70%以上，为易恢性好的类型；豫教1号、豫农93221、S33、豫农9239、豫农9238和豫农92382的平均恢复度在0%～70%，为易恢性中等的类型；MS43、S34、豫麦21号、S43、矮8205和豫农212M2的平均恢复度在0%以下，为易恢性差的类型。在12个恢复系中，携带2对恢复基因的豫麦2号不仅平均恢复度高，而且在不同不育系间恢复力最稳定；豫麦54号和豫麦号的恢复力最差，二者均没有携带Rfv1基因。不育系与恢复系间存在一定的互作效应。

关键词: 小麦, K型不育系, 育性恢复, 易恢性

Abstract: One hundred and ninety-two hybrids were crossed by sixteen A-lines and twelve R lines,and their restoring degrees were obtained in two different environments.The results showed that among the sixteen A-lines,the average restoring degree of Yumai 3,Yunong 93221,Yunong 93151 and Luozhen 1 were more than 70% and were divided the sterile lines easy to be restored.Yujiao1,Yunong 93019,S33,Yunong 92369,Yunong 92368 and Yunong 92382 were in the middle for ERF,and their average restoring degrees were between 60% and 70%.MS43,S34,Yumai21,S43,Ai82056 and Yunong 212M2 were difficult to be restored,and their average restoring degrees were under 60%.Among twelve R-lines,Yumai 2 with two fertility restorer genes had the strongest and the most stable restoring ability to different A-line,while Yumai 54 and Yumai 49 without Rfv1 had the lowest restoring ability.There existed some interaction between A-line and R-line.

Key words: Wheat, Male sterile line with Ae.kotschyi cytoplasm, Fertility restoration, Easy restoration of fertility

中图分类号:

S512

詹克慧, 高翔, 程西永, 许海霞, 董中东, 崔党群. 小麦K型雄性不育系易恢性的差异研究[J]. 华北农学报, 2008, 23(5): 67-72. doi: 10.7668/hbnxb.2008.05.015.

ZHAN Ke-hui, GAO Xiang, CHENG Xi-yong, XU Hai-xia, DONG Zhong-dong, CUI Dang-qun. Easy Restoration of Fertility for Male Sterile Line with Ae.kotschyi Cytoplasm in Wheat (Triticum aestivum(L.)Thell.)[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(5): 67-72. doi: 10.7668/hbnxb.2008.05.015.

http://www.hbnxb.net/CN/Y2008/V23/I5/67

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