优质抗病杂交糯稻不育系闽农糯6A的选育及应用
投稿时间:2019-07-21  修订日期:2019-08-14  点此下载全文
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作者单位E-mail
黄荣华 福建农林大学作物科学学院 2263394296@qq.com 
范富英 福建农林大学作物科学学院  
基金项目:福建省高校产学合作项目“优质高产抗病杂交糯稻的高效选育与推广应用”( 2018N5006);国家重点研发计划项目“七大农作物育种”重点专项“华南籼稻优质高产高效新品种培育”(2017YFD0100100)。
中文摘要:用剂量为0.35 kGy的60Co-γ射线辐照保持系闽农B干种子,在其M2带胚糙米群体获得10粒糯质基因突变体,记为闽农糯1B~闽农糯10B。选择最优突变体闽农糯6B作父本,与深97A杂交、再回交2次,育成闽农糯6A。除直链淀粉含量差异显著外,闽农糯6A与深97A具有相同的生育期,十分相似的农艺性状、穗部性状、花粉不育特性以及配合力。闽农糯6A于2019年5月通过福建省农作物品种审定委员会审定(闽审稻20190048)。介绍了闽农糯6A的选育经过、主要生物学特性、异交特性、稻米品质、抗病性及配制杂种表现。
中文关键词:杂交糯稻  糯稻不育系  闽农糯6A  优质  抗病
 
Development and Application of Waxy Hybrid Rice CMS-line Minnongnuo 6A with Good Grain Quality and Disease Resistance
Abstract:After dry seeds of maintainer line Minnong B were treated with γ-ray of 60Co at the dosage of 0.35kGy, waxy mutants named Minnongnuo 1B to Minnongnuo10B were obtained from M2 brown rice population with embryo. Minnongnuo 6A was developed through Shen 97A crossed and backcrossed twice with the optimal mutant Minnongnuo 6B. Except for the amylase content existed significant difference, Minnongnuo 6A and Shen 97A have the same growth duration, very similar characteristics of agronomy, panicle spikelet,pollen fertility and combining ability etc. Minnongnuo 6A was registered and released for commercial production by Fujian Crop Variety Appraisal Committee in May 2019 (Minshendao 20190048). The breeding procedure, main biological characteristics, combining ability, grain quality, disease resistance of Minnongnuo 6A and the performance of it’s waxy hybrid rice combination were introduced in this paper.
keywords:waxy hybrid rice combination  waxy cytoplasmic male sterility line  Minnongnuo 6A  good grain quality  disease resistance
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