作物学报2000,Vol.26Issue(5):570-574,5.
玉米高频率孤雌生殖单倍体诱导系的选育与鉴定
The Breeding and Identification of Haploid Inducer with High Frequency Parthenogenesis in Maize
摘要
Abstract
Through successive testcrosses and selections in subsequent generations of a hybrid between haploid inducer Stock6 and Beijing High Oil population (BHO), we have developed the first parthenogenesis haploid inducer-CAU Inducer in China.In sixteen testcrosses with CAU Inducer as pollinator, the induced haploid percentages were determined. The frequency of haploid induced from inbred 411 was the highest (9.2%), and that from inbred H4 was the lowest (1.92%).The average percentage of haploid induced from all of the sixteen materials was 5.34%. With virescent inbred line Syn695yg as haploid tester,the percentage of haploid induced by CAU Inducer was 5.8%, about six times as that induced by Stock6.Apart from more obvious Navajo marker than that of Stock6, CAU Inducer also has purple plant marker conditioned by ABPl genes and large germ face. Moreover, with its large pollen shedding and easy propagation,CAU Inducer is a good material for parthenogenesis haploid inducing.关键词
玉米/孤雌生殖单倍体/单倍体诱导系/选育/高诱1号Key words
Maize/Parthenogenesis haploid/Haploid inducer/Breeding/CAU Inducer分类
农业科技引用本文复制引用
刘志增,宋同明..玉米高频率孤雌生殖单倍体诱导系的选育与鉴定[J].作物学报,2000,26(5):570-574,5.基金项目
国家自然科学基金项目(39570439) (39570439)