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当前位置: 首页 > 文章 > 食荚豌豆雄性不育突变体的遗传研究 华北农学报 2005,20 (1) 67-70
Position: Home > Articles > Genetic Study on the Male Sterile Mutant of Podedible Pea Acta Agriculturae Boreali-Sinica 2005,20 (1) 67-70

食荚豌豆雄性不育突变体的遗传研究

作  者：
纪玉忠;王郁铨;李召虎
单  位：
中国农业大学农学与生物技术学院;天津科润蔬菜研究所
关键词：
食荚豌豆;雄性不育;遗传;分离规律
摘  要：
对国内首例豌豆雄性不育突变体的不育度、遗传特点及稳定性进行研究。观察发现:在生育前期,不育株 外部形态特征与正常株没有明显差异;现蕾后,剥开花蕾可看到不育株的花药呈淡黄色半透明状,而可育株的花药呈 橙黄色。用I2-KI染色法镜检花粉的可染性,发现不育株的花药内没有花粉粒,败育彻底,为典型的"无花粉型"雄性 不育。用不育株作母本,与同品系的正常可育株进行姊妹交,F1全部可育,F2可育株与不育株的分离比例为3:1。用 不育株作母本,其他品系作父本进行测交,同时用其他品系作母本,姊妹交F1作父本进行反交,正反交后代的育性表 现一致,F1全部可育,F2可育株与不育株呈3:1分离。结果表明:该雄性不育突变体的不育性是可遗传的,属单隐性 基因控制的核不育类型,与细胞质遗传物质无关。在不同年份、不同季节下,不育性状表现稳定。
译  名：
Genetic Study on the Male Sterile Mutant of Podedible Pea
作  者：
JI Yu-zhong,WANG Yu-quan,LI Zhao-hu (College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094,China; Tianjin Kernel Vegetable Institute , Tianjin 300384, China)
关键词：
Podedible pea; Male sterility; Heredity; Law of segregation
摘  要：
A male sterile plant was found in the course of hybridization breeding of podedible pea. With the exception of its anthers being lightly yellow and half-transparent, and completely lack of pollens, its appearance was similar to that of normal fertile plant. In order to study the genetic characteristic and stability of the male sterile mutant this experiment was carried on. Sister cross was done between the male sterile plant and a few fertile plants as male parent from the same strain, its F1 plants all being fertile, and both fertile plants and sterile ones existing in its F2 , the ratio of which was consistent with 3 :1. Test cross was made between the male sterile mutant and several plants as male parent from other strains, at the same time reciprocal cross was carried on between some plants as female parent from other strains and F1 plants as male parent from sister cross. As a result, the fertility expression in progenies of test cross was the same as that of reciprocal cross, their F1 plants all being fertile, and both fertile plants and sterile ones emerging from their F2, the ratio of which was fit to 3:1 The result indicated that the male sterile character was genetic and due to a nuclear recessive gene, and stable in different years and seasons.

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