小麦随机多交后代中抗条锈(Puccinia striiformis)性的选择

作物学报 ›› 1991, Vol. 17 ›› Issue (02): 107-114.

小麦随机多交后代中抗条锈(Puccinia striiformis)性的选择

冯锋;曾士迈;张树榛

北京农业大学; 研究生北京市植物实验室工作细胞工程

收稿日期:1990-04-20 修回日期:1990-08-21 出版日期:1991-03-12 网络出版日期:1991-03-12

The Selection of Resistance to Stripe Rust(Puccinia striiformis)from Progenies of Random Poly-Crosses of Wheat(Triticum aestivum L.)

Feng Feng; Zeng Shimai; Zhang Shuzhen

Beijing Agricultural University

Received:1990-04-20 Revised:1990-08-21 Published:1991-03-12 Published online:1991-03-12

摘要/Abstract

摘要： 本试验用16个被认为可能具有水平抗性的小麦品种为基础材料,采用乙烯利化学杀雄或太谷核不育为手段进行随机多交,以相对抗病性综合指数(RRCI)表示抗病性强度,研究了小麦条锈病水平抗性的遗传力及人工选择下的遗传进度,结果指出:1)随机多交的后代系统中,出现了一些抗条锈性显著高于优良亲本的系统。2)抗条锈性的遗传力较高:化

关键词: 水平抗性, 随机多交, 遗传进度

Abstract: Sixteen wheat cultivars with partial resistance to stripe rust were randomly poly-crossed for three successive years,using chemical emasculation or Tal male sterility.The F_6 generation of chemically emasculated material and the F_4 generation of Talmale sterile material,referred to as CSo and TSo r

Key words: Horizontal resistance, Random poly-cross, Genetic advance

冯锋;曾士迈;张树榛. 小麦随机多交后代中抗条锈(Puccinia striiformis)性的选择[J]. 作物学报, 1991, 17(02): 107-114.

Feng Feng; Zeng Shimai; Zhang Shuzhen. The Selection of Resistance to Stripe Rust(Puccinia striiformis)from Progenies of Random Poly-Crosses of Wheat(Triticum aestivum L.)[J]. Acta Agron Sin, 1991, 17(02): 107-114.

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