糜子化学杀雄剂筛选及杀雄效果研究初报  

Screening for Millet Chemical Hybridizing Agents and Their Effect on Male Sterility

作　　者：张小东[1] 冯佰利[1] 王鹏科[1] 赵如浪[1] 屈洋[1] 于澄宇[1] 柴岩[1] 

机构地区：[1]西北农林科技大学农学院,陕西杨凌712100

出　　处：《西北农业学报》2011年第8期77-81,共5页Acta Agriculturae Boreali-occidentalis Sinica

基　　金：农业部公益性行业(农业)科研专项(200903007);国家谷子糜子产业技术体系(CARS-07-12.5-A9);西北农林科技大学唐仲英育种基金(05Yz017-1)

摘　　要：以榆糜2号为材料,研究22种药剂对糜子的杀雄效应,为糜子化杀剂筛选奠定基础。结果表明,不同杀雄剂的杀雄效果有差异,在参试的22种药剂中,豆草特和SQ-1诱导雄性不育率均超过95%;当剂量增大时,雄性不育率与杂交率升高,但自然授粉结实率降低;SQ-1在不同剂量处理条件下,自然授粉结实率差异较大,豆草特较小;喷施SQ-1后,糜子农艺性状改变不明显,而豆草特对糜子的生长影响较大。The effect of 22 chemical drugs on induced male sterility of Yumi 2 was compared to set a base for the selection of millet chemical hybridizing agent.The results showed that different chemical drugs had different effects.Of the 22 tested chemical drugs,male sterility rate induced by imazethapyr and SQ-1 were both over 95%.With the increase of dosage,male sterility rate and crossing rate increased,but seed-setting rate of natural pollination decreased;The seed-setting rates of natural pollination in high and low dosage treatment of SQ-1 had large differences,but those of imazethapyr was smaller.The agronomic characteristics of prosomillet treated by SQ-1 was not obvious,however,the influence treated by imazethapyr to be bigger compared to SQ-1.

关 键 词：除草剂 糜子 化学杀雄剂 雄性不育 

分 类 号：S516[农业科学—作物学]