糜子化学杀雄剂筛选及杀雄效果研究初报

Acta Agriculturae Boreali-Occidentalis Sinica(2011)

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Abstract
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。
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Key words
Chemical hybridizing agent,Herbicide,Prosomillet,Male sterility
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