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采用幼苗砂培法,测定了甲草胺对高粱杂交种和自交系的幼根和幼芽鲜重的影响。结果表明,不同高粱品种对甲草胺的敏感性不同,各品种幼芽对药剂的敏感性差异比根明显;同一品种幼根和幼芽对甲草胺的敏感性反应亦不同,二者鲜重抑制率IC50相关性不显著。
Seedling sand culture was used to determine the effects of alachlor on the fresh weight of young roots and young shoots of sorghum hybrids and inbred lines. The results showed that the sensitivity of different sorghum varieties to alachlor was different, the sensitivity of different varieties of shoots was more obvious than that of roots. The sensitivity of young shoots and young shoots to alachlor was also different Heavy repression rate IC50 correlation was not significant.