利用理化因素人工诱发突变以培育农作物新品种是现代育种的一条新途径,其中化学诱变剂由于使用方便、诱变效率较高以及有些诱变剂在诱变作用方面具有一定特异性,因此日益受到人们的重视并有加强发展的趋势。本文以大麦为材料,用不同浓度的EMS溶液处理种子,观察了幼苗的损伤情况并研究了细胞学效应,以期找出EMS对大麦诱变的适宜剂量,为进一步开展化学诱变育种工作提供一定的依据。 The use of physical and chemical factors to induce mutations in order to cultivate new crop varieties is a modern breeding a new way, of which chemical mutagens due to ease of use, higher mutagenic efficiency and some mutagens in the mutation has a certain specificity, so increasingly It is valued by people and has the tendency of strengthening development. In this paper, barley as the material, the seeds treated with different concentrations of EMS solution, observed the damage of seedlings and cytological effects in order to find the appropriate EMS mutagenesis dose of barley, to further carry out chemical mutagenesis breeding to provide certain The basis.