论文部分内容阅读
本文分析了氮离子注入处理棉花种子诱发Ｍ１植株第二真叶过氧化物酶同功酶（ＩＰＯ）变异的遗传表现；Ｍ＝ＩＰＯ和农艺性状变异的频率及类型，探讨了剂量效应及ＩＰＯ变异与农艺性状变异的关系。结果表明：Ｍ１ＩＰＯ变异有些是非遗传的，Ｍ２中ＩＰＯ不同酶带对氨离子注入的敏感性及最佳诱变剂量不同；氮离子注入能诱发较高频率的ＩＰＯ变异及数量性状和多个性状的同时变异，可在较轻的Ｍ１损伤下获得较高的Ｍ２农艺性状变异频率，Ｍ２ＩＰＯ和农艺性状变异频率与Ｍ１ＩＰＯ变异频率的关系可用Ｙ＝Ａ＋ＢＸ＋ＣＸ２来描述。在Ｍ２铃数和早熟性变异株中均可观察到第二真叶ＩＰＯ第８条酶带，而铃重和株高变异株中可观察到第６条酶带。
In this paper, we analyzed the genetic behavior of the second true leaf isoenzyme (IPE) variation in cotton plants induced by nitrogen ion implantation and the frequency and type of M = IPO and agronomic traits. The effects of dose and IPO Relationship with Agronomic Traits Variation. The results showed that some of the M1IPO variants were non-inherited. The sensitivity and the best mutagenic dose of different IPMO bands in M2 were different for ammonia ion implantation. Nitrogen ion implantation induced higher frequency of IPO mutation and quantitative traits and multiple traits At the same time, the mutation frequency of M1 agronomic trait can be higher under the lesser M1 damage. The relationship between M2IPO mutation frequency of agronomic traits and M1IPO mutation frequency can be described by Y = A + BX + CX2. In the M2 bell number and precocious mutant can be observed in the second true leaf IPO Article 8 bands, and the bell weight and plant height variant can be observed in the first 6 bands.