论文部分内容阅读
通过三年的实验结果表明,T 型杂种小麦的过氧化物酶同工酶具有不同的酶谱类型.在小麦的不同发育时期酶谱类型的表现不同。实验说明过氧化物酶同工酶是受核基因控制的,此外,也说明细胞质对酶谱的表现有影响。同时,由于恢复系对杂种后代有较大的影响,使杂种的酶带多倾向于父本。至于杂种的酶谱与杂种优势的关系,凡是呈现杂种酶型或互补酶型的杂种,一般优势强,但是,这种情况不是绝对的,有些不具杂种酶带的组合(如偏父本型)也有一定的杂种优势。由于过氧化物酶同工酶的特异性不够明显,不同发育时期表现也不十分稳定,因此,影响杂种优势予测的准确性.
The results of three years showed that the peroxidase isozymes of T-type hybrid wheat had different types of zymogram, and the types of zymogram were different at different wheat developmental stages. Experiments show that peroxidase isozymes are controlled by nuclear genes, in addition, also shows that the cytoplasm of the performance of the enzyme spectrum. At the same time, the restorer lines have a greater impact on the offspring of hybrids, so that the hybrid enzymes tend to be more paternal. As for the hybrid zymogram and heterosis, hybrids or hybrid enzymes showing hybrids generally have strong advantages, however, this situation is not absolute, and some do not have a combination of hybrid enzyme bands (such as the paternal type) There are also some hybrids. As the peroxidase isoenzyme specificity is not obvious enough, the performance of different developmental stages are not very stable, thus affecting the accuracy of heterosis.