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用6个提型不育系和6个相应保持系为母本,4个恢复源为父本配成24个杂交小麦组合和24个相应系保持系杂种。大多数杂交小麦在单株产量上比相应保持系杂种F_1减产。但一些以6172(普里美皮恢复源)为父本和以mst九兰39为母本的组合却表现增产。方差分析结果表明:恢复源间,母本基因型间及两者互作对增减产的效应差异显著。因恢复源增产的杂交小麦每小穗平均粒数增多,因母本基因型效应增产的则每株穗数增多。提型胞质杂交小麦比相应保持系杂种增产可能是核质互作的结果。它表明,如果亲本选配得当,杂交小麦不但可以充分发挥由核基因互作产生的杂种优势,而且还可能得到核质杂种的有利效应。提型胞质杂交小麦的株高和穗数普遍比相应保持系杂种降低。各个不育系对不同恢复源的易恢复性有很大的差别,所以只要掌握恢复源多样化,在未转育不育系前似可不必先对轮回亲本作易恢复性测定。
Six male sterility lines and six corresponding maintainer lines were used as female parent, and four restorer lines were used as male parents to make 24 hybrid wheat combinations and 24 corresponding maintainer lines. Most hybrid wheat reduced yield per plant more than the corresponding maintainer hybrid F1. However, some combinations that use 6172 (Primrest Restoration Source) as the male parent and mst ninety-nine as the female parent have shown increased yield. Analysis of variance showed that there were significant differences in the effects of the interaction between the restorer and maternal genotypes on the increase and decrease of yield. The average number of spikelets per panicle increased due to the increase of yield and the number of panicle per plant increased due to the increase of maternal genotype. The cytoplasm interaction of the cytoplasm in the cytoplasm could increase the yield of hybrid cytoplasm than the corresponding maintainer. It shows that hybrids can not only give full play to heterosis produced by nuclear gene interaction but also gain beneficial effects of nuclear hybrids if the parents are properly selected. The cytoplasm and panicle number of the cytoplasm-type hybrids in the cytoplasm were generally lower than those in the corresponding maintainer lines. Respectively, male sterile lines have very different recoveries from different restoration sources. Therefore, as long as diversification of restoration sources is obtained, it may not be necessary to determine the recoverability of reincarnated parents in non-sterile lines.