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在长期的牡丹育种工作中,我们积累了培育牡丹新品种的有效手段和丰富经验,也发现了其中存在的不少问题,思考探索了一些突破的路径。谈出来,希望与大家共同探讨。亲本选择问题通过对牡丹杂交育种中主要性状遗传规律的观察分析,我们发现牡丹在花色、花型、花期等性状的遗传方面,后代受母本性状影响较大,以致于牡丹与芍药的反交后代基本表现为芍药性状,这可能与胞质基因的作用有关。在基因重组过程中,由于非加性效应的丢失,表现为优良经济性状的严重衰退。因此建议定向杂交育种确定亲本时,在大方向确定的前提下,要突出主要目标,兼顾
In the long-term peony breeding work, we have accumulated effective means and rich experience in cultivating new peony varieties, and also found many problems in them. We have explored some breakthrough paths. Talked about, I hope we can discuss with you. Pear Selection Through the observation and analysis of the genetic traits of major traits in crossbreeding of peony, we found that peony has a great influence on the inheritance of flower traits, flower type, flowering and other traits, The basic performance of offspring peony traits, which may be related to the role of cytosolic genes. During gene recombination, due to the loss of non-additive effects, it appears as a serious recession of good economic traits. Therefore, it is suggested that when targeted hybridization and breeding are to determine the parents, under the premise of determining the general direction, we should highlight the main objectives