【摘要】 远缘杂交是创造新物种的有效手段 ,但由于亲缘关系的原因其利用受到一定的限制。从远缘杂交的不亲和性表现、产生的机制、解决的办法及其远缘杂交在不同方面的应用等总结了最新的进展。更多还原

【Abstract】 Wide_cross is a main way to obtain new germplasm resources.But its application is restricted due to the isolation of relations.Many achievements have been made since the utilization of wide_cross in the pratctice.The paper summarized the latest development in this fields,such as the performance and mechanism of imcompability,ways to solve the problems and the application of widecross.更多还原