摘要
通过分析南充市各县区 7种主要作物品种在各个时期的种类及其演变过程 ,总结了作物品种演变的规律 ,并探讨了演变的原因 .结果表明 :主要作物品种均经历了从地方品种到杂交品种的变化 ,品种的抗性增强、产量增加 .
Main crop races at different stage and different area in Nanchong, China were analyzed, as well as their evolution. Conclusion can be drawn that these main races have undergone changes from local variety to hybrid, which have brought about increased production and resistance. Finally, the rules and causes of evolution have been studied.
出处
《四川师范学院学报（自然科学版）》
2001年第3期262-266,共5页
Journal of Sichuan Teachers College(Natural Science)
