常规稻即可以留种且后代不分离的水稻品种。常规稻不像杂交稻必须杂交第一代种子才能留种，而是通过选育、提纯、能保持本品种的特征特性不变，自交可以留种。
杂交稻脯氨酸含量上升的趋势大于常规稻。
The increase of proline content in hybrid rice was more than that in traditional rice.
对东北杂交稻与常规稻的产量形成过程和产量结构进行了分析。
The process of forming yield and their components of hybrid and conventional rice in Northern China were analyzed.
不同的宗谱在杂交稻与常规稻上的分布存在差异，有着自己的优势寄主。
The distribution of each genetic lineage is different in hybridized rice and conventional rice and there are special host for each genetic lineage.
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