但现行的三系杂交水稻制种技术，自播种至收获完全依靠人工操作，工序繁杂。
Now the process of the hybrid seed production mainly relies on manual, the working procedure is very burdensome.
简要回顾了我国三系杂交水稻的育种历程，重温了其育种经验，分析了杂交小麦研究落后于杂交水稻的原因。
This paper briefly looks back on the breeding history of three line hybrid rice and reviewed its breeding experience. The reason that hybrid wheat studies lag behind hybrid rice is analyzed.
以具广泛代表性的6个不育系和9 个恢复系及其配制的54 个组合为材料研究了现有籼型三系杂交水稻米质状况。
The grain quality of the existing three line indica hybrid rice was studied with widely used 6 A lines, 9 R lines and their 54 hybrids as the materials.
经20余年的努力，成功育成了一批基本符合上述目标的杂交水稻新三系和组合，并陆续投放于大面积生产，产生了较大经济、社会和生态效益。
Succeeded after more than 20 years, we have breeded one batch that basically to conform to the above goal hybrid rice and put in the production for a big area, society and ecology in Enshi prefecture.
杂交水稻与其三系茎、叶解剖的比较有些区别。
There are some differences in stem and leaf structure between hybrid rice and its three lines.
杂交水稻与其三系茎、叶解剖的比较有些区别。
There are some differences in stem and leaf structure between hybrid rice and its three lines.
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