| 南充市主要作物品种演变及其原因探讨 |
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| 引用本文： | 王琼 唐开伦 等. 南充市主要作物品种演变及其原因探讨[J]. 西华师范大学学报(哲学社会科学版), 2001, 22(3): 262-266 |
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| 作者姓名： | 王琼 唐开伦 等 |
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| 作者单位： | [1]四川师范学院环境科学与生物多样性保护省级重点实验室，四川有637002 [2]四川南充市农业局，四川南充637000 |
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| 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。
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| 关 键 词： | 作物 品种演变 南充市 演变规律 品种抗性 产量 水稻 小麦 玉米 红薯 |
| 文章编号： | 1001-8220(2001)03-0262-05 |
| 修稿时间： | 2001-03-23 |
Study on the Evolution of Main Crop Races in Nanchong and Their Causes |
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| WANG Qiong ,TANG Ze_sheng ,SU Zhi_xian ,HE Qing_jun ,TANG Kai_lun. Study on the Evolution of Main Crop Races in Nanchong and Their Causes[J]. Journal of China West Normal University:Natural Science Edition, 2001, 22(3): 262-266 |
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| Authors: | WANG Qiong TANG Ze_sheng SU Zhi_xian HE Qing_jun TANG Kai_lun |
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| Affiliation: | WANG Qiong 1,TANG Ze_sheng 1,SU Zhi_xian 1,HE Qing_jun 1,TANG Kai_lun 2 |
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| Abstract: | 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. |
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| Keywords: | crop race evolution Nanchong. |
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