| 20年来我国冬油菜新品种产量和抗病性状分析 |
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| 引用本文： | 祝利霞,张冬晓,傅廷栋,沈金雄.20年来我国冬油菜新品种产量和抗病性状分析[J].中国农学通报,2010,26(24):375-380. |
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| 作者姓名： | 祝利霞 张冬晓 傅廷栋 沈金雄 |
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| 作者单位： | [1]华中农业大学国家油菜工程技术研究中心,武汉430070 [2]全国农业技术推广服务中心,北京100125 |
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| 摘 要： | 根据近20年来我国冬油菜区域试验的结果，对长江上、中、下游及黄淮4组油菜新品种产量性状及抗病性状进行分析，结果表明，冬油菜新品种平均产量整体呈上升趋势，各组平均单株有效角果数变化不明显，而平均每果粒数和千粒重呈上升趋势，但长江流域各组每角粒数增量比黄淮组大，而黄淮组千粒重增量比长江流域各组高；新品种菌核病和病毒病发病率下降明显。今后一段时间内增加新品种每角粒数和千粒重是冬油菜遗传改良的重点，预计我国冬油菜新品种区域试验各组新品种产量水平仍将继续提高。
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| 关 键 词： | 绿原酸 绿原酸 提取 杜仲叶 乙醇 |
| 收稿时间： | 5/8/2010 12:00:00 AM |
| 修稿时间： | 2010/6/18 0:00:00 |
Analysis of yield and disease resistance traits of new winter rapeseed variety in the past twenty years in China |
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| Zhu Lixia,Zhang Dongxiao,Fu Tingdong,Shen Jinxiong.Analysis of yield and disease resistance traits of new winter rapeseed variety in the past twenty years in China[J].Chinese Agricultural Science Bulletin,2010,26(24):375-380. |
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| Authors: | Zhu Lixia Zhang Dongxiao Fu Tingdong Shen Jinxiong |
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| Institution: | 1 National Research Center of Rapeseed Engineering and Technology , Huazhong Agricultural University , Wuhan 430070; 2 National Agricultural Technology Extension and Service Center of China , Beijing 100125) |
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| Abstract: | Based on the results of the national regional trail for winter type rapeseed in four groups, the upper, middle and Lower Yangtze River and Yellow and Huai River in the past twenty years, new varieties showed upward trend in average yield. The changes of average effective pods per plant were not significant in any group, but the number of seeds per pod and 1000-seed weight had moved up. However, The increment of seeds per pod in the 3 Yangtze River groups was higher than that in Yellow and Huai River group, while the increment of 1000-seed weight was just opposite. Resistances of new varieties to Sclerotinia sclerotiorum and viral disease had increased continuously in past twenty years , Particularly the lowest incidence of Sclerotinia sclerotiorum down to 5%. Genetic improvement for winter type rapeseed should be focus on seeds per pod and 1000-seed weight in the future, and seed yield of new varieties in all four groups is expected to increase. |
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| Keywords: | winter type rapeseed new variety yield trait disease resistance trait |
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