| 杨树新品种抗溃疡病和黑斑病研究 |
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| 引用本文： | 向玉英,朱湘渝,侯艳. 杨树新品种抗溃疡病和黑斑病研究[J]. 林业科学研究, 1992, 5(4): 423-428 |
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| 作者姓名： | 向玉英 朱湘渝 侯艳 |
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| 作者单位： | 中国林业科学研究院林业研究所(向玉英，朱湘渝)，中国林业科学研究院林业研究所(侯艳) |
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| 摘 要： |
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| 关 键 词： | 抗病性 溃疡病 黑斑病 杨树 品种 |
| 收稿时间： | 1991-02-22 |
Study on the Disease Resistance of New Poplar Cultivars to Trunk Cancer, Dothiorella gregaria, and Leaf Black Spot, Marssonina brunnea |
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| Xiang Yuying,Zhu Xiangyu and Hou Yan. Study on the Disease Resistance of New Poplar Cultivars to Trunk Cancer, Dothiorella gregaria, and Leaf Black Spot, Marssonina brunnea[J]. Forest Research, 1992, 5(4): 423-428 |
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| Authors: | Xiang Yuying Zhu Xiangyu Hou Yan |
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| Affiliation: | The Research Institute of Forcstry CAF |
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| Abstract: | In 1981~1990, the resistance trials both in the field and lab. in North China demonstrate that poplar cultivars, Zhonglin-115, Zhonglin-319, Zhoiiglin-34 are new ones, which are resistant to poplar trunk cancer, Dothiorella gregaria, and leaf black spot, Marssonina brunnea. They are more resistant than P. bcijingensis and I-214. Their incidence rate of trunk cancer is 80 %~100 % lower than that of P. 'popularis', and that of black spot is 80% lower than that of P. x canadensis, I-214, Pl5A. They are also rather resistant to other diseases and insect pests, such as, the longhorn beetle etc. They are also fine improved cultivars of fast-growing, high quality, easy propagation, high survival rate and adaptability and they have been extending on a large scale. |
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| Keywords: | new poplar cultivars resistance Dothiorella gregaria Marssonina brunnea |
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