| 不同杨树种类对烂皮病的抗性调查初报 |
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| 引用本文： | 李庆会,王国治.不同杨树种类对烂皮病的抗性调查初报[J].甘肃农业大学学报,1998,33(4):434-437. |
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| 作者姓名： | 李庆会 王国治 |
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| 作者单位： | 张掖地区林果业研究所!张掖，734000(李庆会)，张掖市林业局(王国治) |
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| 摘 要： | 对杨树试验区24个杨树新品系烂皮病自然感染情况进行了调查研究。结果表明：白杨派河北杨不同种源混合系、白杨派内杂交种锻新8315、山银8313、山毛8325二黑杨派或以黑杨派为母本、青杨派为父本或多父本杂交种以及以黑杨派为父母本的杂交种，或以实生选育的青杨派无性系表现为抗病（感病指数0～10．0）。白杨派椴新、银新、黑杨派天青×美表现为中抗（感病指数10．1～20．0）。白杨派内杂交种山毛、黑杨派（母本）与胡杨派（父本）的杂交种芦胡表现为中感（感病指数20．1以上）。
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| 关 键 词： | 杨树 烂皮病 抗病性 |
A Primary Report on the Resistance of Varieties of Populus to Valsa Sordida |
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| Li Qinghui.A Primary Report on the Resistance of Varieties of Populus to Valsa Sordida[J].Journal of Gansu Agricultural University,1998,33(4):434-437. |
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| Authors: | Li Qinghui |
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| Abstract: | An investigation has been made on the state infected with Valsa sordida of 24 clones of POopulus in the testing area and the results shozoed as fonows f the mixed series of Populus hopeiensis from different provenances; the hybrids of Sect. Albidae such as Populus hopeiensis×p.alba var. Pyramidalis 8315, p.davidiana ×P.alba 8313, p.davidiana×P. tomentosa 8325, the species of Sect. Aigeiros or hybrids of Sect. Aigeiros as the mother and Sect. Tacamahaca as the fainer as wen as the varieties of Sect. Aigetos as the parents or seedbreeding var eties of Sect. Tacamahaca showed strong resistance to the disease (infecting index 0-10.0). Populus hopeiensis×P.alba var. Pyramidalis and P.yinxinensi31 of Sect. Albidae as wen as P cathayana×P.pyramidlis of Sect. Aigeros showed medial resistance (infecting index 10.1-20.0). P. davidiana×P. tomemtosa of Sect. Albidae as wen as P. cannadensi×P. uphratica of Sect. Aigeiros as the mother and Sect. Turanga as the father showed medial infection (infecting index more than 20. 1). |
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| Keywords: | Populus Valsa sordida resistance to disease |
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