| 张山林1,陈秀蓉2,马艳芳1.梨叶枯病发生规律与诱病因子研究[J].植物保护,2000,26(5):11-13. |
| 梨叶枯病发生规律与诱病因子研究 |
| Studies on the occurrence and disease inducing factor of pear leaf spot |
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| DOI： |
| 中文关键词: 梨叶枯病 侵染循环 诱病因子 |
| 英文关键词:Phaeoramularia pyrigena occurrence disease inducing factor |
| 基金项目: |
| 张山林1 陈秀蓉2 马艳芳1 |
| 1.甘肃省临夏州森林病虫害防治检疫站,甘肃临夏731100;2.甘肃农业大学植保系,甘肃兰州730070 |
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| 中文摘要: |
| 梨叶枯病 (Mycovellosiella pyricola Guo,Chen&Zhang)是梨树新病害 ,分布于甘肃临夏、兰州、定西等地。病菌以子座在病落叶上越冬 ,翌年 6月初显症 ,8月中、下旬发病达高峰期。降雨量、湿度是主要诱病因子 ,立地条件和各种栽培措施对病害也有一定影响 |
| 英文摘要: |
| Leaf spot disease (Phaeoramularia pyrigena S. K. Singh at R. K. Chaudhary) was a newly reported disease of pear in China occurred in Linxia, Lanzhou, Tianshui, Dingxi areas of Gansu Province. Stroma on fallen leaves overwintering produced conidia in next spring and caused the symptom in early June. The disease reached peak of epidemic in mid or late August after several secondary infections. Precipitation and humidity were major disease inducing factor. Standing site and management pratice also had effects on this disease. |
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