国外松松针褐斑病流行的区域性分析(PDF)
《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]
- Issue:
- 1991年03期
- Page:
- 6-11
- Column:
- 研究论文
- publishdate:
- 1900-01-01
Article Info:/Info
- Title:
- EPIDEMIC REGIONAL ANALYSIS OF BROWN SPOT NEEDLE BLIGHT OF SLASH PINE AND LOBLOLLY PINE
- Article ID:
- 1000-2006(1991)03-0006-06
- Author(s):
- Han Zhengmin Ye Jianren Li Chuandao (Nanjing Forestry University)Xu Guanghui
- Forestry Research Institute of Yichuen, Jiangxi Province
- Keywords:
- Slash pine; Loblolly pine; Lecanosticta acicola; Disease epidemic zone
- Classification number :
- -
- DOI:
- 10.3969/j.jssn.1000-2006.1991.03.002
- Document Code:
- A
- Abstract:
- 3 types of brown-spot needle blight (Lecanosticta acicola) in epidemic zones were divided on the basis of investigation into disease damage and disease characteristics of 14 forest farms in Fujian, Guangdong, Guangxi and Jiangxi Provinces (or autonomous regions). They are primary epidemic zones, accidental epidemic zones and non-damage zones. Regression equation was built on the standing damage of 14-16 years slash pine and climatic factors of 14 forest farms. The epidemic degree of brown-spot needle blight in southern China was forecasted according to the regression equation.
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1900-01-01