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毛竹叶斑枯病的损失估测及防治指标
引用本文:赵芳. 毛竹叶斑枯病的损失估测及防治指标[J]. 福建林学院学报, 2005, 25(4): 338-343
作者姓名:赵芳
作者单位:福建省延平区林业局,福建南平353000
基金项目:福建省林业厅科技项目(闽林科[1998]10号);福建省南平市延平区科技项目(352101-2004012).
摘    要:
研究表明,当毛竹(Phyllostachys heterocyclacv.Pubescens)对叶斑枯病(Coccostroma arundi-nariae)中度或重度感病时,新竹的直径生长、重量均受到严重影响,成竹的竹壁物质积累下降,感病林分的出笋量大大减少,严重阻碍了毛竹生产的发展.用材林的损失估测模型以逻辑斯蒂模型为最优:L=24.236 1/[(1+20.908 1exp(-0.107 1X)];笋用林的损失估测模型以简单线性回归模型为最优:L=5.0209+0.702 9X.

关 键 词:毛竹  叶斑枯病  竹独足座菌  损失估计  防治指标
文章编号:1001-389X(2005)04-0338-06
收稿时间:2005-05-10
修稿时间:2005-08-22

The loss estimation control criterion of leaf spot blight (Coccostroma arundinariae)of Phyllostachys heterocycla cv.Pubescens
ZHAO Fang. The loss estimation control criterion of leaf spot blight (Coccostroma arundinariae)of Phyllostachys heterocycla cv.Pubescens[J]. Journal of Fujian College of Forestry, 2005, 25(4): 338-343
Authors:ZHAO Fang
Affiliation:YanDing Forestry Bureau of Fuiiag Province, Nanping 353000, China
Abstract:
The results show that when Phyllostachys heterocycla cv.Pubescens are infected with leaf spot blight(Coccostroma arundinariae) at middle or serious level,the diameter and weight growth of one-year-old bamboo and the accumulation of the substance of the stem of grown-up bamboo will decrease.This will impede the development of the production of bamboo seriously.Accordingly,different models of determination of the loss of the disease are made.The logistic model of lumber-producing stand is the best:L=24.236 1/[1+20.980 1×exp(-0.107 1X)].The linear model of shoot-producing stand is the best:(L=5.020 9+0.702 9X.)
Keywords:Phyllostachys heterocycla ev. Pubeseens   leaf spot blight   Coccostroma arundinariae   loss estimation   control criterion
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