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松针褐斑病调查和病原鉴定(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1986年02期
Page:
11-18
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
INVESTIGATION ON BROWN-SPOT NEEDLE BLIGHT OF PINES IN CHINA
Article ID:
1000-2006(1986)02-0011-08
Author(s):
Li Chuandao Zku XiqiaoHan Zhengmin Zhang Jiuneng & Shen Bokui (Nanjing Institute of Forestry)Zhang Zhenhe & Zheng Weipeng (Forestry Research Institute Fujian Province)Zou Kunming & Shi Fcngyun
Nanjing Technical School of Forestry
Keywords:
Brown-spot needle blight of pine Lecanosticta acicola Pinus elliottii Pinus taeda Pinus thunbergii
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1986.02.002
Document Code:
A
Abstract:
The brown-spot needle blight which destroyed hundreds has of young plantations of exotic pines has been found in southeast China since 1S78. The exotic pines, Pinus elliottii, P. taeda and P. thunbergii are severely damaged, P, palustris, P. echinata, P. caribaea and P. clause are also susceptible. The indigenous pines, P. massoniana and P. taiwanensis are highly resistent, while P. fenzeliana has never been infected. The causal fungus is identified as Lecanosticia acicola (Thum.) Syd., the conidial state of Scirrhia acicola (dearm) Siggers, Conidial stromata subepidermal becoming erumpent, dark brown, 100~275 75~225m in cross section; conidiophores pale brown, cylindrical,15~25 3m conidia pale brown to olive brown, cylindrical, straight or curved, l~6 mostly 3 septate, 24.5~5l.0 x3.4~6.3 m with a rounded apex and truncate base. The asco state of the fungus has never been observed in China. The disease is found in Fujian, Jiangxi, Zhejiang, Jiangsu, Anhui, Guangdong and Guangxi provinces but it is most common and severe in Fujian.

References

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Last Update: 1900-01-01