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内吸杀菌剂根系打浆防治松针褐斑病(PDF)

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

Issue:
1992年01期
Page:
7-12
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
THE SYSTEMATIC FUNGICIDE ROOT-DIP TREATMENT CONTROLS BROWN-SPOT NEEDLE BLIGHT
Article ID:
1000-2006(1992)01-0007-06
Author(s):
Hang Zhengmin Ye Jianren Zheng Ping Li Chuandao (Nanjing Forestry University)Xu Guanghui (Forestry Research Institute Yichun Jiangxi Province)Mm Shunbao Gan Shuping (United Paper Factory Fengxin County Jiangxi Province)Zhou Caigong (Guanzhuang Forest Far
Xiangxi Forest Farm Xiamen Fujian Province
Keywords:
Carbendazim Thiophanate-methyl Brown-spot needle blight Root-dip treatment Pinus elliottii Pinus taeda
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1992.01.002
Document Code:
A
Abstract:
Roots of Pinus elliottii or P. taeda 1 yr seedlings were dipped in a mixture of carbendazim or thiophanate-methyl and clay before planting for brown-spot disease control. Disease indexes of the treated seedlings were evaluated about 50 days after artificial inoculation with Lecanosticta acicola or annually for 2-3 yr under natural infection. Each concentration of the fungicides was effective for reducing the infection in a short stage of the first yr. The control effect was gradually reduced in the second and third yr. There was no evident correlation beetween disease indexes and concentration of the fungicides in the first yr. But the disease indexes were negatively correlated with concentration of the fungicides in the second and the third yr. It is recommended that 3-5% a. i. carbendazim or 5~ 10% a. i. thiophanate-methyl root-dip treatment before planting should provide an effective control of Lecanosticta acicola.

References

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Last Update: 1900-01-01