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牡丹根腐病及其防治的研究(PDF)

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

Issue:
2005年06期
Page:
69-72
Column:
研究论文
publishdate:
2005-10-20

Article Info:/Info

Title:
Study on Root Rot Disease and Control of Peony
Article ID:
1000-2006(2005)06-0069-04
Author(s):
WU Yu-zhu1 JI Yan-ping1 ZHAO Gui-hua2 LIU Yin1 ZHAO Hai-jun3 WANG Hai-ming4 NIU Ying-fu4
1. Shandong Academy of Forestry, Jinan 250014, China; 2. Jiangsu Polytechnic College of Agriculture and Forestry, Jurong 212400, China; 3. Heze Peony Tree Institute of Shandong, Heze 274000, China; 4. Heze Forest Protection Station of Shandong, Heze 274000, China
Keywords:
Peony Root rot disease Pathogenic fungi Occurring regulation Control
Classification number :
S763
DOI:
10.3969/j.jssn.1000-2006.2005.06.017
Document Code:
A
Abstract:
The root rot disease of peony is one of the serious diseases. Average infected individual plant rates in old and’ new peony garden were up to 35% and about 20% respectively in the cultivation region in Heze, Shandong Province. According to the culturing characters and morphological properties of 137 isolates came from 64 infected root samples among 9 batches after selecting, purifying, re-inoculating testing, the pathogenic fungi of peony root rot disease was finally identified as the Fusariurn solani. Overwinter of pathogen mainly depended on mycelia and conidia in the root, the disease was prevalent from May to July. The occurrence of disease had a close relation with those factors including layer stubble and soil acidity and alkalinity. The Ltiheng 1,Ltiheng 2 and 50% Duofu were proved to be the effective fungicides for controlling peony root rot by laboratory toxigenicity testing and field fungicides efficacy. The control effect in new and old peony garden was about 90% and 80% respectively while the disease indices of them were controlled about 5 and 10 respectively, by applying 4 times from middle March, the pre-leafing date of peony through middle July. The paper provides a profound and systematic study on the peony root rot disease and will help to promote the development of industrialization of the peony.

References

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Last Update: 2013-05-20