|Table of Contents|

Investigations on the Occurrence and Chemical Control of Botryosphaeria Canker of Apple in Hebei Province(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年15
Page:
120-123
Research Field:
Publishing date:

Info

Title:
Investigations on the Occurrence and Chemical Control of Botryosphaeria Canker of Apple in Hebei Province
Author(s):
CHEN XiaojieLI FangfangSHI JuanZHANG YuanLI ZhongyongXU Jizhong
(College of Horticulture,Agricultural University of Hebei,Baoding,Hebei 071001)
Keywords:
Botryosphaeria canker of appledisease occurrencechemical control
PACS:
-
DOI:
10.11937/bfyy.201515032
Abstract:
From July to August in 2014,the occurrence and control status of Botryosphaeria canker of apple were investigated in orchards located in seven major apple production areas in Hebei province.The results showed that the incidence of this disease in general was about 76.26%,disease index was 63.70.The occurrence of the disease varied among different regions.Comparatively,the occurrence of the disease were the lightest in Zhangjiakou and Chengde,followed by Baoding,the others were serious.The incidence rate reached 80%,the disease index was higher than 70.The older the tree,the more severe the disease.The incidences and the disease index were 44.71% and 33.55,100.00% and 98.53 for the trees at the age of 0-5 and more than 16,respectively.There were significant differences in occurrence of the disease among the main cultivars.‘Red Star’,‘Fuji’ and ‘Wanglin’ were the most serious disease,followed by the ‘Gala’ and ‘Dounan’,‘Guoguang’ were the lightest.Among the chemicals used to prevent Botryosphaeria canker of apple,carbendazim,lime sulphur and tebuconazole were the most popular fungicides.

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Last Update: 2015-08-20