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Investigation on the Present Situation of Occurrence and Control of Main Apple Diseases and Pests in Zhangjiakou City(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年10期
Page:
144-147
Research Field:
Publishing date:

Info

Title:
Investigation on the Present Situation of Occurrence and Control of Main Apple Diseases and Pests in Zhangjiakou City
Author(s):
YUAN Jun-hai1; DU Hong-ya1; SHEN Feng-ying1; HAN Wen-su1; ZHANG Hong-jie1; CAO Ke-qiang2
1.Department of Agronomy，Heibei North University,Xuanhua,Hebei 075131;
2.College of Plant Protection，Hebei Agricultural University,Baoding,Hebei 071001
Keywords:
Zhangjiakou city; apple; disease; pest; investigation
PACS:
S 436.611（222）
DOI:
-
Abstract:
The present situation of occurrence and control of main apple diseases and pests in Zhangjiakou city were investigated during 2010 to 2011.The most serious disease was apple valsa canker,the next were leaf brown spot,brown rot and disaster caused by hail,and thirdly，alternaria blotch，flyspeck,rot root and freeze injury.The most important pests were Didesmococcus koreanu and Tetranychus vinnensis，the next were Caposina niponensis，Lithocolletis ringoniella and Spilonota lechriaspis.Daubing pesticides,such as asomate,on the diseased bark after scraping was the main method to cure apple valsa canker,and the leaf diseases and most pests were mainly controlled by means of spraying pesticides.The rest diseases and pests weren’t worth curing in most cases.Most of the twig，bark，fruit and leaf injured by disease and pest were disposed.The occurrence and control of apple canker were discussed especially in this paper.

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Last Update: 2014-09-05