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Field Efficacy Evaluation of Bacillus amyloliquefaciens Against Apple Alternaria mali Roberts and Its Compatibility With Nine Chemical Fungicides(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年23
Page:
73-77
Research Field:
Publishing date:

Info

Title:
Field Efficacy Evaluation of Bacillus amyloliquefaciens Against Apple Alternaria mali Roberts and Its Compatibility With Nine Chemical Fungicides
Author(s):
ZHAO Yunfu1; QIU Dongxiao1; ZHOU Limei1; WANG Jianing2
1.Agricultural Technology Promotion Center,Yantai,Shandong 264001;2.College of Agronomy and Crop Protection,Qingdao Agricultural University,Qingdao,Shandong 266109
Keywords:
Alternaria mali Roberts; Bacillus amyloliquefaciens; compatibility; efficacy evaluation
PACS:
-
DOI:
10.11937/bfyy.20171508
Abstract:
Compatibility of Bacillus amyloliquefaciens HMQAU140045 with nine kinds of chemical fungicides commonly used in apple orchards and its field control effects against apple leaf spot were studied.The results indicated that carbendazim,kresoxim-methyl and procymidone could promote the growth of Bacillus amyloliquefaciens,and iprodione,thiophanate-methyl,mancozeb and polyoxin had slight inhibitory effects,while difenoconazole and tebuconazole showed strong inhibitory effects at their maximum recommended doses.The results of field trials showed a safe and effective method against apple Alternaria mali Roberts which could reduce the use of chemical fungicides by alternately using 107 cfu?mL-1 suspension of Bacillus amyloliquefaciens HMQAU140045 and other chemical fungicides such as mancozeb 70% WP 500 times,carbendazim 80% WP 800 times,kresoxim-methyl 60% WDG 4 000 times and iprodione 50% WP 1 250 times,and the final control effects were all above 71.78% in autumn tip stage.

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Last Update: 2017-12-19