Research in Plant Disease 2012;18(4):349-353.
Published online December 30, 2012.
약제별 및 살포시기별 자두 검은점무늬병 방제효과
류영현 ( Young Hyun Ryu ) , 이중환 ( Joong Hwan Lee ) , 권태영 ( Tae Young Kwon ) , 김승한 ( Seung Han Kim ) , 김동근 ( Dong Geun Kim )
 
Control Efficacy of Different Types of Chemicals with Different Spraying Schedules on Plum Bacterial Black Spot
Young Hyun Ryu*, Joong Hwan Lee, Tae Young Kwon, Seung Han Kim and Dong Geun Kim
Institute for Natural Products Research, Gyeongbuk Agriculture Research & Extension Service, Daegu 769-803, Korea
Received: May 12, 2012   Revised: October 31, 2012   Accepted: November 17, 2012
Abstract
Xanthomonas arboricola pv. pruni causes black spot symptom on fruit of plum, resulting in yield loss by reduction of marketable fruit production. To develop an effective control program, some chemicals were sprayed in various scheme during dormant season and growing season after blooming period. Copper-based chemicals were sprayed during dormant season and antibiotic-based chemicals were sprayed during fruit growing season. Sprays of antibiotic-based chemicals in growing season was more effective than copper-based chemicals sprays in dormant season. Three applications of antibiotic-based chemicals in 10 days interval starting 10 days after full blooming controlled disease incidence as much as 93%, whereas applications of copper-based chemicals in dormant season controlled 26?42%. Antibiotic-based chemicals application starting 10 days after full blooming was more effective than starting 20 or 30 days after full blooming.
Key Words: Bacterial black spot, Chemical control, Plum
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