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http://dx.doi.org/10.7585/kjps.2015.19.3.312

Improvement and Effectiveness for Chemical Control Protocol of Sweet Persimmon Anthracnose Disease  

Jeon, Chang Wook (Division of Applied Life Science, Gyeongsang National University)
Kwon, Youngho (Division of Applied Life Science, Gyeongsang National University)
Lee, Jung Han (Korea Turfgrass Research Instititute)
Kwak, Youn-Sig (Institute of Agriculture & Life Science, Gyeongsang National University)
Publication Information
The Korean Journal of Pesticide Science / v.19, no.3, 2015 , pp. 312-316 More about this Journal
Abstract
Anthracnose, caused by Colletotrichum spp. is the most important and devastating disease in sweet persimmon production in worldwide. There is no alternative control method or resistant cultivar is available. Therefore, chemical controls are widely accepted to control the disease. Three fungicides among 16 fungicides have been selected to apply in field condition. The selected three fungicides (metconazole, dithianon and propineb) showed lower EC50 and reliable control effect in both in vitro and in vivo. According to general guide line of anthracnose disease control method recommended 8 times spay of the fungicide. In this study, we performed 8, 4, and 2 times spay of the fungicides. For 8 times application, practice spray machine has been used and for 4 and 2 time application, a recently invented spray machine was input. The fungicides have been treated from middle of June to end of August in 2014 year. Control effect of among the selected fungicides showed similar result regardless of sort of the fungicide. However, frequency of spray result showed significantly different results, 8 and 4 times fungicide application showed low and similar disease occurrence, but 2 times application showed intermediated disease occurrence between 4 times treatment and untreated control. Taken together, result showed that 4 times application with effective fungicide, mechanically advanced tool can reduced the anthracnose disease damage in sweet persimmon production.
Keywords
Colletotrichum spp.; Fungicide; Sweet persimmon;
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Times Cited By KSCI : 3  (Citation Analysis)
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