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http://dx.doi.org/10.11625/KJOA.2013.21.4.669

Effects of Biodiversity and Pests Insects Occurrence on Surface Management Methods in Persimmon Orchards  

Choi, Duck-Soo (전남농업기술원 친환경연구소)
Kim, Do-Ik (전남농업기술원 연구개발국)
Ko, Sug-Ju (전남농업기술원 연구개발국)
Kang, Beom-Ryong (전남농업기술원 연구개발국)
Park, Jong-Dae (전남농업기술원 연구개발국)
Choi, Kyeong-Ju (전남농업기술원 연구개발국)
Kim, Sang-Soo (순천대학교 원예생물의학부)
Publication Information
Korean Journal of Organic Agriculture / v.21, no.4, 2013 , pp. 669-684 More about this Journal
Abstract
This study was investigated to evaluate the effects of biodiversity and pest insect occurrence by soil surface management methods such as green manure crop, grass planting and clean-tilled crops on persimmon orchards. Green manure crop pests was investigated 7 species including Hypera postica, Laodephax striatellus, Megoura crassicauda, Aphis craccivora, Nephotettix cincticeps, Liriomyza sp., black spot and the most dangerous pest was H. postica but it did not damaged persimmon tree. Amount of pests and natural enemies dwelling soil covering plant was not difference between organic farming (hairy vetch planting) and conventional farming (natural weed). Homona magnanima occurred three times a year but it rarely damaged leaf of persimmon. Total adult moth catched by pheromone trap was 1,261 organic farm, 1,003 conventional farm and 621 clean-tilled farm. Grapholita molesta occurred four times a year but it also rarely damaged twig of persimmon. Number of collected invertebrate species and individuals on soil sample was follow as : 838 individuals of 22 species at organic farm, 421 individuals of 17 species at conventional farm and 381 individuals of 15 species at clean-tilled farm. The richness index was lined up by organic farm 3.12> conventional farm 2.65> clean-tilled farm 2.36.
Keywords
green manure crop; hypera postica; persimmon; biodiversity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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