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http://dx.doi.org/10.5656/KSAE.2009.48.4.535

Survey of Plant Parasitic Nematode in Citrus Fruit Orchards in Korea  

Park, Sun-Nam (National Institute of Biological Resources)
Youn, Young-Nam (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)
Lee, Jae-Kook (Agricultural microbiology Division, National Academy of Agricultural Science)
Park, Byeong-Yong (Agricultural microbiology Division, National Academy of Agricultural Science)
Publication Information
Korean journal of applied entomology / v.48, no.4, 2009 , pp. 535-539 More about this Journal
Abstract
This study was conducted to identify plant-parasitic nematodes and determine the distribution pattern of the nematode species in citrus fruit orchards in Korea from April to August, 2008. Plant-parasitic nematodes were found in 139 among 178 soil samples. Tylenchulus semipenetrans was collected from 85 out of 94 Citrus unshiu orchards examined (90.4%). C. junos orchards infested with T. semipenetrans were 60 out of 84 (71.4%). However, proportion of dominant species between the two was different. At domestic Citrus orchards, it proved that T. semipenetrans was the most important plant-parasitic nematode from this study. The overall frequency of the plant-parasitic nematodes was positively correlated with the cultivation years. More alkaline soils tended to harbor more T. semipenetrans. However the correlation coefficient between the two was very low.
Keywords
Citrus; C. unshiu; C. junos; Tylenchulus semipenetrans;
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