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KMID : 0903620000410060607
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Journal of the Korean Society for Horticultural Science
2000 Volume.41 No. 6 p.607 ~ p.612
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Recent Status of Major Fruit Tree Pest Occurrences in Korea
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김동순/Kim, Dong Soon
임명순/조명래/전흥용/장영덕/Yiem, Myoung Soon/Cho, Myoung Rae/Jeon, Heung Yong/Chang, Young Duck
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Abstract
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The occurrences of arthropod pests of fruit trees were monitored in some fiuit tree growing areas during 1993 to 1996 (apple: Suwon, Chungju, Yesan, Echon, pear: Suwon, Chonan, Ansung, Naju, grape: Suwon, Chonan, Kumnung, Ansung, peach: Suwon, Chochiwon, Changhowon, Chonju). In Suwon, seasonal fluctuation of apple and pear pests damaging leaves and shoots were analysed during the same period. The annually observed apple pests in all monitored areas were Tetranychus urticae, Aphis citricola, Myzus malisuctus, Phyllonorycter ringoniella, and Lyonetia prunifoliella. Occurrences of the pests directly damaging fruits such as Carposina sasakii and Grapholita molesta were very low. In 1994, under high temperature and dry weather condition, the population of T. urticae was relatively high compared to the other years in apple trees. A. citricola in apple trees was relatively low in 1996 when precipitation was low during May and June. Lyonetia prunifoliella showed increasing tendency every year in apple trees. The frequently observed pear pests were T. urticae, A. citricola, Procipilus kuwanai, and Sappaphis piricolazus, and Pseudococcus comstocki damaging fiuits was observed every year in all the monitored areas. Year-round occurring of pear pests were T. urticae and A. citricola, showing similar tendency to those in apple trees. Cacopsylla pyricola density was very low in hot summer season (July and early August). In vineyard, the occurrences of Endoclyta excresens, Arboridia apicalis, Scirtothrips dosalis, and Lygocoris spp. were observed, but the damage was not serious. S. dosalis showed increasing tendency in Chonan, Ansung, and Kumnung areas. The major peach pests were Tetranychus urticae, Tetranychus lcanzawai, Myzus persicae, and Synanthedon hector, and the occurrences of pests directly damaging fruits were very low.
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