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자료유형
학술저널
저자정보
Kim, Dong-Soon (Horticultural Environment Division, National Horticultural Research Institute, RDA Suwon) Cho, Myoung-Rae (Horticultural Environment Division, National Horticultural Research Institute, RDA Suwon) Jeon, Heung-Young (Horticultural Environment Division, National Horticultural Research Institute, RDA Suwon) Yiem, Myong-Soon (National Alpine Agricultural Experiment Station, RDA Pyeongchang Country) Lee, Joon-Ho (Entomology Major School of Agricultural Biotechnology Seoul National University) Na, Seung-Yong (Research Management Bureau RDA Suwon) Lee, Jeang-Oon (Research Management Bureau RDA Suwon)
저널정보
한국응용곤충학회 Journal of Asia-Pacific Entomology Journal of asia-pacific entomology 제3권 제2호
발행연도
2000.1
수록면
95 - 101 (7page)

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The phonology and damage patterns of Lygocoris spinolae (Meyer-Dur) on 'Campbell Early'grape were examined in different grape development stage of inflorescence formation, blooming, and berry set. Nymphs fed on newly unfolding leaves of shoot tip before inflorescence formation. As the inflorescences were clearly visib1e, nymphs on loaves moved to flower clusters. Sting spots with brown color occurred at sucking sites of leaves, then expanded to hole as the leaves developed, and resulted in leaf malformation. The nymphs on flower clusters sucked developing florets, which induced the drying of florets followed by defoliation. After flower caps had fallen, L. spinoiae fed en young berries causing blackening of berry skin around the sting. The blackening of berry skin changed to corky-scarred tissue as the berry developed.L. spinolae feeding significantly reduced the number of berries per cluster in all grape stages. A few berries became corky-scarred of shot berries when fed at inflorescence formation period. Feeding at blooming caused shot berries with low rate of corky-scarred berry Most of the berries were corky-scarred or became shot berries when fed at berry set. Feeding by adults caused the same damage patterns as nymphs. Heavy damages were observed where L. spinolae were introduced after inflorescence formation: reduced number of bellies per cluster by 35.0 to 99.1% at blooming and by 80.0% at berry setting depending on 1. spinoiae densities.

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