Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Downy Mildew Resistance of Grape Cultivars (Vitis spp.) under Greenhouse and Field Condition

포도 주요 품종간 노균병 저항성 검정

  • Yun, Hae-Keun (Department of Fruit Tree Breeding, National Horticultural Research Institute, RDA) ;
  • Park, Kyo-Sun (Department of Fruit Tree Breeding, National Horticultural Research Institute, RDA) ;
  • Rho, Jeong-Ho (Department of Fruit Tree Breeding, National Horticultural Research Institute, RDA) ;
  • Jeong, Sang-Bouk (Department of Fruit Tree Breeding, National Horticultural Research Institute, RDA) ;
  • Kim, Whee-Cheon (Department of Fruit Tree Breeding, National Horticultural Research Institute, RDA)
  • 윤해근 (농촌진흥청 원예연구소 과수육종과) ;
  • 박교선 (농촌진흥청 원예연구소 과수육종과) ;
  • 노정호 (농촌진흥청 원예연구소 과수육종과) ;
  • 정상복 (농촌진흥청 원예연구소 과수육종과) ;
  • 김휘천 (농촌진흥청 원예연구소 과수육종과)
  • Received : 2001.02.15
  • Accepted : 2001.03.02
  • Published : 2001.03.31
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Abstract

The objective of this research was to develop a screening system for selection of grape downy mildew (Plasmopara viticola)-resistant grape cultivars or seedlings under greenhouse condition. Inoculum concentrations ranging from $10^4$ to $10^5spores/mL$ for screening of resistance were evaluated and $5{\times}10^4spores/mL$ was optimum. Of the tested 14 grape cultivars, Campbell Early and Niagara were resistant to grape downy mildew, Sheridan and Cheongsoo were moderate resistant, while Kaiji, Red Queen and Ruby Okuyama were susceptible under both greenhouse and field conditions. Vitis vinifera grape cultivars were more susceptible to grape downy mildew than V. vinifera-labrusca hybrids and V. vinifera-labrusca-aestivalis hybrids. In V. vinifera-labrusca hybrids, tetraploid grape cultivars were more susceptible than diploid culivars. The evaluated results of grape downy mildew resistance under greenhouse condition were in accordance with those of field condition. Results of this study indicated that both greenhouse and field procedures could be used to screen grape cultivars and seedlings for downy mildew resistance.

포도 노균병 저항성 품종육성에 필요한 포도 품종간 저항성 검정체계를 확립하고 품종간의 저항성을 비교하고자 본 시험을 수행하였다. 포도 노균병에 대한 품종간 저항성 검정에는 $10^4-10^5spores/mL$의 포자현탁액을 분무접종하여도 큰 차이는 없었으나 $5{\times}10^4spores/mL$로 조절된 포자현탁액을 분무접종하는 것이 효과적이었다. 포도 노균병균을 온실에서 분무접종한 결과 Campbell Early, Niagara 등의 품종은 저항성, Sheridan, 청수(淸水) 등의 품종은 중도저항성, Kaiji, Red Queen, Ruby Okuyama 등의 품종은 감수성을 나타내었다. 포장에서의 저항성은 V. vinifera에 속하는 포도 품종이 V. vinifera-labrusca hybrids, V. vinifera-labrusca-aestivalis hybrids, V. vinifera-labrusca-aestivalis에 V. riparia, V. rupestris, V. lincecumii 등이 단독 또는 복합적으로 추가된 hybrids에 비해 감수성이었으며, 특히 V. vinifera-labrusca hybrid에서는 4배체 품종이 2배체 품종에 비해 감수성이었다. 온실 내에서 병원균 포자의 분무접종을 통한 품종간 저항성 검정 결과와 포장상태에서의 저항성 결과는 유사한 경향을 나타내었으므로 온실 내에서의 저항성 검정방법이 포도 노균병 저항성 검정에 이용될 수 있을 것이다.

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