Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Evaluation of Pepper Genetic Sources (Capsicum spp.) for Disease Resistance Breeding

병저항성 육종을 위한 고추 유전자원의 저항성 평가

  • Lee, Sang-Jun (Department of Plant Science, Gangneung-Wonju National University) ;
  • Kim, Byung-Sup (Department of Plant Science, Gangneung-Wonju National University)
  • 이상준 (강릉원주대학교 식물생명과학과) ;
  • 김병섭 (강릉원주대학교 식물생명과학과)
  • Received : 2011.12.04
  • Accepted : 2012.01.31
  • Published : 2012.04.30
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Abstract

For initiation of resistance breeding program of the red pepper, 21 PR ($Phytophthora$ resistance) cultivars, 36 cultivars collected from USA and 'Supermanitta' which is a susceptible cultivar against phytophthora blight were assayed against phytophthora blight, powdery mildew, and anthracnose. For seedling assay of phytophthora blight, three different mating type strains of $Phytophthora$ $capsici$ were used (A1, A2, Sterile). The result showed that most of the pepper of PR cultivars were resistance or moderately resistance at each mating type. 'Yeokganghongjanggun' was resistant to all three $P.$ $capsici$ strains and 'PR-Datta' and 'PR-Manitta' were resistant or moderately resistant at each type. In case of the collected cultivars, 'NuMex J.E.Parker', 'Omni Color', and 'SCM334' were resistant to all the three types and some cultivars including 'Sweet Banana' and 'Tabasco' were moderately resistant to each type fungi. 'Orange Habanero' and 'Black Cuban' were resistant to powdery mildew and 'Supermanitta' and 'PR Keumdong' were moderately resistant, while 'Santa Fe Grande', 'NuMex Pinata' and 'Puya' were very susceptible. In the case of anthracnose, 'Aji Limon' and 'Capsicum baccatum var. pendulum 3-4' were resistant and 'Pobalno', 'Omni Color', 'Negro', 'Mesilla', 'Mulato', 'Bhut Jolokia', 'Big Dipper', 'Black Cuban', 'NuMex Pinata', and 'NuMex Big Jim' were moderately resistant. The most PR cultivars except 'Taesan' were susceptible or very susceptible. These resistant individuals identified through this experiment can be used as sources of resistance to pepper pathogens in the future breeding programs.

본 시험은 고추의 육종을 위한 병 저항성 고추를 선발하고자 하였다. 국내에서 시판중인 역병 저항성 품종인 PR계통 21품종, 미국에서 도입해온 36품종과 역병감수성 품종인 '슈퍼마니따'를 사용하여 역병, 탄저병, 흰가루병의 병 저항성 검정을 수행하였다. $Phytophthora$ $capsici$에 의해 발병하는 고추역병의 유묘검정은 서로 다른 교배형(A1, A2, Sterile)을 가지는 3 균주를 사용하여 접종하였다. 그 결과 대부분의 PR계통 고추들은 각각의 교배형에 대하여 저항성 또는 중도저항성을 나타내는 것으로 조사되었다. '역강홍장군'은 서로 다른 교배형의 세 가지 균주에 대하여 저항성을 나타냈으며, 'PR-다따'와 'PR-마니따'는 각각의 교배형에 저항성 또는 중도저항성을 보였다. 외래종의 경우, 'NuMex J.E.Parker', 'Omni Color'과 'SCM-334' 품종은 세 가지 균주에 저항성을 나타냈고, 'Sweet Banana'와 'Tabasco'를 포함한 몇몇 품종들은 각각의 균주에 중도저항성을 나타냈다. 흰가루병에 대하여 'Orange Habanero', 'black Cuban'은 저항성을 나타냈으며, '슈퍼마니따'와 'PR 금동'은 중도저항성을 나타냈다. 'Santa Fe Grnade', 'NuMex Pinata' 품종은 흰가루병에 매우 심한 감수성인 것으로 조사되었다. 탄저병의 경우, 'Aji Limon'과 'C. baccatum var. pendelum 3-4' 품종은 저항성인 것으로 조사되었다. 'Pobalno', 'Omni Color', 'Negro', 'Mesilla', 'Mulato', 'Bhut Jolokia', 'Big Dipper', 'Black Cuban', 'NuMex Pinata'와 'NuMex Big Jim'은 중도저항성을 나타내는 것으로 조사되었다. '태산'을 제외한 대부분의 PR계통들은 탄저병에 대하여 감수성 내지 심한 감수성인 것으로 확인되었다. 본 연구에서 확인된 저항성 개체는 이후에 고추 병저항성 육종에 유용한 유전자원으로 이용될 수 있다.

Keywords

References

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