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Resistance Screening to Pepper mild mottle virus Pathotypes in Paprika Cultivars

고추약한모틀바이러스 병원형에 대한 파프리카 품종의 저항성 스크리닝

  • Choi, Gug-Seoun (Horticulture & Herbal Environmental Division, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Choi, Seung-Kook (Horticulture & Herbal Environmental Division, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Cho, In-Sook (Horticulture & Herbal Environmental Division, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Kwon, Sun-Jung (Horticulture & Herbal Environmental Division, National Institute of Horticultural & Herbal Science, Rural Development Administration)
  • 최국선 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 최승국 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 조인숙 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 권선정 (농촌진흥청 국립원예특작과학원 원예특작환경과)
  • Received : 2014.08.05
  • Accepted : 2014.10.08
  • Published : 2014.12.31

Abstract

The Paprika plant infected with Pepper mild mottle virus (PMMoV) do not produce commercial fruit as causing necrotic spots symptom on the fruit. Ten cultivars of paprika were analyzed to select the resistance cultivars against PMMoV pathotypes, $P_{1.2}$ and $P_{1.2.3}$, using bioassay and genetic markers. $L^1$, $L^3$, and $L^4$ genotypes expressing resistance to the pathotypes existed in those cultivars but $L^2$ genotype did not. $L^4L^4$ in cvs. Easy and Magnifico, $L^4L^3$ in cvs. Scirocco and Orange glory F1, $L^4L^1$ in cv. Special F1, $L^3L^3$ in cvs. Fiesta, Piero and Derby, and $L^3L^1$ in Cupra and Mazzona F1 were identified with SCAR and CAPS markers. The resistant cvs. to the 2 pathotypes were Magnipico, Easy, Scirocco F1, Orange glory and Special F1 and the susceptible cvs. were Fiesta, Piero, Derby, Cupra and Mazzona F1. The susceptible cvs. of the absence of $L^4$ genotype showed systemic infection when inoculated with PMMoV-$P_{1.2.3}$. However, those cvs. despite the presence of $L^3$ genotype showed vein necrosis on the inoculated leaf and hypersensitive necrosis symptom on the upper parts when inoculated with PMMoV-$P_{1.2}$.

파프리카에 고추약한모틀바이러스가 감염되면 과일에 검은 반점이 형성되어서 상품과를 생산할 수 없다. 파프리카 10품종을 대상으로 PMMoV 병원형 $P_{1.2}$$P_{1.2.3}$에 대한 저항성 품종 선발을 목적으로 생물 검정과 유전자 마커를 이용하여 분석하였다. 이들 품종에서는 Tobamovirus에 대한 저항성 저항성 마커형 $L^1$, $L^3$$L^4$가 존재가 확인되었으나, $L^2$ 저항성 마커형은 검출되지 않았다. SCAR와 CAPS 마커를 이용한 파프리카 품종의 저항성 마커형을 분석한 결과, 'Magnipico'와 'Easy'는 $L^4L^4$, 'Scirocco'와 'Orange glory F1'는 $L^4L^3$, 'Special F1'는 $L^4L^1$, 'Fiesta', 'Piero' 및 'Derby'는 $L^3L^3$, 'Cupra'와 'Mazzona F1'는 $L^3L^1$이 확인되었다. 2종의 병원형에 대한 저항성 품종은 'Magnipico', 'Easy', 'Scirocco F1', 'Orange glory' 및 'Special F1'이었고, 감수성 품종은 'Fiesta', 'Piero', 'Derby', 'Cupra' 및 'Mazzona F1'이었다. $L^4$의 유전형이 부재한 이들 감수성 품종은 PMMoV-$P_{1.2.3}$을 접종시 전신 감염되었다. 하지만 이들 품종은 저항성 마커형 $L^3$가 존재함에도 불구하고 PMMoV-$P_{1.2}$를 접종시 접종엽은 엽맥을 따라 괴사가 일어나면서 식물체의 상단부위는 과민감한 괴사 증상이 나타났다.

Keywords

References

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Cited by

  1. Complete Nucleotide Sequences and Genome Organization of Two Pepper Mild Mottle Virus Isolates fromCapsicum annuumin South Korea vol.4, pp.3, 2016, https://doi.org/10.1128/genomeA.00411-16