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Occurrence and Symptoms of Tomato spotted wilt virus on Egg Plant, Whole Radish and Sugar Loaf in Korea

채소(가지, 알타리무, 슈가로프)에 발생한 토마토반점위조바이러스 (Tomato spotted wilt virus) 발생과 병징 특성

  • Cho, Jeom-Deog (National Institute of Horticultural & Herbal Science, R.D.A.) ;
  • Kim, Jin-Young (Gyunggi Province Agricultural Research and Extension Service) ;
  • Kim, Jeong-Soo (National Academy of Agricultural Science, R.D.A.) ;
  • Choi, Hong-Soo (National Academy of Agricultural Science, R.D.A.) ;
  • Choi, Gug-Seoun (National Institute of Horticultural & Herbal Science, R.D.A.)
  • Received : 2010.08.02
  • Accepted : 2010.09.29
  • Published : 2010.12.01

Abstract

Tomato spotted wilt virus (TSWV) was occurred on the three vegetables of egg plant (Solanum melongena), whole radish (Raphanus acanthiformis) and sugar loaf (Cichorium intybus) at Anyang area infested with TSWV. Whole radish was produced the symptoms of necrotic spots on the leaves, and necrosis and malformation on the roots by TSWV. Egg plant was induced the symptoms of typical multiple ring spots on the leaves and necrotic rings on the fruits. Sugar loaf was infected severely with the typical symptoms of ring spots on the leaves and stunt. The three isolates of TSWV could infect locally on the indicator plants of Chenopodium amaranticolor, C. quinoa and Nicotiana debney, and systemically on N. glutinosa, N. benthamiana and Datura stramonium. Two TSWV isolates from egg plant and sugar loaf were very similar in virulence. However, the virulence of TSWV from whole radish was very different as local infection on 5 Nicotiana species including N. tabacum 'Xanthi NC'.

Tomato spotted wilt virus(TSWV)의 상습 발생지인 안양지역에서 가지, 알타리무, 슈가로프에서 TSWV가 발생하였다. 알타리무에서는 잎에 괴저반점과 뿌리에 괴저 병징이 나타났다. 가지에서는 잎에 전형적인 다중 원형반점을 나타냈으며 열매에 심한 괴저를 나타냈다. 슈가로프에서는 잎에 전형적인 원형반점과 심한 위축 병징이 나타났다. 가지, 알타리 무, 슈가로프에서 분리한 TSWV의 생물적 특성은 흰 명아주, 붉은 명아주, 담배(N. devney)에서는 국부 감염이었으며, 담배(N. glutinosa, N. benthamiana)와 독말풀(D. stramonium)에서는 전심감염이었다. 가지와 슈가로프에서 분리한 TSWV는 병원성이 유사하였으나, 알타리 무에서 분리한 TSWV는 N. tabacum 'Xanthi NC' 등 5종의 담배에서 국부 감염되어 병원성이 매우 상이하였다.

Keywords

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