Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Soil Transmission of Cucumber green mottle mosaic virus and Its Control Mensures in Watermelon

수박에 오이녹반모자이크바이러스의 토양전염과 예방대책

  • Published : 2004.03.01
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Abstract

Soil transmission ratio of Cucumber green mottle mosaic virus (CGMMV) was 0.2 to 3.5 ％ in watermelon growing fields naturally infested with the virus. Biological activities of CGMMV lost after 17 months in moist well-aerated soil but still continued more than 33 months in waterlogged soil. To inhibit the virus infection through soil, the roots of watermelon seedlings were soaked in 10％ solution of skim milk prior to transplanting. The seedlings treated with skim milk solution were not infected, while 5.0 to 7.6％ out of control seedlings were infected. The roots treated with skim milk were coated with membrane around the roots under scanning electron microscope.

오이녹반모자이크바이러스(CGMMV)가 오염된 포장에서 이 바이러스병의 토양전염율은 0.2∼3.5％였다. 경작지 토양과 같이 습도가 적당히 유지된 토양에서 CGMMV의 생물활성 지속기간은 17개월 후에는 바이러스의 활성이 손실되었으나, 담수 토양에서는 33개월 이상 이 바이러스의 생물활성이 유지되었다. CGMMV의 토양전염을 억제하기 위하여 정식직전 수박 묘의 뿌리를 10％ 탈지분유액에 침지하여 정식한 처리구에서는 이 바이러스병이 발병되지 않았으나, 무처리구에서는 5.0∼7.6％가 발병되었다. 탈지분유액을 처리한 뿌리를 주사전자현미경으로 관찰한 결과 뿌리 주위로 얇은 막이 형성되어져 있었다.

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References

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