Correlation between Attractions and Susceptibilities of Rice Varieties to Aphelenchoides besseyi Christie, 1942

  • Lee Young-Bae (Institute of Agricultural Science) ;
  • Evans A.A.F. (Imperial College Field Station, Ascot, Berks.,)
  • Published : 1973.12.01

Abstract

A laboratory observation and a greenhouse pot experiment were carried out to know the correlationship between the attraction and the susceptibility of rice varieties to Aphelenchoides besseyi. Degrees of attraction of rice seedling extract to A. besseyi and the multiplication rates of the nematode varied greatly according to the rice varieties used. And there was strong correlation between the two variables; i.e., the more the seedling extract of a variety attracted by the nematode in agar observation, the more the variety was susceptible in greenhouse pot experiment.

벼 이삭선충(심고선충), Aphelenchoides besseyi Christie에 대한 벼 품종의 유인성과 감수성과의 상관관계를 알기 위하여 실험실관찰과 온실내의 포트 시험을 수행하였다. 본 선충에 대한 벼묘추출액의 유인성과 선충의 증식률은 벼의 품종에 따라서 크게 차이가 났으며 이들 두 요인간에는 큰 상관관계를 나타내었다. 즉, 벼묘의 추출액이 선충에 대하여 강한 유인성을 나타낸 품종일수록 포장에서의 선충증식이 잘 되어 감수성이 높았다.

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