Varietal difference in the susceptibility of strawberry to western flower thrips Frankliniella occidentalis (Pergande).
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概要
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The susceptibility of strawberry to western flower thrips Frankliniella occidentalis was investigated in 14 varieties in a choice test and 4 varieties in a non-choice test. There were significant differences among the percentages of strawberry fruit damaged by the thrips. The ratio of damage fruits of 'Toyonoka', which is one of the most popular varieties in Japan, was lowest among the tested varieties in both the choice and no-choice tests. Scince there was no significant relationship between the population density of F occidentalis and the number of damaged strawberry fruits, the main cause of resistance in these varieties is thought to be tolerance.
- 九州病害虫研究会の論文
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