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Technology for using Ocimum basilicum as Orius laevigatus banker plant (Fiber)(Hemiptera: Anthocoridae) in cucumber greenhouse
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- URLhttps://db.koreascholar.com/Article/Detail/431864
The cucumber flower does’t seem to be supplying enough nectar and pollen to the natural enemies. Among the natural enemies that can be used in the cucumber greenhouse, especially Orius laevigatus may require flower nectar and pollen for settlement and reproduction. In our previous study, we selected basil as a natural enemy banker plant. Using this, the effect of thrips control in cucumber greenhouse was examined. The major pests of cucumber in 2023 were Aphis gossypii, Frankliniella occidentalis, Thrips palmi and Trialeurodes vaporariorum. A. gossypii occurred most frequently, and the next occurred pests were F. occidentalis and T. palmi. The densities of O. laevigatus remained stable on basil banker plants. After releasing O. laevigatus and adding the basil banker plants, the densities of T. palmi were kept low at less than 3 per leaf, and the densities of F. occidentalis were kept low at less than 10 per 3 flowers but increased slightly since late May. As a result, the density of thrips during cucumber cultivation was effectively suppressed after the use of natural enemies.
