Species diversity of rose thrips and their control by plant extracts | ??????????????????????????????????????????????????????
2020
Nisa Klaingklow(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Department of Entomology) | Pabhop Sinchayakul(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Department of Entomology) | Wichai Sorapongpaisal(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Research and Academic Service Center) | Araya Bunsak(Pibulsongkram Rajabhat University, Phitsanulok (Thailand). Faculty of Food and Agricultural Technology)
Thrips infesting roses are composed of many species and the significance of each species is varied depended on the conditions of the growing areas. The objectives of this research were to identify rose thrips species and to study on the efficacy of plant extracts from heart-leaved moonseed (Tinospora sp.), mytle grass (Acorus sp.), tobacco (Nicotiana sp.), soap nut tree (Sapindus sp.), Siam weed (Chromolaena sp.), cloth of gold (Lantana sp.), derris (Derris sp.), eucalyptus (Eucalyptus sp.), neem (Azadirachta sp.) and stemona (Stemona sp.) to control those rose thrips. The research was conducted at the organic rose planting site in Klangdong subdistrict, Pakchong district, Nakhon Rachasima province. The result revealed that the total of 3 species of thrips; Thrips hawaiiensis, Thrips palmi and Scirtothrips dorsalis were found at the ratio of 79:12:9. The highest efficacy to control rose thrips was the extracts of tobacco (Nicotiana sp.) followed by mytle grass (Acorus sp.) which stemona (Stemona sp.) and prolonged the control up to 3 days
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