Comparative efficacy of botanical and chemical insecticides for the management of onion thrips, Thrips tabaci Lind. | ||||
| Annals of Agricultural Science, Moshtohor | ||||
| Article 9, Volume 56, Issue 1, 2018, Page 89-94 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/assjm.2018.44117 | ||||
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| Author | ||||
I. A. EL-SAPPAGH 
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| Plant Protection Research Institute- Agricultural Research Center- Dokki | ||||
| Abstract | ||||
| An experiment was conducted at Qaliubiya Governorate during 2016 and 2017 onion seasons to evaluate the efficacy of different chemical and botanical materials for the management of onion thrips (Thrips tabaci Lind) (Thysanoptera: Thripidae) infesting onion bulb crop. Five treatments (two chemical insecticides, three botanical materials and control) were replicated four times. The chemical insecticides were actara 25 WG and diazinox 5%. All the materials used caused, significantly, higher reduction in T. tabaci population than the untreated check. Lemon oil proved the best showed (45.89 and 38.62% reduction), followed by neem oil (32.68 and 29.76%) and actara 25 WG (30.65 and 28.81%) during both studied seasons, respectively. The remaining insecticides showed lower percentages of thrips reduction, although those caused but were significantly, better results than control. The results recorded on yield showed significant relationship between the incidence of the pest and the efficacies of applied materials which effected the yield quantity and quality. | ||||
| Keywords | ||||
| chemical; botanical materials management onion Thrips tabaci Lind | ||||
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