Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Seasonal incidence of insect-pests of Sesamum indicum.

Abstract

A total of 14 insect pests were recorded on sesame cultivars Type-4, Type-12, Type-13, Type-78 and Shekhar in a field trial conducted in Faizabad, Uttar Pradesh, India, during kharif 2006 and 2007. Among the pests, the whitefly Bemisia tabaci, sesame leafhopper Orosius albicinctus [O. orientalis], stink bug Nezara viridula, cotton aphid Aphis gossypii and sesame fly Gitonides persicae remained active from the vegetative stage of the crop and the peak population was recorded in the 36th standard week. The sesame gall fly Asphondylia sesami, flower beetle Oxycetonia dispar, sesame butterfly Dasyneura sesami and blister beetle were active from flowering to capsule formation stage of the crop and the peak infestation was in the 37th standard week during both years. The surface grasshopper Chrotogonus trachypterus and til leaf webber and capsule borer Antigastra catalaunalis were recorded from sowing to harvesting stages of the crop and the peak infestation was recorded during the 35th standard week. The lygeid bud Aphanus sordidus [Elasmolomus sordidus] and til hawk moth Acherotia styx was found at capsule formation to capsule maturity stage of crop growth and the peak infestation was recorded in the 40th standard week during both years.