SCREENING OF CARNATION VARIETIES AGAINST THRIPS, Thrips tabaci (LINDERMAN) IN PROTECTED CULTIVATION
Publication Date : 24/05/2015
Thrips (Thrips tabaci) are one of the most destructive insect pest, which impair plant growth, quality and yield of carnation. Incidence and damage aspects of Thrips tabaci investigated on five carnation varieties viz., Lisa, Gaudina, Liberty, Charmant, Randez vous at Hi-tech horticulture unit, Saidapur Farm, MARS, UAS, Dharwad under polyhouse conditions. Among the varieties, Randez Vous, Liberty and Lisa were identified as the best varieties by recording lowest thrips population. Conversely Charmant and Gaudina were found susceptible, recorded the highest thrips population. Lowest petal distortion by thrips was noticed on the variety Randez vous (12.87%) followed by variety Liberty (20.63%) and Lisa (25.14%) which registered less crop damage indicated that these varieties are significantly superior to other varieties for suppressing the thrips population. Significantly highest petal distortion observed in variety Charmant (61.59%) and Gaudina (52.55%) found to be susceptible to thrips infestation.
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