Induction of Resistance Through Foliar Application of Silicon and Gibberellic Acid Against Whitefly, Bemisia tabaci (Gennadius) Infesting Green Gram
Keywords:
Silicon, Gibberellic acid, Potassium silicate, Whitefly, Bemisia tabaci, Green gramAbstract
Foliar application of silicic acid @ 0.1 and 0.2% and potassium silicate @ 0.5 and 1.0% with gibberellic acid @ 50 and 100 ppm were evaluated for white fly attacking green gram plant at farmers' holdings, Nattapatti, Madurai District, Tamil Nadu. The population density of Bemisia tabaci was observed at weekly interval during the growth season. Treatment with potassium silicate 1.0% @ 10 DAS & 20 DAS with gibberellic acid 100 ppm @ 30 DAS and 40 DAS significantly decreased the population of B. tabaci (3.70 whiteflies/top three leaves)as against the untreated check.(9.78 whiteflies/top three leaves)
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