Chlorantraniliprole 0.4 GR : Novel formulation for the management of grape stem borer, Celosterna scrabrator under field conditions
Keywords:Chlorantraniliprole 0.4 GR, grape stem borer, management
AbstractStudies were carried out to investigate the effi cacy of Ferterra 0.4 GR, a new formulation of chlorantraniliprole onÂ the activity of grape stem borer under fi eld condition during two years 2014-15 and 2015-16. The study revealedÂ that, the stem borer activity indicated by the amount of frass collected from the live hole was ceased successfullyÂ by soil application of chlorantraniliprole 0.4 GR (Ferterra) at the root zone. Among the various treatments,Â chlorantraniliprole 0.4 GR (Ferterra) @ 15 g/vine recorded lowest amount of the frass from the live holes. TheÂ frass collected was zero at 35 to 45 days after treatments during the fi rst year while during second year, the activityÂ of the stem borer was completely ceased up to 55 days after treatment which is indicated by the zero amount ofÂ frass collected from the live holes. The standard check (dichlorvos stem injection (80 ml/l), though was effective upÂ to 10 days of the treatments, thereafter the effi cacy of the treatment steadily decreased, and towards 55 to 60 daysÂ after treatment, it was almost on par with the untreated check. The total and average frass obtained was less inÂ the treatment with chlorantraniliprole 0.4 GR (Ferterra) @ 15 g/vine. Further, the grape berry yield recorded wasÂ maximum in the treatment with chlorantraniliprole 0.4 GR (Ferterra) @ 15 g/vine which is on par with the higherÂ dose of chlorantraniliprole 0.4 GR (Ferterra) i.e., 20 and 30 g/vine. The study inferred that the grape stem borerÂ can be successfully managed with soil application of chlorantraniliprole 0.4 GR (Ferterra) @ 15 g/vine.
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