Field Evaluation of Emamectin Benzoate 5 SG against Okra Fruit Borers
-
Author:K. Govindan, K. Gunasekaran and S. Kuttalam
p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:99, Issue:jul-sep
DOI: https://doi.org/10.29321/MAJ.10.100150
Abstract
Two field experiments were conducted, the first season at Vandikaranoor during March
2008-June 2008 and the second season at Puttur during July 2008 – October 2008 to evaluate
the bio efficacy of emamectin benzoate 5 SG at four doses viz., 9, 11,13 and 15 g a.i. ha-1 for the
control of okra fruit borers viz., Earias vittella Fabricius and Helicoverpa armigera Hubner.
The new formulation of emamectin benzoate 5 SG at 11 and 13 g a.i. ha -1 was highly effective
and reduced the fruit damage when compared to standard check, Proclaim ® (emamectin
benzoate 5 SG at 11g a.i. ha -1 ) and endosulfan 35 EC @ 350 g a.i. ha -1 . The lowest fruit damage
was recorded with the application of emamectin benzoate 5 SG at 11 g a.i. ha -1 and it was on
par with 13 g a.i. ha -1 although the per cent fruit damage was less in all emamectin benzoate
5 SG doses which ultimately increased the fruit yield of okra.
Key words : Field efficacy, Emamectin benzoate 5 SG, Fruit borers, Okra,