Abstract
Nine insecticides and a natural product were evaluated in the field at Peruvannamuzhi (Kerala) for their efficacy against shoot borer (Conogethes punctiferalis), a serious insect pest of ginger (Zingiber officinale) for two years. Pooled analysis of two years data indicated that chlorantraniliprole 0.01% was the best treatment with a mean pseudostem damage of 2.6% which was on par with flubendiamide 0.02% (4.1%), spinosad 0.0225% (6.5%) and cyantraniliprole 0.005% (8.8%), when sprayed at 15 day intervals during the second fortnight of July to the first fortnight of November. The trials indicated that that these low-risk insecticides and natural product can be utilized for the management of C. punctiferalis in ginger with reduced risk to the environment.
Highlights
The shoot borer (Conogethes punctiferalis Guen.) (Lepidoptera: Crambidae), is the most serious insect pest on ginger (Zingiber officinale Rosc.), widely used as a spice and in traditional medicine across the world
Trials were conducted with the objective of finding out safer insecticides and natural products for management of C. punctiferalis in ginger and the results are presented in this paper
During 2015-16, the mean pseudostem damage was lowest (2.2%) in plots treated with chlorantraniliprole 0.01% which was on par with flubendiamide 0.02% (4.1%), spinosad 0.0225 (7.0%) and cyantraniliprole 0.005% (11.3%) (Table 1)
Summary
The shoot borer (Conogethes punctiferalis Guen.) (Lepidoptera: Crambidae), is the most serious insect pest on ginger (Zingiber officinale Rosc.), widely used as a spice and in traditional medicine across the world. The present management strategy for C. punctiferalis includes spraying malathion 0.1% (Koya et al 1988) or quinalphos 0.05% + Ozoneem 1500 ppm (3 ml L-1) (Mhonchumo et al 2010). Trials were conducted with the objective of finding out safer insecticides and natural products for management of C. punctiferalis in ginger and the results are presented in this paper.
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