Abstract
Three botanical oils and of microbial derivatives an acaricide (Abamectin) were evaluated for their efficacy in controlling yellow mite Polyphagotarsonemus latus in the field laboratory of Entomology, Bangladesh Agricultural University, Mymensingh. The selected botanical oils viz. Neem oil, Mahogany oil and Karanja oil and the acaricide Ambush 1.8 EC were tested against jute yellow mite on standing jute plants of the experimental plots and assessed for their effect on the basis of population of the pest at 24, 48 and 72 hours after treatment and the reduction of yellow mite infested plant after 7 and 10 days of spraying. The acaricide Ambush 1.8 EC was highly effective showing reduction of 80.25% mite infested plant. Among the botanicals, Neem oil and Mahogany oil showed better efficacy and caused 60.55 % and 55.89 % reduction of mite infestation. Karanja oil was not found promising in controlling yellow mite of jute. Considering the effectiveness against the mite pest as well as the environmental safety, use of Neem and Mahogany oil and also the reduced risk acaricide, Ambush 1.8 EC might be suggested in the IPM of yellow mite.J. Bangladesh Agril. Univ. 14(1): 1-6, June 2016
Highlights
Jute is a renewable natural fibre popularly known as the golden fibre
Young 3rd leaves from the tip were collected at 60, 90 and 120 days after sowing (DAS), because yellow mites are commonly found on the lower surfaces of young apical leaves and flowers, where they deposit their eggs
Survival data of P. latus after 24 hours of spraying showed that there was a significant difference in the effect of the botanical oils and the acaricide
Summary
Jute is a renewable natural fibre popularly known as the golden fibre. It is one of the cheapest and strongest natural fibres. Jute is second only to cotton in world's production of textile fibers. It has many advantages over synthetics and protects the environment and maintains the ecological balance. Jute is one of the few crops, which can be grown in the monsoon season, and can be rotated with rice to restore the soil fertility and structure. The leaves of jute plants enrich the fertility of the soil for sustained agriculture, and have good nutrition value as vegetables. The increased global concern for the environment, the future prospects for jute remains high
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