1/1
3 files

Dataset: Efficacy of Biopesticides in Management of Potato Tuber Moth, Phthorimaea operculella (Zeller), in Three Different Cultivars of Potato under Storage

dataset
posted on 31.01.2022, 13:39 authored by Anupa Adhikari, Anup AdhikariAnup Adhikari
The potato Tuber Moth wreaks havoc on storage potato harvests through its larval tunneling and feeding which causing partial or complete decay by subsequent infection by fungi and/or bacteria. The study was carried out in Bhaktapur, Nepal, to see how effective various biopesticides are at controlling potato tuber moths in storage. It is therefore an attempt to evaluate the tolerance of potato varieties against potato tuber moth and also determine the most effective bio-pesticide. The study was carried out in Bhaktapur, Nepal, to see how effective various biopesticides are at controlling potato tuber moths in storage. It is therefore an attempt to evaluate the tolerance of potato varieties against potato tuber moth and also determine the most effective bio-pesticide. The study lasted from February to June 2021 conducted under a 2-factor CRD design with 3 replications. Three cultivars viz., Khumal Seto-1, Janak Dev and MS - 42.3 whereas five Biopesticides viz., Bacillus thuringiensis, Acorus calamus, Azadirachta indica, Artemisia vulgaris and control were used and altogether there were 15 treatment combinations.
Potato tubers used for the experiment were first washed and air-dried under shade. For each treatment, 500 g of potato tubers were placed in plastic boxes of dimension 22 cm x 15 cm x 8 cm. The tubers were artificially infested by 1-day larva of PTM @ 400 larvae/kg of potato using a fine hairbrush. The bio-pesticidal treatments were applied on the same day of infestation. Tissue paper was spread on the base of the plastic box for better visualization of larva and pupa.

Observations were made for intensity of infestation, tuber damage index, emergence of PTM adults, physiological loss in weight, decay loss and tuber damage score.

Acorus calamus had reduced larval mining by 88 % and eventually had reduced decay loss by 93 % as compared to control. The study revealed that Janak Dev showed tolerance and Acorus calamus provided the best protection against the damages caused by potato tuber moth.


History

Publisher

4TU.ResearchData

Time coverage

February to June 2021

Format

docx, csv, txt

Organizations

Agricultural and Forestry University, Nepal; Tribhuvan University, Nepal