Management practices against the eggplant leafhopper Amrasca biguttula biguttula Ishida on eggplant

Issue Date

10-2004

Abstract

The study was carried out to develop an economical and environmentally sound management strategy against the eggplant leafhopper, Amrasca biguttula biguttula Ishida, on eggplant. The study involved the use of Metarhizium anisopliae, rice straw mulch, plastic mulch, and insecticide and evaluation of their effects on population density of eggplant leafhopper. No M. anisopliae was isolated from the collected insects. Alternatively, three isolates of M. anisopliae were evaluated against the eggplant leafhopper. Results revealed a very low percentage (10%) mortality indicating that M. anisopliae was ineffective against the eggplant leafhopper, and therefore was not evaluated anymore in the field. Fipronil gave the highest mean reduction in eggplant leafhopper population and highest yield over the other treatments but the differences among the treatment means were not significant. Moreover, the highest return on investment was obtained from fipronil (44.41%), followed by plastic mulch (38.87%), biological control treatment (22.4%) and rice straw mulch (15.36%). Results indicated that it would be advisable for a farmer with enough capital to use fipronil and plastic mulch.

Source or Periodical Title

Philippine Entomologist

ISSN

0048-3753

Volume

18

Issue

2

Page

175

Document Type

Article

Frequency

semi-annually

Language

English

En – AGROVOC descriptors

AMRASCA BIGUTTULA; METARHIZIUM ANISOPLIAE; EGGPLANTS; PLANT PESTS; FIPRONIL; PEST MANAGEMENT

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