PMID: 11332838May 3, 2001Paper

Effects of neem seed derivatives on behavioral and physiological responses of the Cosmopolites sordidus (Coleoptera: Curculionidae)

Journal of Economic Entomology
T MusabyimanaZ R Khan

Abstract

Both in a choice and multi-choice laboratory tests, fewer adults of the banana root borer, Cosmopolites sordidus (Germar), settled under the corms of the susceptible banana "Nakyetengu" treated with 5% aqueous extract of neem seed powder or cake or 2.5 and 5% emulsified neem oil than on water-treated corms. Feeding damage by larvae on banana pseudostem discs treated with 5% extract of powdered neem seed, kernel, or cake, or 5% emulsified neem oil was significantly less than on untreated discs. The larvae took much longer to locate feeding sites, initiate feeding and bore into pseudostem discs treated with extract of powdered neem seed or kernel. Few larvae survived when confined for 14 d on neem-treated banana pseudostems; the survivors weighed two to four times less than the larvae developing on untreated pseudostems. Females deposited up to 75% fewer eggs on neem-treated corms. In addition, egg hatching was reduced on neem-treated corms. The higher the concentration of neem materials the more severe the effect.

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Citations

May 16, 2008·Parasitology Research·Sirisuda SiriwattanarungseeKom Sukontason
Sep 27, 2008·Pakistan Journal of Biological Sciences : PJBS·Hojat KhoshnoudParisa Alahyary
Sep 30, 2008·Pakistan Journal of Biological Sciences : PJBS·H KhoshnoudH Salehzadeh
Dec 4, 2012·Journal of Pest Science·Sylwia Goławska, Iwona Lukasik
Apr 28, 2017·Archives of Insect Biochemistry and Physiology·Vijaya Movva, Usha Rani Pathipati
Nov 8, 2018·PeerJ·Govinda ShresthaGadi V P Reddy

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