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Antibiosis in Ascia monuste orseis Godart (Lepidoptera: Pieridae) caused by kale genotypes


L Nogueira
LA de Paiva
AC de Sousa Almeida
ZA Ribeiro
AL Boiça Junior
FG de Jesus

Abstract

Ascia monuste orseis (Lepidoptera: Pieridae) is one of the main insect pests of kale. The study was done to  identify kale varieties resistant to A. monuste orseis by the antibiosis resistance mechanism. Kale genotypes (26) were evaluated in experiments performed at the Laboratory of Agricultural Entomology of Goiano Federal Institute - Campus Urutaí. A completely randomized experimental design with 50 replicates was used. The biological parameters evaluated were (a) larval stage: development time, instars, viability and larval weight 15 days after hatching; (b) pupal stage: development time, weight of 24-h-old pupae, viability; (c) larvae-adult stage: development time and viability. The genotypes Gigante I-915 and Pires 1 de Campinas have antibiosis resistance. Gigante I-915 caused high larval mortality and Pires 1 de Campinas resulted in low larval and pupal viability of A. monuste orseis.

Key words: Brassica oleracea L. var. acephala, Brassicaceae, Great Southern White, host plant resistance, integrated pest management (IPM).


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eISSN: 1684-5315