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Morphological and chemical characteristics of onion plants (Allium cepa L.) associated with resistance to onion thrips Agronomy
Silva, Vitor Cezar Pacheco da; Bettoni, Marcelle Michelotti; Bona, Cleusa; Foerster, Luís Amilton.
Thrips tabaci Lindeman is the main pest of onion crops, and chemical control is the main method adopted by farmers. Alternative control methods should be prioritised to reduce the amount of insecticides used. Resistant cultivars are one efficient way to control thrips in the field. Our aim was to assess the influence of morphological and chemical characteristics of seven onion cultivars and their resistance to T. tabaci. The number of thrips and the morphological and chemical characteristics of the plants were assessed. Among the evaluated cultivars, Alfa São Francisco RT, BR 29 and Sirius showed resistance to T. tabaci, as indicated by the lower number of thrips observed during the cycle (64, 87, and 74 thrips, respectively). Morphological and chemical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.02.02-8 Thrips tabaci; Thysanoptera; Thripidae; Onion; Plant resistance to insects Entomologia Agrícola.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17436
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