Data/hora: 09/06/2024 15:56:06

Provedor de dados: | 82
País: | Brazil
Título: | Use of grafting to prevent Hypsipyla grandella (Zeller) (Lepidoptera: Pyralidae) damage to new world Meliaceae species
Autores: | Perez,Julian; Eigenbrode,Sanford D; Hilje,Luko; Tripepi,Robert R; Aguilar,Maria E; Mesen,Francisco.
Data: | 2010-08-01
Ano: | 2010
Palavras-chave: | Cedrela; Swietenia; Khaya; Toona; Graft; Mahogany shootborer.
Resumo: | The susceptible species Cedrela odorata and Swietenia macrophylla to attack by Hypsipyla grandella (Zeller) larvae were grafted onto the resistant species Khaya senegalensis and Toona ciliata. Six-month-old grafted plants were then compared to their reciprocal grafts and to both intact (non-grafted) and autografted plants for damage due to H. grandella larvae and for their effects on larval performance. Two experiments were conducted: one in which the apical bud of the main plant shoot was inoculated with H. grandella eggs, and the other in which the bud was inoculated with third instars. Damage in each experiment was assessed by the number of frass piles, number and length of tunnels, number of damaged leaves, and damage to the apical bud. Larval performance was evaluated in terms of time to reach pupation and pupal weight and length. In both experiments, plant damage differed significantly among treatments (P &lt; 0.03). Resistant rootstocks conferred resistance to susceptible scions. In both experiments, grafting by itself, regardless of the rootstock and scion combination, also reduced damage caused by H. grandella larvae. Scions of autografted susceptible species had similar resistance to susceptible scions grafted on resistant rootstocks. Few larvae reached pupation, and their pupal weight and length were similar.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000400024
Editor: | Sociedade Entomológica do Brasil
Relação: | 10.1590/S1519-566X2010000400024
Formato: | text/html
Fonte: | Neotropical Entomology  v.39 n.4 2010
Fonte: | info:eu-repo/semantics/openAccess