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Compared nymphal development of Tingis americana (Hemiptera, Tingidae) in two Handroanthus species (Bignoniaceae) and reproductive parameters in seedlings of Handroanthus heptaphyllus Iheringia, Sér. Zool.
Moreira,Daiane C.; Redaelli,Luiza R.; Guidoti,Marcus; Barcellos,Aline.
Nymphs and adults of Tingis americana Drake, 1922 were found feeding on leaves of Handroanthus heptaphyllus (Vell.) Mattos and Handroanthus chrysotrichus (Mart. ex A. DC.) Mattos in the Botanic Garden, Porto Alegre, state of Rio Grande do Sul, Brazil. This is the first record of T. americana on these host plants and in the southern Brazil. We aimed to compare the nymphal development on both hosts and to analyze the reproductive parameters on H. heptaphyllus (25 ± 1ºC; 60 ± 10% RH; 16 h photophase). The mean nymphal period (days) was shorter in individuals reared on H. heptaphyllus (12.69 ± 0.076) than on H. chrysotrichus (19.11 ± 0.208) (P < 0.0001), however, nymph viability was similar. On H. heptaphyllus, the mean embryonic period lasted 12.32 ± 0.274...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biology; Life cycle; Handroanthus chrysotrichus; Lace bug.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212013000200015
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Growth of yellow ipe in central region of Rio Grande do Sul State, Brazil PFB - Pesquisa Florestal Brasileira
Zimmermann, Anna Paula; Rorato, Daniele Guarienti; Schröder, Thomas; Schneider, Paulo Renato; Dutra, Adriana Falcão.
This study aimed to analyze the growth in diameter and height of individuals Handroanthus chrysotrichus through models based on age, in a stand in the municipality of São Pedro do Sul, State of Rio Grande do Sul, Brazil. Data are from three representative trees of the population and were obtained from stem analysis. The diameter growth of Handroanthus chrysotrichus trees in a function of age was best explained by the allometric model. For height the negative exponential model showed better statistical parameters. Selected models explain more than 92% of the variation and configure as adequate tools for the management of this species.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Handroanthus chrysotrichus; Growth model; Plantation Manejo de Florestas Nativas; Crescimento e produção florestal Handroanthus chrysotrichus; Modelo de crescimento; Plantação.
Ano: 2014 URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/546
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