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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
01/11/1991 |
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Data da última atualização: |
19/02/2025 |
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Autoria: |
MITCHELL, R. G.; WARING, R. H.; PITMAN, G. B. |
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Título: |
Thinning lodgepole pine increases tree vigor and resistance to mountain pine beetle. |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
Forest Science, v. 29, n. 1, p. 204-211, 1983. |
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Idioma: |
Inglês |
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Conteúdo: |
T. Thinned and unthinned stands of lodgepole pine in eastern Oregon were evaluated in 1980 to determine their vigor and susceptibility to attack by outbreak populations of the mountain pine beetle. Application of a vigor rating system, based on amount of stem growth per square meter of crown leaf area, showed that thinnings from below improved vigor of residual stand and reduced beetle attack. Beetle mortality was significant in unthinned and lightly thinned stands where current annual growth of stemwood of residual trees averaged less than 80 g/m-' of foliage. Stands with mean vigor ratings of about 100 were beginning to suffer beetle attack. There was no mortality in heavily thinned stands where vigor ratings exceeded 120. These findings suggest that lodgepole pine can be managed through stocking control to obtain fast-growing, largediameter trees and to avoid attack by the mountain pine beetle. |
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Palavras-Chave: |
Dendroctonus ponderosa; Pine. |
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Thesagro: |
Besouro; Praga. |
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Thesaurus Nal: |
Pinus contorta. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 01486naa a2200205 a 4500
001 1279658
005 2025-02-19
008 1983 bl uuuu u00u1 u #d
100 1 $aMITCHELL, R. G.
245 $aThinning lodgepole pine increases tree vigor and resistance to mountain pine beetle.$h[electronic resource]
260 $c1983
520 $aT. Thinned and unthinned stands of lodgepole pine in eastern Oregon were evaluated in 1980 to determine their vigor and susceptibility to attack by outbreak populations of the mountain pine beetle. Application of a vigor rating system, based on amount of stem growth per square meter of crown leaf area, showed that thinnings from below improved vigor of residual stand and reduced beetle attack. Beetle mortality was significant in unthinned and lightly thinned stands where current annual growth of stemwood of residual trees averaged less than 80 g/m-' of foliage. Stands with mean vigor ratings of about 100 were beginning to suffer beetle attack. There was no mortality in heavily thinned stands where vigor ratings exceeded 120. These findings suggest that lodgepole pine can be managed through stocking control to obtain fast-growing, largediameter trees and to avoid attack by the mountain pine beetle.
650 $aPinus contorta
650 $aBesouro
650 $aPraga
653 $aDendroctonus ponderosa
653 $aPine
700 1 $aWARING, R. H.
700 1 $aPITMAN, G. B.
773 $tForest Science$gv. 29, n. 1, p. 204-211, 1983.
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| 1. |  | KÜCKELHAUS, S. A. S.; AQUINO, D. S. de; BORGES, T. K.; MOREIRA, D. C.; LEITE, L. de M.; MUNIZ-JUNQUEIRA, M. I.; KÜCKELHAUS, C. S.; ROMERO, G. A. S.; PRATES, M. V.; BLOCH JUNIOR, C.; LEITE, J. R. S. A. Phylloseptin-1 is Leishmanicidal for Amastigotes of Leishmania amazonensis inside infected macrophages. International Journal of Environmental Research and Public Health, v. 17, n. 13, article 4856, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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