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Avaliação do látex e da borracha de clones de seringueiras da Região de Matão, (SP). Infoteca-e
MORENO, R. M. B.; FERREIRA, M.; VAIDERGORIN, E. Y. L.; SEGNINI JUNIOR, I.; GONÇALVES, P. de S.; MATTOSO, L. H. C..
1998
Tipo: Séries anteriores (INFOTECA-E)
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/30474
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Components of variance and interaction between genotype and environment for annual girth increment in rubber tree. Repositório Alice
GONCALVES, P. de S.; GALLO, P. B.; SEGNINI JUNIOR, I.; ORTOLANI, A. A.; BRIOSCHI, A. P.; LANDELL, M. G.; SOUZA, S. R. de..
To determine the nature and extent of genetical and environmental control of vigour through annual girth increment in rubber trees [Hevea brasiliensis (Willd.ex Adr. de Juss.) Muell.Arg.], seven clones were studied in a replicated trial in Sao Paulo State at four different locations. The clones represented a range of imported germplasm while the locations were selected to represent a range of rubber growing areas. Trees were studied for annual girth increment over five years before the initiation of tapping for latex. The results of the analyses show a consistent decrease in genetic component over the five years from 10 per cent to 0,5 per cent with a corresponding increase in the effect of environment (19,0 per cent to 93,0 per cent). The genotype x...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Hevea brasiliensis; Clones; Correlacao genetica; Genetic correlations.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/handle/doc/87644
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Phenotypic stability and genetic gains in six-year girth growth of hevea clones. Repositório Alice
GONCALVES, P. de S.; FUJIHARA, A.K.; ORTOLANI, A.A.; BATAGLIA, O.C.; BORTOLETTO, N.; SEGNINI JUNIOR, I..
Rubber tree (Hevea brasiliensis (Willd.ex Adr. de Juss.) Muell. arg.) budgrafts of seven were evaluated on five constrasting sites in the plateau region of the Sao Paulo State, Brazil. The objective of this work was to study the phenotypic stability for girth growth. The experimental design was a randomized block design with three replications and seven treatments. Analysis of variance of girth at six-year plant growth indicated a highly significant colone x site interaction. Only linear sites and clone x site components of clone x year interaction were significant, indicating that the performance of clones over sites for this trait could be predicted. The clones GT 1 and PB 235 showed the greatest stability in relation to girth growth, with foreseen...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Rubber tree; Hevea brasiliensis; Heritability; Repeatability; Herdabilidade; Repetibilidade.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/handle/doc/95501
Registros recuperados: 3
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