Growth Potentials of Fifteen Provenances of White Spruce from Canada, Tested in Maryland

Genys, John B.

doi:10.2307/1351323

Cited by 2 publications

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“…Its variability at different ages has been assessed by several workers. Expected gains from selection of superior provenances were predicted (Genys 1986;Corriveau and Boudoux 1971;Khalil 1985a;Beaulieu and Corriveau 1985). Effects of inbreeding and inter-provenance breeding on growth performance also have been reported (Ying 1978;Park et al 1984) and early growth heritability and genetic gains from selection estimated (Holst and Teich 1969;Nienstaedt and Riemenschneider 1985;Ying and Morgenstern 1979;Khalil 1985b).…”

Section: Introductionmentioning

confidence: 89%

Heritability and genetic correlations of wood characters of Upper Ottawa Valley white spruce populations grown in Quebec

Corriveau¹,

Beaulieu²,

Daoust³

1991

The Forestry Chronicle

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RCsumCThe degree of inheritance and the genetic correlations of white Le degrC de transmissibilitC et de correlation gCnCtique des spruce wood characters were studied from 39 half-sib families caractkristiques du bois de I'Cpinette blanche a CtC CtudiC, 19 ans of eight populations from the Upper Ottawa Valley, 19 years aprbs plantation. Trente-neuf demi-fratries issues de huit popuafter planting. The results indicated that these characters differ lations ont CtC CchantillonnCes dans la vallCe de la rivibre Outsignificantly among half-sib families. Furthermore, the study aouais. Les rCsultats obtenus indiquent que les caractkristiques showed that white spruce wood characters are genetically related.de bois des demi-fratries diffirent significativement. De plus, Strong genetic correlations exist between the characters of inner les caractiristiques du bois de 1'Cpinette blanche sont gCnCtiquewood and those of outer wood. Moderate to strong genetic conment likes. Une liaison gCnCtique forte existe entre les caractrol of outer wood characters was found while inner wood tkristiques du bois prbs de la moelle d'une part et celles du bois characters were found to be much more influenced by environprbs de 1' Ccorce d'autre part. I1 a CtC dCmontrC que les caracmental factors. Expected genetic gains from a sequential twotkristiques du bois prbs de I'Ccorce sont sous fort contr6le gCnCstep selection strategy were calculated.tique alors que celles du bois prbs de la moelle sont davantage influencCes par les conditions environnmentales. Les gains gCnttiques espCrCs d'une sClection en deux Ctapes ont CtC calculCs.

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