2006
DOI: 10.1007/s11056-005-3391-1
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The Effects of Seed Mass on Germination, Seedling Emergence, and Early Seedling Growth of Eastern White Pine (Pinus strobus L.)

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Cited by 62 publications
(54 citation statements)
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“…Stand density and thinning of conifer stands have comparatively less effect on seed germinability and mass than on seed production (Barnes 1969, Graber 1970, Karlsson 2006). In our study, harvesting of old-growth white pine stands had no effect on seed germination performance and seed mass, with values for both similar to those reported for second-growth stands (Graber 1970;Parker et al 2004Parker et al , 2006Noland et al 2006). Where seedbed and understory environmental conditions are favourable for germination, emergence, and early establishment, our results suggest it is unlikely that the viability and mass of seed produced by old-growth white pine stands will compromise natural regeneration potential (Baskin and Baskin 1998, Greene et al 1999).…”
Section: Seed Characteristics and Germination Performancesupporting
confidence: 84%
“…Stand density and thinning of conifer stands have comparatively less effect on seed germinability and mass than on seed production (Barnes 1969, Graber 1970, Karlsson 2006). In our study, harvesting of old-growth white pine stands had no effect on seed germination performance and seed mass, with values for both similar to those reported for second-growth stands (Graber 1970;Parker et al 2004Parker et al , 2006Noland et al 2006). Where seedbed and understory environmental conditions are favourable for germination, emergence, and early establishment, our results suggest it is unlikely that the viability and mass of seed produced by old-growth white pine stands will compromise natural regeneration potential (Baskin and Baskin 1998, Greene et al 1999).…”
Section: Seed Characteristics and Germination Performancesupporting
confidence: 84%
“…Espécies com grandes sementes apresentam maior persistência e estabelecimento sobre ampla faixa de condições ambientais, enquanto espécies com sementes de tamanho pequeno são mais dependentes de perturbação (Burke & Grime 1996). Grandes sementes aumentam a sobrevivência de plântulas, porém, para essa relação ser compreendida se faz necessário entender como as reservas da semente são utilizadas durante a germinação e estabelecimento inicial da plântula (Kitajima & Fenner 2000 O peso da semente representa uma forte infl uência no estabelecimento da planta, com sementes mais pesadas exibindo, frequentemente, maior comprimento inicial de plântulas e melhor sobrevivência sob pouca luz (Parker et al 2006). Por outro lado, para Harper et al (1970) sementes pequenas têm maior facilidade em obter água para germinação do que sementes grandes, devido à maior razão superfície/volume.…”
Section: Resultsunclassified
“…A massa das sementes é apontada como uma característica que favorece a germinação e o crescimento inicial de suas plântulas (Weis, 1982;Morse & Schmitt, 1985;Soltani et al, 2002), fazendo com que as sementes maiores apresentem uma emergência de plântulas mais rápida e um maior tamanho inicial (Parker et al, 2006).…”
Section: Introductionunclassified