منابع مشابه
Seedling development and biomass as affected by seed size and morphology in durum wheat
This work evaluated the effect of seed size and morphology on the development and biomass of durum wheat seedlings. Three different seed-grading sizes selected by sieving were used in glasshouse experiments, and a set of three developmental and 23 biomass-related indices were measured on eight genotypes, at two moisture levels. The influence of seed size on seedling development was studied at h...
متن کاملSeed mass, seedling size and neotropical tree seedling establishment
1 We examined amongand within-species effects of seed mass for seedling establishment from seed to 5 years of age in a field experiment at Paracou, French Guiana. 2 Six seeds of each of eight species were weighed and planted into each of 120 plots (1 m 2 ) throughout closed-canopy forest along 12 100-m transects in 1998. 3 We described the microhabitat of each planting site using principal comp...
متن کاملSeed Size as Key Factor in Germination and Seedling Development of Copaifera langsdorffii (Fabaceae)
Seed size is a plastic trait of the plants that directly affect seed germination and seedling recruitment. This study aimed to investigate the relationship between seed size, seed germinability and seedling performance of Copaifera langsdorffii by testing four hypotheses: 1) larger seeds have higher germination percentage; 2) smaller seeds require less time to germinate and for initial developm...
متن کاملSEED DISPERSAL BY RED-RUFFED LEMURS: SEED SIzE, VIABILITY, AND BENEFICIAL EFFECT ON SEEDLING GROwTH
Frugivorous vertebrates play a critical role as seed dispersers of many tropical fruiting plants. In Madagascar, lemurs are the principal dispersers of fruit-bearing plants. This study aims to highlight the potential ecological role of the redruffed lemur (Varecia rubra) in the regeneration of a degraded forest, based on the quantity and size of passed seeds, their viability and germination, an...
متن کاملSeed germination and seedling growth of three sorghum (Sorghum bicolor L.) genotypes as affected by low temperatures
Sorghum (Sorghum bicolor L.) originated in the semi-arid tropics and generally is sensitive to low-temperature stress. Chilling stresses include low temperature (below 20 °C) and freezing injury (below 0 °C). In this study seed germination and seedling growth of three sorghum genotypes (KFS1, KFS2 and Speedfeed) were examined under four temperature regimes (35/15, 20/10, 13/10 and 11/8) conditi...
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ژورنال
عنوان ژورنال: Agronomy Journal
سال: 1999
ISSN: 0002-1962,1435-0645
DOI: 10.2134/agronj1999.00021962009100020025x