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Titolo:
ESTIMATION OF FAGUS-SYLVATICA L MATING SYSTEM PARAMETERS IN NATURAL-POPULATIONS
Autore:
MERZEAU D; COMPS B; THIEBAUT B; LETOUZEY J;
Indirizzi:
UNIV BORDEAUX 1,DEPT BIOL VEGETAUX LIGNEUX,ECOL GENET LAB,AVE FAC F-33405 TALENCE FRANCE UNIV MONTPELLIER 2,INST BOT F-34000 MONTPELLIER FRANCE CTR LOUIS EMBERGER,CNRS F-34033 MONTPELLIER FRANCE
Titolo Testata:
Annales des Sciences Forestieres
fascicolo: 2, volume: 51, anno: 1994,
pagine: 163 - 173
SICI:
0003-4312(1994)51:2<163:EOFLMS>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
DOUGLAS-FIR; OUTCROSSING RATE; PLANT-POPULATIONS; SEED ORCHARD; ALLOZYME; MODEL; PINE; POLYMORPHISMS; HETEROGENEITY; VARIABILITY;
Keywords:
MATING SYSTEM; OUTCROSSING RATE; POLLEN HETEROGENEITY; BEECH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
45
Recensione:
Indirizzi per estratti:
Citazione:
D. Merzeau et al., "ESTIMATION OF FAGUS-SYLVATICA L MATING SYSTEM PARAMETERS IN NATURAL-POPULATIONS", Annales des Sciences Forestieres, 51(2), 1994, pp. 163-173

Abstract

The mating system of beech (Fagus sylvatica L) was investigated usingpolymorphism at 4 allozyme loci and the multilocus model of Ritland and Jain (1981). Beech appears to be a highly outcrossing species: the outcrossing rate ranges from 0.94 to 1. No significant differences were found in outcrossing rates according to environmental factors or among or within trees. Comparison of single-locus and multilocus estimates indicated that little or no inbreeding occurred. Outcross pollen pool was not homogeneous and heterogeneity in pollen allelic frequencies was observed even among nearby trees. A possible explanation may be the temporal variability of the pollen pool due to variation in flowering time and to matings between phenologically synchronous trees.

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Documento generato il 05/12/20 alle ore 16:28:05