Results 211 to 220 of about 17,455 (256)
Natural Variation in Sexual Traits and Gene Expression between Selfing and Outcrossing Arabidopsis lyrata Suggests Sexual Selection at Work. [PDF]
Plant Cell Physiolİltaş Ö +2 more
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Evolution; International Journal of Organic Evolution, 1993 Multilocus outcrossing rates were estimated in natural and experimental populations of Salvia pratensis, an entomophilous, gynodioecious, protandrous perennial.
R Van Treuren +2 more
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Crop Science, 1991
Plant breeders shape breeding and seed increase programs, in part, according to the percent outcrossing in the species. Previous reports indicated that aeschynomene, Aeschynomene americana L., was almost entirely self‐pollinated. The objective of these experiments was to determine percent outcrossing under greenhouse and field conditions.
M. A. McKellar +2 more
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Plant breeders shape breeding and seed increase programs, in part, according to the percent outcrossing in the species. Previous reports indicated that aeschynomene, Aeschynomene americana L., was almost entirely self‐pollinated. The objective of these experiments was to determine percent outcrossing under greenhouse and field conditions.
M. A. McKellar +2 more
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Outcrossing in Annual Canarygrass
Crop Science, 2006Currently recommended minimum isolation distances of 3 and 10 m for pedigreed seed production of annual canarygrass (Phalaris canariensis L.; 2n = 2x = 12) may not be sufficient to maintain the purity of seed lots. The objective of this study was to estimate outcrossing (OC) rates of annual canarygrass over various distances and directions, using the ...
M. A. Matus‐Cádiz, P. Hucl
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Outcrossing and heterozygosity
Advances in Applied Probability, 1974A classical question in population genetics is ‘In a species in which there is obligate outcrossing is there an increased amount of heterozygosity?’. This somewhat vague question can have two different meanings: (1) Is the number of alleles maintained at a locus greater?
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Outcrossing and Recombination in the Lichenized Fungus Letharia
Fungal Genetics and Biology, 2001We report evidence for recombination in lichenized fungi based on sequenced nuclear DNA markers, judging from the incongruence of their gene genealogies. Recombining population structures were found in two phylogenetic species of Letharia, one species that is observed in nature to produce abundant sexual structures (ascomata) and another species that ...
S, Kroken, J W, Taylor
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GENETIC VARIATION FOR OUTCROSSING AMONG CAENORHABDITIS ELEGANS ISOLATES [PDF]
Evolution; International Journal of Organic Evolution, 2006 The evolution of breeding systems results from the existence of genetic variation and selective forces favoring different outcrossing rates. In this study we determine the extent of genetic variation for characters directly related to outcrossing, such ...
Henrique Teotônio +2 more
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AN ANALYSIS OF OUTCROSSING IN CERTAIN COMPLEX‐HETEROZYGOUS EUOENOTHERAS. I. FREQUENCY OF OUTCROSSING
American Journal of Botany, 1962Hoff, Victor J. (U. Arkansas, Fayetteville.) An analysis of outcrossing in certain complex‐heterozygous Euoenotheras. I. Frequency of outcrossing. Amer. Jour. Bot. 49(7): 715–721. 1962.—Eleven complex‐heterozygous races of Euoenothera were used for study.
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