Results 11 to 20 of about 15,505 (114)

The Evolution of Self-Pollination in Clarkia xantiana [PDF]

open access: yesEvolution, 1965
The evolutionary effects of outbreeding and inbreeding systems have caused considerable interest and speculation over the years and their influence in changing gene frequencies has been formalized mathematically (see Fisher, 1949; Wright, 1921). A large body of data is available on the genetical basis of the sex and incompatibility mechanisms promoting
D. M. Moore, Harlan Lewis
openaire   +1 more source

Allelic Differences at Two Loci Govern Different Mechanisms of Intraflower Self-Pollination in Self-Pollinating Strains of Periwinkle [PDF]

open access: yesJournal of Heredity, 2004
Periwinkle [Catharanthus roseus (L.) G. Don], an ornamental and medicinal plant, is a self-compatible, insect-pollinated plant species in which intraflower self-pollination does not occur because of spatial separation of the stigma and anthers. Recently three self-pollinating strains-MJ, VI, and OR-were identified. Self-pollination in these strains was
R N, Kulkarni, Y, Sreevalli, K, Baskaran
openaire   +2 more sources

Self-pollination and expanding range [PDF]

open access: yesScience, 2015
Plant Biogeography![Figure][1] Species ranges are larger in plants that are able to self-pollinate than in those that must receive pollen from another individual, such as these dwarf monkey flowers in Oregon PHOTO: © DENNIS FRATES/ALAMY The mating system of a plant species may play an important role in determining its geographic range size ...
openaire   +1 more source

The influence of previous self-pollination on later cross-pollination in self-incompatible almond cultivars

open access: yesThe Journal of Horticultural Science and Biotechnology, 2002
The effect of previous self-pollination in self-incompatible almond cultivars on later poflen germination, pollen tube growth. and fruit set when pollen of a cross-compatible cultivar reached the stigma, was studied. Two self-incompatible almond cultivars, Garrigues and Ramillete, were self-pollinated and later pollinated with pollen from the cross ...
Egea, José   +3 more
openaire   +2 more sources

Self-sterility, self-incompatibility and xenia: a review of the mechanisms of cross-pollination benefits in animal-pollinated crops

open access: yesAnnals of Botany
Abstract Background While there are multiple mechanisms of self-incompatibility (SI), known to promote outbreeding in angiosperms, these are not well synthesized and described across major global crops.
Chabert, Stan, Mallinger, Rachel
openaire   +3 more sources

Precocious genotypes and homozygous tendency generated by self-pollination in walnut. [PDF]

open access: yesBMC Plant Biol, 2018
Chen L   +7 more
europepmc   +1 more source

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