Results 171 to 180 of about 2,145 (200)

A Comparative Assessment of Self-limiting Genetic Control Strategies for Population Suppression. [PDF]

Mol Biol Evol
Han Y, Champer J.
europepmc   +1 more source

Genome-Wide Identification and Expression Analysis of the <i>CaM</i> Gene Family in Tree Peony (<i>Paeonia ostii</i>) During the Pistil Pollination Process. [PDF]

Curr Issues Mol Biol
Zhao G, Lv S, Zhao Y, Li Y, Hou X.
europepmc   +1 more source

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Late-acting self-incompatibility in tea plant (Camellia sinensis)

Biologia (Poland), 2012
The self-incompatibility of tea plant (Camellia sinensis (L.) O. Kuntze) was studied with the methods of aniline blue fluorescence assay and paraffin sections. The characteristics of pollen tube elongation after hand pollination was analyzed in 4 tea cultivars, including 'Keemenzhong', 'Longjing-changye', 'Fuding-dabaicha' and 'Yabukita', under self ...
Xuan Chen, Wanping Fang, Yuhua Wang
exaly   +2 more sources

Late-acting self-incompatibility in angiosperms

Botanical Review, The, 1986
In most self-incompatible (SI) plants, pollen tube growth in self-pollinated flowers is inhibited on the stigma or in the style. SI systems that operate in the ovary have been assumed to be extremely rare. Evidence from many plant species is presented to show that the SI barriers in the ovary, described here as late-acting SI systems, are quite common.
Kamaljit S Bawa, Bawa Kamaljit S
exaly   +2 more sources

Confocal observations of late-acting self-incompatibility in Theobroma cacao L.

Sexual Plant Reproduction, 2012
Cocoa (Theobroma cacao) has an idiosyncratic form of late-acting self-incompatibility that operates through the non-fusion of incompatible gametes. Here, we used high-resolution confocal microscopy to define fine level changes to the embryo sac of the strongly self-incompatible cocoa genotype SCA 24 in the absence of pollination, and following ...
Mike J Wilkinson
exaly   +4 more sources

Floral morphology and late-acting self-incompatibility inApocynum cannabinum (Apocynaceae)

Plant Systematics and Evolution, 1999
Scanning electron and fluorescence microscopy were used to clarify some aspects of the floral morphology ofApocynum cannabinum. Insects are required for pollination, since the floral morphology prevents autogamy and minimizes intrafloral self-pollination. Flowers hand-pollinated with self-pollen never set fruit, but 10.6% of cross-pollinations produced
Sara R Lipow, Robert Wyatt
exaly   +2 more sources

A study of the mating system in Dolichandra cynanchoides (Bignoniaceae): an Argentinian Chaco woodlands liane with a late-acting self-incompatibility

Plant Systematics and Evolution, 2005
We estimated the outcrossing rate in a population of 14 individuals of Dolichandra cynanchoides (Bignoniaceae), a species with late-acting self-incompatibility (LSI), at a site in Chaco woodland in Santa Fe province, Argentina. A subsample of five arbitrarily chosen loci from a total of 16 allozyme loci gave mating system parameters of tm=0.881 (SD 0 ...
S A Harris, P E Gibbs, Darién E Prado
exaly   +3 more sources

Late-acting self-incompatibility: a barrier to self-fertilization in sunnhemp (Crotalaria juncea L.)

Euphytica, 2018
In search of causal factors underlying perceived allogamy in sunnhemp (Crotalaria juncea L.), we investigated the breeding system and pollen–pistil interaction. Floral biology study in the species established Fabaceae type hermaphrodite zygomorphic flower with dimorphic anthers.
Maruthi Rangappa Thimmaiah
exaly   +2 more sources