Results 51 to 60 of about 6,476 (220)

Pollen-pistil interaction in Brassica oleracea

open access: yesPlanta, 1979
Quantitative studies of the adhesion of pollen grains to the stigma in Brassica oleracea revealed that self-pollen is initially less firmly bound than cross-pollen. The pollen grain tryphine, believed to be important in the adhesion process, has been shown to differ in mobility following self- and cross-pollination when observed using fluorescent ...
Stead, A, Roberts, I, Dickinson, H
openaire   +3 more sources

PEK14: A Kinesin‐4 Necessary for Male‐Derived Fertility in Arabidopsis thaliana

open access: yesCytoskeleton, EarlyView.
ABSTRACT Of the 61 kinesins annotated in Arabidopsis thaliana, many are still without assigned function. Here, we have screened an insertional mutant library of Arabidopsis pollen‐expressed kinesins for fertility defects. Insertional mutants for three kinesins showed a significant reduction in seed set.
Isabella N. Mendes   +6 more
wiley   +1 more source

Identification of a Novel SBP1-Containing SCFSFB Complex in Wild Dwarf Almond (Prunus tenella)

open access: yesFrontiers in Genetics, 2019
S-RNase-based gametophytic self-incompatibility (SI), in which specificities of pistil and pollen are determined by S-RNase and the S locus F-box protein, respectively, has been discovered in the Solanaceae, Plantaginaceae, and Rosaceae families, but ...
Bin Zeng   +13 more
doaj   +1 more source

Cytological investigation on pre and post fertilization barriers in interspecific cross of pigeonpea

open access: yesElectronic Journal of Plant Breeding, 2022
The research deals with cytological investigation on pre and post-fertilization barriers, pollen fertility assessment and in vitro pollen germination in Cajanus cajan (CO 8) and C. cajanifolius.
P. Ravali1, R. Kalaiyarasi1*, A. Thanga Hemavathy2 and M. Sudha3
doaj   +1 more source

Transcriptomic comparison of the self-pollinated and cross-pollinated flowers of Erigeron breviscapus to analyze candidate self-incompatibility-associated genes [PDF]

open access: yes, 2015
Table S1. Functional annotation of E.breviscapus transcriptome.
Chun-Hua Ma   +6 more
core   +2 more sources

Pollen?Pistil Interactions in Nicotiana tabacum [PDF]

open access: yesAnnals of Botany, 2000
Pollination involves a series of interactions between the surface of the male gametophyte and the extracellular matrix of several distinct sporophytic tissues in the pistil. Pollen germinates on the stigmatic surface and develops a tube that elongates in the transmitting tract of the style to transport the male gametes to the embryo sac inside the ...
openaire   +1 more source

Variation in pollen limitation among reproductive modules points to likely resource reallocation in the alpine plant Veratrum grandiflorum

open access: yesNordic Journal of Botany, EarlyView.
Pollen limitation, a decrease in seed production due to insufficient pollen receipt, may influence plant demography and the evolution of sexual systems. Its empirical estimation of pollen supplementation of some of the flowers on an individual is well known to be prone to overestimation due to potential resource reallocation among the individual's ...
Xia Jiang   +6 more
wiley   +1 more source

The influence of the progamic phase for fruiting in the apple tree [PDF]

open access: yes, 2013
24 p., 12 fig., 6 tabl. The definitive version is available at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1744-7348Final fruit production is the result of a number of processes, over which several environmental circumstances interact. But it is
Herrero Romero, María   +1 more
core   +2 more sources

Pollen-pistil interactions regulating successful fertilization in the Brassicaceae [PDF]

open access: yesJournal of Experimental Botany, 2010
In the Brassicaceae, the acceptance of compatible pollen and the rejection of self-incompatible pollen by the pistil involves complex molecular communication systems between the pollen grain and the female reproductive structures. Preference towards species related-pollen combined with self-recognition systems, function to select the most desirable ...
Laura A, Chapman, Daphne R, Goring
openaire   +2 more sources

Generalist‐pollinated Arabis alpina exhibits floral scent variation at multiple scales

open access: yesNordic Journal of Botany, EarlyView.
Plants that depend on animals for reproduction often use complex floral traits to attract pollinators. Floral scent is recognized as part of the pollinator attraction module and can be shaped by plant‐pollinator interactions. In recent decades, research has started to reveal the dynamic properties of floral scent, identifying patterns of spatial and ...
Hanna Thosteman   +5 more
wiley   +1 more source

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