Results 101 to 110 of about 2,997 (195)

Interspecific hybridization in the genus Hieracium s. str.: evidence for bidirectional gene flow and spontaneous allopolyploidization [PDF]

open access: yes, 2018
Although reticulation has indisputably played an important role in the evolutionary history of the genus Hieracium s. str. (Asteraceae), convincingly documented cases of recent interspecific hybridization are very rare.
Chrtek, Jindřich   +2 more
core  

Chromosome Pairing and Unreduced Gamete Formation in Nineteen Pomegranate (Punica granatum L.) Cultivars

open access: yesCYTOLOGIA, 2005
Pomegranate (Punica granatum L.) is among important horticultural plants of Iran cultivated in several regions of the country. There is very limited cytogenetic information available for pomegranate in general. Meiotic studies were performed on 19 pomegranate cultivars of Iran considering chromosome pairing, chiasma frequency, the occurrence and effect
Masoud Sheidai, Zahra Noormohammadi
openaire   +2 more sources

Dynamics of male meiotic recombination frequency during plant development using Fluorescent Tagged Lines in Arabidopsis thaliana [PDF]

open access: yes, 2017
Meiotic homologous recombination plays a central role in creating genetic variability, making it an essential biological process relevant to evolution and crop breeding.
De Storme, Nico, Geelen, Danny, Li, Fan
core   +1 more source

Gametic configuration and inheritance of SSR markers in tetraploid interspecific and intergeneric citrus somatic hybrids : S02P20 [PDF]

open access: yes, 2012
Citrus somatic hybridization has become an integral part of citrus improvement programs worldwide. More than 100 somatic hybrids have been created by Cirad.
Chahidi, B.   +8 more
core  

Implications of hybridisation and cytotypic differentiation in speciation assessed by AFLP and plastid haplotypes : a case study of Potentilla alpicola La Soie [PDF]

open access: yes, 2012
Background: Hybridisation is presumed to be an important mechanism in plant speciation and a creative evolutionary force often accompanied by polyploidisation and in some cases by apomixis. The Potentilla collina group constitutes a particularly suitable
Dobeš, Christoph   +2 more
core   +1 more source

Automictic Reproduction in Interspecific Hybrids of Poeciliid Fish [PDF]

open access: yes, 2007
SummaryAutomixis, the process whereby the fusion of meiotic products restores the diploid state of the egg, is a common mode of reproduction in plants but has also been described in invertebrate animals [1, 2].
Lampert, Kathrin P.   +6 more
core   +1 more source

Studies on Colchicine Induced Chromosome Doubling for Enhancement of Quality Traits in Ornamental Plants

open access: yesPlants, 2019
Polyploidy has the utmost importance in horticulture for the development of new ornamental varieties with desirable morphological traits referring to plant size and vigor, leaf thickness, larger flowers with thicker petals, intense color of leaves and ...
Ayesha Manzoor   +4 more
doaj   +1 more source

Actin filaments drive spindle positioning in Arabidopsis meiosis II

open access: yes
New Phytologist, Volume 248, Issue 5, Page 2187-2191, December 2025.
Yingrui Ma, Hua Jiang
wiley   +1 more source

A Eurasia-wide polyploid species complex involving 6x Trifolium ambiguum, 2x T. occidentale and 4x T. repens produces interspecific hybrids with significance for clover breeding

open access: yesBMC Plant Biology, 2019
Background Trifolium ambiguum occurs as a 2x, 4x, 6x polyploid series in W Asia. The 6x form is the most agronomically desirable, having strong rhizomatous spread and drought tolerance.
Warren M. Williams   +5 more
doaj   +1 more source

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