Results 41 to 50 of about 5,215 (199)

The mixed mating system of a widespread weed: the case of Argemone ochroleuca Sweet (Papaveraceae)

open access: yesBotan‪ical Sciences, 2022
Background: Argemone ochroleuca is a worldwide invasive weed but is also highly valuable for their chemical compounds. Knowledge about its reproduction will help create plans for its control or its propagation. Questions: Does A.
Sandra Rios-Carrasco   +1 more
doaj   +1 more source

Allogamy-Autogamy Switch Enhance Assortative Mating in the Allotetraploid Centaurea seridis L. Coexisting with the Diploid Centaurea aspera L. and Triggers the Asymmetrical Formation of Triploid Hybrids

open access: yesPLoS ONE, 2015
Hybridization between tetraploids and their related diploids is generally unsuccessful in Centaurea, hence natural formation of triploid hybrids is rare. In contrast, the diploid Centaurea aspera and the allotetraploid C.
M. Ferriol   +3 more
semanticscholar   +1 more source

Population genomic signatures of founding events in autonomously self‐fertilizing plants: a test with Impatiens capensis

open access: yesNew Phytologist, EarlyView.
Summary Autonomously self‐fertilizing plants possess disproportionate abilities to found populations. Viewed from the metapopulation perspective, founding events should be frequent in such plants, but the intensity and timing of bottlenecks and recovery should vary among populations.
Daniel J. Schoen, Rachel H. Toczydlowski
wiley   +1 more source

Effect of different pollination schemes on the fruit morphometric characteristic of Vanilla planifolia Jacks.

open access: yesOrnamental Horticulture
Vanilla planifolia Jacks. is an orchid of great economic interest, classified as endangered. The limited genetic variation of this species has been primarily attributed to its clonal propagation.
Zelzin Eréndira Fernández-Villa   +2 more
doaj   +1 more source

Preferential reproduction mode of hermaphrodite papaya plant (Carica papaya L; Caricaceae) Modo de reprodução preferencial de plantas hermafroditas de mamoeiro (Carica papaya L; Caricaceae)

open access: yesRevista Brasileira de Fruticultura, 2009
This research was done to study the reproductive system of papaya hermaphrodite plant based on the histochemical nature of pollen grain, stigma receptivity, in vivo pollen grain germination and pollen:ovule ratio.
Pedro Corrêa Damasceno junior   +5 more
doaj   +1 more source

Assessment of Pollen Production, Pollen Viability, Autofertility and Paternal Success in Faba Bean (Vicia faba L.) for Better Exploitation of Grain Yield Heterosis

open access: yesPlant Breeding, EarlyView.
ABSTRACT In animal‐pollinated plants, pollen dispersal depends on several plant and animal characteristics that can influence the paternal success of a plant. Paternal success affects the genetic contribution of a genotype to the next generation, which is relevant to plant breeding.
Lisa Brünjes, Wolfgang Link
wiley   +1 more source

Studying self-fertility in new black currant cultivars from the VIR collection in Northwestern Russia

open access: yesТруды по прикладной ботанике, генетике и селекции
Background. An important task is to search for and select highly self-fertile cultivars for plant breeding programs and for setting single-cultivar plantings in commercial horticulture.Materials and methods.
O. A. Tikhonova
doaj   +1 more source

The dynamics of Listera ovata populations on mineral islands in the Biebrza National Park

open access: yesActa Societatis Botanicorum Poloniae, 2014
Observations of two isolated populations of Listera ovata (Oparzelisko and Zabudnik) were conducted for 7 years in the Biebrza National Park. The studied populations differed in size, proportion of flowering individuals and effectiveness of reproduction.
Emilia Brzosko
doaj   +1 more source

Rare species of Tulipa (Liliaceae) from Tashkent Botanical Garden [PDF]

open access: yesActa Biologica Sibirica, 2020
Biomorphological features of 14 rare Tulipa species listed in the Red Book of the Republic of Uzbekistan (Tulipa affinis, T. carinata, T. ferganica, T. fosteriana, T. greigii, T. ingens, T. kaufmanniana, T. korolkowii, T. lanata, T.
Vladimir P. Pechenitsyn   +3 more
doaj   +3 more sources

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