Results 21 to 30 of about 4,799,948 (306)

Genealogical analysis and identification of donors and sources of valuable breeding traits in the sweet cherry gene pool (overview)

Труды по прикладной ботанике, генетике и селекции, 2019
A comprehensive study of the Prunus avium (L.) L. gene pool has identified sources of important breeding traits which can be recommended for the use in programs aimed at breeding new varieties and clonal rootstocks of sweet cherry.
O. V. Eremina
doaj   +1 more source

EVALUATION OF SELF-FERTILITY IN BLACK CURRANT CULTIVARS IN THE NORTHWEST OF RUSSIA

Труды по прикладной ботанике, генетике и селекции, 2019
Background. High yield is one of the main requirements for modern black currant cultivars. It depends on many factors, but is always linked to self-fertility.
O. A. Tikhonova
doaj   +1 more source

ELEMENTS OF THE BLACK CURRANT PRODUCTIVITY COMPONENT IN THE ENVIRONMENTS OF THE RUSSIAN NORTH-WEST

Труды по прикладной ботанике, генетике и селекции, 2018
In this article the results of evaluating of potential and actual productivity of 39 black currant varieties are given. The sources of important components of productivity for using in breeding programs were revealed.
O. A. Tikhonova
doaj   +1 more source

Self fertility of pear varieties conditioned by natural self pollination (autogamy)

International Journal of Horticultural Science, 2000
Authors studied the autofertility depending on natural self pollination (autogamy) in 59 pear cultivars during 4 seasons at three locations with different ecological conditions (Helvetia, Kecskemet-Kisfai, Keszthely).
J. Nyéki, M. Soltész, J. Iváncsics
doaj   +1 more source

Knowing and Not Knowing about Fertility: Childless Women and Age-Related Fertility Decline

Anthropology & Aging, 2021
Knowledge claims may play an essential role in reproductive decision-making, as individuals seek out, assess, reject, and use information about health and fertility gathered from numerous sources. This paper focuses specifically on childless women’s self-
Lauren Jade Martin
doaj   +1 more source

Convergence in fertility of South Africans and Mozambicans in rural South Africa, 1993–2009 [PDF]

Global Health Action, 2013
Background: Although there are significant numbers of people displaced by war in Africa, very little is known about long-term changes in the fertility of refugees.
Michel Garenne, Stephen Tollman, Mark Collinson, Kathleen Kahn, Benn Sartorius, Latifat Ibisomi, Jill Williams   +6 more
doaj   +1 more source

Black currant cultivars, developed at the Polli Horticultural Research Center (Estonia), in Northwest Russia

Труды по прикладной ботанике, генетике и селекции
Background. Introduction of new foreign cultivars makes it possible to expand the limits of the genetic potential of the VIR collection. A comprehensive study of such germplasm accessions is important for identifying sources of traits useful for breeding
O. A. Tikhonova, V. S. Popov
doaj   +1 more source

Self-fertilization

Journal of Conchology, 1935
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Impact of Self- and Cross-pollination on Fruit and Seed Set in Pawpaw in Kentucky

HortScience
Pawpaw (Asimina triloba) is a native tree fruit that is in small-scale production across much of the eastern and southern portions of the United States.
Srijana Thapa Magar, Kirk W. Pomper, Jeremiah Lowe, Sheri Crabtree   +3 more
doaj   +1 more source

Flower Forms and Ploidy Levels Impact Fertility in Althea

HortScience, 2022
Althea (Hibiscus syriacus) is a popular shrub known for its vibrant summer blooms and winterhardiness; however, althea produces capsules with numerous seeds that germinate and cause a nuisance in production and the home landscape.
Jason D. Lattier, Ryan N. Contreras
doaj   +1 more source