Results 41 to 50 of about 840,256 (209)

Phenology, reproductive biology and growing degree days of the grapevine ‘Isabel’ (Vitis labrusca, Vitaceae) cultivated in northeastern Brazil

open access: yesBrazilian Journal of Biology
Phenology and reproductive biology of cultivated species are important for the comprehension of the requirements for fruit and seed production and the management of pollinators.
N. A. S. Nunes   +2 more
doaj   +1 more source

Evolution of Plant Breeding Systems [PDF]

open access: yesCurrent Biology, 2006
Breeding systems are important, and often neglected, aspects of the natural biology of organisms, affecting homozygosity and thus many aspects of their biology, including levels and patterns of genetic diversity and genome evolution. Among the different plant mating systems, it is useful to distinguish two types of systems: 'sex systems ...
openaire   +2 more sources

Present and future system organisation of organic plant breeding [PDF]

open access: yes, 2009
The paper discuss the perspectives for organic plant breeding in light of biodiversity, EU seed law and the current financing ...
Borgen, Anders
core  

Towards resilience through systems-based plant breeding. A review [PDF]

open access: yes, 2018
How the growing world population can feed itself is a crucial, multi-dimensional problem that goes beyond sustainable development. Crop production will be affected by many changes in its climatic, agronomic, economic, and societal contexts.
Eekeren, Nick van   +3 more
core   +2 more sources

The potential for new donkey farming systems to supply the growing demand for hides [PDF]

open access: yes, 2020
The demand for donkey hides for ejiao, a Traditional Chinese Medicine, has resulted in rapidly increasing prices for donkey hides and donkeys. This has put pressure on donkey populations globally and has implications for donkey welfare and the ...
Bennett, Richard, Pfuderer, Simone
core   +1 more source

Breeding Systems in Cortaderia (Gramineae) [PDF]

open access: yesEvolution, 1973
Male sterility has long been known in the grass genus Cortaderia and the species have traditionally been described as dioecious (Stapf, 1897; Pilger, 1906; Hitchcock, 1927; Conert, 1961). However, Connor and Penny (1960) described gynodioecism in one New Zealand species, and it was later shown that all New Zealand Cortaderias are gynodioecious, as well
openaire   +2 more sources

Maintaining the Public Sector's Essential Role in Crop Varietal Improvement [PDF]

open access: yes, 2005
Outlines the international public-sector agricultural research system, its role in developing and disseminating enhanced crop varieties, its relationship with for-profit research and breeding programs, and issues of intellectual property ...
Gary Toenniessen
core  

Lactic Acid Bacteria: Variability Due to Different Pork Breeds, Breeding Systems and Fermented Sausage Production Technology

open access: yesFoods, 2020
Changes in the ecology of the various lactic acid bacteria (LAB) species, which are involved in traditional fermented sausages, were investigated in the light of the use of different breeds of pork, each of which was raised in two different environments ...
Giuseppe Comi   +3 more
doaj   +1 more source

Towards a better understanding of the relationships between pollinators, human well‐being, and medicine plants in the Great Lakes Region of Eastern North America

open access: yesPlants, People, Planet, 2023
Societal Impact Statement A diversity of values is needed to maximize the effectiveness of conservation planning, including policies and programs. The results of the United Nations Biodiversity Conference (COP 15) in Montreal, Canada, highlight the ...
Shelby D. Gibson, Sheila R. Colla
doaj   +1 more source

The effects of different combinations and varying concentrations of growth regulators on the regeneration of selected Turkish cultivars of melon [PDF]

open access: yes, 2013
Cucurbits are an economically important family of plants. The majority of the vegetable production in Turkey, for example, derives from the species beloning to the family Cucurbitaceae. Despite the importance of cucurbits among vegetable crops worldwide,
Cetiner, Selim   +2 more
core   +2 more sources

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