Results 91 to 100 of about 2,014,566 (222)
Sexual Structure of Potentilla bifurca L. Coenopopulations in the Altay-Sayan Mountain Region [PDF]
Журнал Сибирского федерального университета: Серия Биология, 2015 Sexual structure of 47 populations of dioecious Potentilla bifurca in the steppe, forest-steppe and alpine zones in the six provinces of the Altai-Sayan mountain region was studied. Based on the sexual spectrum the populations were divided into two types:
Vladimir N. Godin
doaj
Scientific Papers Animal Science and Biotechnologies, 2023 Starting from the particular sturgeon reproductive biology, propagation of technology through artificial comprises a number of phases required including: selection, parking broodstocks cell maturation and sexual stimulation in order fertilized their ...
R. C. DIMA +4 more
doaj
Viral dynamics of acute HIV-1 infection. [PDF]
, 1999 Viral dynamics were intensively investigated in eight patients with acute HIV infection to define the earliest rates of change in plasma HIV RNA before and after the start of antiretroviral therapy. We report the first estimates of the basic reproductive
Havlir, DV +4 more
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Revista Brasileira de Plantas Medicinais, 2009 A alfazema-do-Brasil é planta de importância medicinal, como produtora de terpenos. A principal descrição etnofarmaco-botânica aponta como sendo eficaz para infecções brônquicas, pulmonares e da bexiga.
F.M. Santos +5 more
doaj +1 more source
An Opposing View on Plant Patents for Sexually Propagated Plants
HortScience, 1969 Abstract Plant patents for asexually propagated species apparently work to the satisfaction of breeders of this class of plants. Some of the reasons for this are: man must make a conscious effort to propagate asexually reproduced plants; he may have to be a specialist and, if he is, should be aware of plant patents and consequences of infringement ...
openaire +1 more source
Possibilities and limitations of vegetative propagation in breeding and mass propagation of Norway spruce [PDF]
, 2003 The use of vegetative mass propagation in practical forestry with Norway spruce (Picea abies (L.) Karst.) is limited at present, although its potential to deliver high genetic gains is obvious.
Högberg, Karl-Anders
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The spread of epidemic disease on networks
, 2002 The study of social networks, and in particular the spread of disease on networks, has attracted considerable recent attention in the physics community.
A. Broder +42 more
core +1 more source
Rooting of herbaceous minicuttings of peach rootstock under effect of indolebutyric acid (IBA)
Semina: Ciências Agrárias, 2015 The use of rootstocks resulting from sexual propagation is a major problem that peach crop has in Brazil, reflecting the lack of plant homogeneity, which compromises the productivity of orchards.
Cari Rejane Fiss Timm +3 more
doaj +1 more source
New insights into Eragrostis curvula’s sexual and apomictic reproductive development
Frontiers in Plant ScienceApomixis, defined as asexual propagation by seeds, is considered of great importance for agriculture as it allows the fixation of desired traits and its propagation through generations.
María Cielo Pasten +10 more
doaj +1 more source
Effects of some environmental factors on the fecundity of Tilapia species (Family Cichlidae) in Kigera Reservoir, New Bussa [PDF]
, 2005 The effects of some environmental factors on the fecundity of Tilapia species (Family Cichilidae) was carried out at the Kigera dam. Four Tilapia species caught were Tilapia zilli, Hemichromis fasciatus, Sarotherodon galilaeus and Oreochromis niloticus ...
Issa, E.A., Olufeagba, S.O., Raji, A.
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