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sciences naturelles et appliquées - acta.es iate.europa.eu
cycle de reproduction sexuée et asexuée

sexual and asexual reproduction cycle

environnement - iate.europa.eu
Différence entre reproduction asexuée et reproduction sexuée:

Difference between Asexual reproduction and Sexual reproduction:

général - CCMatrix (Wikipedia + CommonCrawl)
Ce type de reproduction est appelé reproduction sexuée.

This type of reproduction is called sexual reproduction.

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Ce type de reproduction est appelée reproduction sexuée.

This type of reproduction is called sexual reproduction.

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Soit par reproduction asexuée, soit par reproduction sexuée.

This may be done by asexual reproduction or by sexual reproduction.

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Les plantes envahissantes des corridors fluviaux (traits biologiques, impacts de ludwigia péploides et l.grandiflora en loire moyenne et implications pour la gestion.)
... Les résultats des suivis de terrain et des expérimentations in situ et ex situ démontrent en particulier: (i) des différences entre les deux espèces concernant leurs traits reproductifs et leur développement sur les annexes hydrauliques et les grèves, (ii) la possibilité d un cycle de reproduction sexuée complet sous le climat ligérien, (iii) un impact nul sur les communautés végétales d hydrophytes mais négatif sur les communautés riveraines étudiées, (iv)...
... The results of the field surveys as well as in situ and ex situ experimentations show in particular: (i) differences between the two species concerning their reproduction features and their development in former channels and river banks, (ii) the possibility of a complete sexual reproduction cycle in the climatic conditions of the middle Loire River, (iii) the absence of effetcs on hydrophyte communities but a negative one on riparian communities,...
général - core.ac.uk - PDF: www.applis.univ-tours.fr
Sur l'usage des notions d'ovule et de graine en botanique et en paéobotanique
... indifféremment sous l'appellation «graine» (seed, des auteurs de langue anglaise) les éléments de dispersion des Spermatophytes et des Préspermatophytes, dans le cadre de la reproduction sexuée....
...About the employment of the concepts of ovule and seed in Botany and Palaeobotany The paleobotanists name «seed» indifferently the vectors for dissemination of the plants genomes, in the context of sexual reproduction, of Spermatophytes and Prespermatophytes....
général - core.ac.uk -
Variability of quackgrass (agripyron repens) biotypes in québec
... La reproduction végétative est plus variable que la reproduction sexuée chez le chiendent....
... Reproduction in quackgrass is predominantly vegetative and sexual reproduction is more variable among biotypes and years
général - core.ac.uk - PDF: www.erudit.org
Consequences of environmental pollution on evolution of life history traits in daphnia
... Au cours de leur vie, les Daphnies peuvent switcher de reproduction parthénogénétique, lorsque les femelles produisent de nombreuses filles clonales, à reproduction sexuée....
... Daphnia, can switch to parthenogenetic reproduction, when females produce numerous clonal daughters, to sexual reproduction....
général - core.ac.uk -
Le sperma : forme, matière ou les deux ?
Cet article s’intéresse à la manière dont Aristote utilise l’hylémorphisme pour son explication de la reproduction sexuée dans la Génération des animaux....
...This article considers the relations between hylomorphism and the explanation of sexual reproduction in Aristotle’s Generation of Animals....
général - core.ac.uk - PDF: journals.openedition.org
Différenciation hôte - spécifique au sein du genre venturia révélée par microsatellites...Venturia inaequalis décrivant les deux agents pathogènes responsables de la tavelure sur Pyracantha et sur Pommier sur la base de critères génétiques, du pouvoir pathogène et de la reproduction sexuée (Le Cam et al.,...
Limits to sexual reproduction in geothermal bryophytesPrevious research suggests that while sexual reproduction generally increases with environmental stress it may decrease with extreme stress, at the edge of eukaryotic life....
général - core.ac.uk - PDF: agritrop.cirad.frgénéral - core.ac.uk - PDF: pdxscholar.library.pdx.edu
Organisation spatiale de la diversité génétique de deux mousses : tetraphis pellucida et dicranum fuscescens en forêt boréale québécoise... La reproduction sexuée (par des spores) donne des individus génétiquement différents qui peuvent se disperser à plus grandes distances....
Chromatin dynamics during plant sexual reproduction... This ability is exemplified during sexual reproduction in flowering plants where novel cell types are generated in floral tissues of the adult plant during sporogenesis, gametogenesis, and embryogenesis....
Defense des cultures la nécrose du collet du colza : analyse de la distribution du champignon dans la plante à l’aide d’outils moléculaires... L’analyse topographique de la région du collet indique que tous les tissus, fortement colonisés par de nombreuses souches Tox+ distinctes, constituent un site privilégié de confrontation entre souches différentes, favorable à la reproduction sexuée du champignon
The coevolution of cell senescence and diploid sexual reproduction in unicellular organismsIn this paper, we investigate the coevolution of diploid sexual reproduction and cell senescence (i.e.,...
Monte carlo simulations of sexual reproductionModifying the Redfield model of sexual reproduction and the Penna model ofbiological aging, we compare reproduction with and without recombination inage-structured populations....
 PDF: arxiv.org
Plant sexual reproduction: aspects of interaction, history and regulationSexual reproduction in angiosperms is an interactive process involving the sporophyte, gametophytes, embryo and endosperm as well as the environment, aimed at achieving pollination,...
reproduction sexuée
sciences naturelles et appliquées - iate.europa.eu
Obtention of somatic embryos of parajubaea cocoides burret from immature zygotic embryos... Your sexual propagation by seed, is not effective....
général - core.ac.uk - PDF: doaj.org
Influence of drip irrigation and of fertilization, on the productivity of plum varieties. case... The slight propagation by seed, grafting on the most common rootstock, the relatively early entry in bearing (3-4 years after planting), the high production and the long life of the trees,...
 PDF: doaj.org
Advances in guava propagation... Propagation by seed is used for rootstock production and for raising populations for screening at early phases in the breeding programs....
Comparison of seed desiccation sensitivity amongst castanea sativa, quercus ilex and q. cerrisThe distribution and propagation by seed of species with recalcitrant seed storage behaviour requires knowledge of the lowest safe moisture content before desiccation damages seed survival....
Research on the influence of culture tehnology, for certain potato cultivars lăzarea - harghita county, romania, 2008-2009Our goals were to increase the coefficient of potato propagation by seed, planting, using different calibration classes of minitubers cultivars of early, mid early and semitardive: Ostara, Christian, Roclas, Desiree; valorification...
sciences naturelles et appliquées - iate.europa.eu
Propagation of cycad collections from seed... This paper discusses the techniques required for successful seed propagation of cycads, including pollen collection, storage, viability testing, manual pollination, seed collection, storage and germination
général - core.ac.uk - PDF: journals.rbge.org.uk
Outcomes of allium ramosum l. introduction to donbass... Morphology of vegetative and generative organs, seasonal rhythm of development, ability to vegetative and seed propagation, and ontogeny are researched....
 PDF: doaj.org
Influence high temperature, drought and long vegetation period on phenology and seed productivity european hemp cultivars in moinkum desert... Seed propagation is not perspective in these conditions....
Total phenol content, antioxidant activity of hip extracts and genetic diversity in a small population of r. canina l. cv. plovdiv 1 obtained by seed propagation... cv Plovdiv 1 accessions obtained by seed propagation from the plant genetics resources collection of theInstitute of Roses Essential and Medicinal Crops (IREMC) were analyzed for total phenol content and antioxidant...
 PDF: doaj.org
Organic seed propagation: current status and problems in europe...food production system: requirements for plant breeding and seed production” (ENVIRFOOD) and contains information about current status and problems in EU regarding to organic seed propagation
 PDF: core.ac.uk
sciences naturelles et appliquées - iate.europa.eu
Precocious flowering of plants resulting from in vitro germination of cycnoches haagii seeds on mycorrhizal fungi presence... Aiming at developing a complete seminal propagation protocol of C....
général - core.ac.uk - PDF: doaj.org
reproduction sexuée
sciences naturelles et appliquées - iate.europa.eu
1° ils sont directement issus d'une plante mère par reproduction végétative ou sexuée et, en cas de reproduction sexuée, les arbres pollinisateurs sont directement issus d'une plante mère par reproduction végétative;

it is directly propagated, by vegetative or sexual propagation from a mother plant; in the case of sexual propagation pollinating trees (pollenisers) are directly produced by vegetative propagation from a mother plant;

général - CCMatrix (Wikipedia + CommonCrawl)
habituellement masquées par la diversité extrême résultant de la reproduction sexuée.

These subtleties are usually obscured by the extreme diversity resulting from sexual propagation.

général - CCMatrix (Wikipedia + CommonCrawl)
Utilisez la reproduction sexuée pour augmenter le nombre de vos plantes en faisant germer les graines et pousser les plants jusqu'à maturité.

Use sexual propagation for increasing plant numbers by germinating seed and growing the seedlings to maturity.

général - CCMatrix (Wikipedia + CommonCrawl)
Reproductive biology of aglaomorpha meyeniana (polypodiaceae; pteridophyta)... This study focused on its reproductive biology and evaluated the practicality of situ sexual propagation....
général - core.ac.uk - PDF: ir.lib.ntnu.edu.tw
Tetrazolium test for seed viability and germinability of melocactus ernestii vaupel subsp.ABSTRACT – Despite its ornamental value, some Melocactus species (Cactaceae) are threatened by several factors and only sexual propagation is possible....
Tetrazolium test for seed viability and germinability of melocactus ernestii vaupel subsp. ernestii and melocactus zehntneri (briton & rose) luetzelb. (cactaceae)Despite its ornamental value, some Melocactus species (Cactaceae) are threatened by several factors and only sexual propagation is possible....
 PDF: oa.upm.es
© 2001 north carolina state university plant propagation: basic principles and methodologyWhere, why and how do bedding plant, pot crop, foliage, and perennial seedlings or cuttings originate? In order for plants to reproduce, the process of either sexual or asexual propagation needs to occur....
Sexual propagation of pteris vittata l. influenced by ph, calcium, and temperature... Pot experiments were carried out to investigate the effects of soil pH, soil calcium (Ca) concentration, and temperature on the sexual propagation of P....
reproduction sexuée
sciences naturelles et appliquées - iate.europa.eu
Influence of environmental factors on reproduction of polar vascular plantsABSTRACT: In the last few decades, changes of reproductive pattern of polar vascular plants have been observed, for the benefi t of generative propagation....
général - core.ac.uk - PDF: yadda.icm.edu.pl
Study on seed anatomy of sungkai (peronema canescens jack); a viability perspective... Due to the low germination rate, so the generative propagation was not yet a prime target....
 PDF: doaj.org
Possibilityes of uses of some new methods for free of viruses production of plantsAbout 600 plant viruses are known of witch at least 80 can be transferred in the seed; viruses can also be transferred during generative propagation....
Research concerning the production of planting material using generative propagation on albizzia julibrissin durazz... The biological material consists of Albizzia julibrissin seedlings which were obtained by generative propagation and prepared by moisturizing, hot water treatment, stratification and scarification....
Generative propagation of robinia x ambigua poir. – pink locust... In this paper a generative propagation method is presented for pink locust
sciences naturelles et appliquées - iate.europa.eu
Aspects regarding the production of planting material at some ornamental species from spontaneous flora... The paper presents data regarding the possibility of generative multiplication of some ornamental species provided from the Dobrogea spontaneous flora (Allium flavum L.,...
général - core.ac.uk - PDF: journals.usamvcluj.ro

Exemples français - anglais

sciences naturelles et appliquées - iate.europa.eu

Traductions en contexte français - anglais

La reproduction sexuée s’effectue par fécondation externe.

Reproduction occurs through external fertilization.

général - CCMatrix (Wikipedia + CommonCrawl)
Différences entre la reproduction sexuée et asexuée

Difference between Sexual and Asexual Reproduction

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée nécessite donc deux parents.

The process of sexual reproduction involves two parents.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée nécessite donc deux parents.

Sexual reproduction, on the other hand, requires two parents.

général - CCMatrix (Wikipedia + CommonCrawl)
Cependant, la reproduction sexuée est plus coûteuse que la reproduction asexuée.

Sexual reproduction is metabolically more expensive than asexual reproduction.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée crée plus de variation que la reproduction asexuée.

Sexual reproduction gives rise to more viable variation than asexual reproduction.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée intervient en conditions défavorables.

Sexual reproduction occurs when conditions become unfavorable.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée crée plus de variation que la reproduction asexuée.

Explain how sexual reproduction gives rise to more viable variations than asexual reproduction.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée intervient en conditions défavorables.

Sexual reproduction only takes place under adverse conditions.

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propager : Multiplier par reproduction sexuée ou asexuée.

(19) Propagate — To multiply by sexual or asexual reproduction.

général - CCMatrix (Wikipedia + CommonCrawl)
Chez les organismes supérieurs à reproduction sexuée,

In a population of sexually reproducing organisms,

général - CCMatrix (Wikipedia + CommonCrawl)
Cependant, la reproduction sexuée est plus coûteuse que la reproduction asexuée.

Sexual reproduction is beneficial than asexual reproduction.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée s’effectue par fécondation externe.

The reproduction takes place by external fertilization.

général - CCMatrix (Wikipedia + CommonCrawl)
La reproduction sexuée crée plus de variation que la reproduction asexuée.

Sexual reproduction always generates more genetic variation than asexual reproduction.

général - CCMatrix (Wikipedia + CommonCrawl)
la reproduction sexuée engendre des individus différents.

Sexual reproduction produces individuals that are different from each other.

général - CCMatrix (Wikipedia + CommonCrawl)


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