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Registros recuperados: 4
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Intra- and interspecific variations of polycyclism in young trees of Cedrus atlantica (Endl.) Manetti ex.Carrière and Cedrus libani A. Rich (Pinaceae) Inra
Sabatier, S.; Baradat, P.; Barthélémy, D..
Tipo: Journal Article Palavras-chave: CEDRUS ATLANTICA; CEDRUS LIBANI; POLYCYCLISME; CROISSANCE; VARIABILITE MORPHOLOGIQUE; CARACTERE QUANTITATIF; STABILITE; SELECTION; AMELIORATION DES PLANTES.
Ano: 2003 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0400025033103366&uri=/notices/prodinra1/2009/12/
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L'identification des adventices assistée par ordinateur avec le système IDAO Inra
Le Bourgeois, T.; Bonnet, P.; Edelin, C.; Grard, P.; Prosperi, J.; Theveny, F.; Barthélémy, D..
L’identification des adventices d’une culture est une phase primordiale pour accéder à l’informationnécessaire à l’élaboration de moyens de lutte performants. Les difficultés rencontrées par les nonbotanistes pour réaliser cette identification avec les outils classiques comme les flores ou les manuels(trop techniques, inefficaces pour les plantules ou les spécimens incomplets, processus difficile àsuivre…) nous ont amené à développer un nouveau système de reconnaissance assistée parordinateur appelé IDAO (IDentification Assistée par Ordinateur). Ce logiciel a la particularité d’utiliser unsystème d’identification graphique par portrait robot qui permet à l’utilisateur de construire l’image de laplante à partir de caractères choisis librement en fonction du...
Tipo: Journal Article Palavras-chave: IDENTIFICATION ASSISTEE PAR ORDINATEUR; IDAO; PORTRAIT ROBOT; ADVENTICE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008865b71c&uri=/notices/prodinra1/2009/03/
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Shoot development and dieback in progenies of Nothofagus obliqua Inra
Puntieri, J.; Grosfled, J.; Stecconi, M.; Brion, C.; Azpilicueta, M.M.; Gallo, L.; Barthélémy, D..
Shoot growth and dieback were compared among progenies of nursery-grown seedlings of Nothofagus obliqua belonging to seven progenies of the same provenance (Quila-Quina, Argentina). First-year shoots consisted of one growth unit (GU) and second-year shoots of one or two GUs. The probability of development of two GU was similar for all progenies. Progenies were different in terms of shoot size, terminal bud abscission, the extent of shoot dieback after shoot extension and the node of origin of the relay shoot on the first shoot. Plants with a second-year shoot consisting of two GUs had a thicker stem and more nodes than those with single-GU shoots. The selection of N. obliqua seed trees based on architectural traits suitable for forestry development at...
Tipo: Journal Article Palavras-chave: DEPERISSEMENT DES POUSSES; UNITE DE CROISSANCE; DESCENDANCE; RAMIFICATION; FAUX HETRE; BOURGEON SHOOT DIEBACK; GROWTH UNIT; PROGENY; NOTHOFAGUS OBLICA; PLANT ARCHITECTURE.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007ce57b289&uri=/notices/prodinra1/2009/11/
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The plant-ant Camponotus schmitzi helps its carnivorous host-plant Nepenthes bicalcarata to catch its prey Inra
Bonhomme, V.; Gounand, I.; Alaux, C.; Jousselin, E.; Barthélémy, D.; Gaume, L..
The Bornean climber, Nepenthes bicalcarata, is unique among plants because it is both carnivorous and myrmecophytic, bearing pitcher-shaped leaves and the ant Camponotus schmitzi within tendrils. We explored, in the peat swamp forests of Brunei, the hypothesis that these ants contribute to plant nutrition by catching and digesting its prey. We first tested whether ants increased plant's capture rate. We found that unlike most plant-ants, C. schmitzi do not exhibit dissuasive leaf-patrolling behaviour (zero patrol on 67 pitchers of 10 plants) but lie concealed under pitcher rim (13 ± 6 ants per pitcher) allowing numerous insect visits. However, 47 out of 50 individuals of the largest visitor dropped into the pitchers of five plants were attacked by ants and...
Tipo: Journal Article Palavras-chave: TOURBIERE; BRUNEI DARUSSALAM; FOURMI; TERMITE; MYRMECOTROPHY; STRATEGIE DE PREDATION ANT-PLANT MUTUALISM; MYRMECOPHYTE; MYRMECOTROPHY; PITCHER PLANT; PREDATION STRATEGY.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011369891a9&uri=/notices/prodinra1/2011/06/
Registros recuperados: 4
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