1 resultado para Flowering
em Universitat de Girona, Spain
Filtro por publicador
- Aberdeen University (1)
- Aberystwyth University Repository - Reino Unido (2)
- Academic Archive On-line (Stockholm University; Sweden) (1)
- Adam Mickiewicz University Repository (1)
- AMS Tesi di Dottorato - Alm@DL - Università di Bologna (8)
- Aquatic Commons (7)
- ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (3)
- Archive of European Integration (1)
- Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (1)
- Biblioteca Digital | Sistema Integrado de Documentación | UNCuyo - UNCUYO. UNIVERSIDAD NACIONAL DE CUYO. (16)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (11)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (10)
- Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (4)
- Biodiversity Heritage Library, United States (6)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (20)
- Brock University, Canada (1)
- Cambridge University Engineering Department Publications Database (7)
- CentAUR: Central Archive University of Reading - UK (97)
- Chinese Academy of Sciences Institutional Repositories Grid Portal (38)
- Cochin University of Science & Technology (CUSAT), India (3)
- Dalarna University College Electronic Archive (1)
- Deakin Research Online - Australia (25)
- Digital Commons - Michigan Tech (1)
- Digital Commons at Florida International University (1)
- DRUM (Digital Repository at the University of Maryland) (2)
- Duke University (2)
- eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (66)
- FAUBA DIGITAL: Repositorio institucional científico y académico de la Facultad de Agronomia de la Universidad de Buenos Aires (3)
- FUNDAJ - Fundação Joaquim Nabuco (1)
- Helda - Digital Repository of University of Helsinki (8)
- Illinois Digital Environment for Access to Learning and Scholarship Repository (1)
- Indian Institute of Science - Bangalore - Índia (15)
- Infoteca EMBRAPA (2)
- Institutional Repository of Leibniz University Hannover (1)
- Instituto Gulbenkian de Ciência (1)
- Instituto Politécnico de Bragança (1)
- Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (2)
- National Center for Biotechnology Information - NCBI (13)
- Plymouth Marine Science Electronic Archive (PlyMSEA) (1)
- Portal de Revistas Científicas Complutenses - Espanha (2)
- Publishing Network for Geoscientific & Environmental Data (6)
- QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (16)
- Queensland University of Technology - ePrints Archive (24)
- Repositório Alice (Acesso Livre à Informação Científica da Embrapa / Repository Open Access to Scientific Information from Embrapa) (4)
- Repositório Científico do Instituto Politécnico de Lisboa - Portugal (1)
- Repositório digital da Fundação Getúlio Vargas - FGV (1)
- Repositorio Institucional da UFLA (RIUFLA) (2)
- Repositório Institucional da Universidade Estadual de São Paulo - UNESP (3)
- Repositorio Institucional de la Universidad de Málaga (1)
- Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (428)
- Research Open Access Repository of the University of East London. (1)
- RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (1)
- SAPIENTIA - Universidade do Algarve - Portugal (1)
- Universidad de Alicante (1)
- Universidad Politécnica de Madrid (21)
- Universidade Federal do Pará (4)
- Universidade Federal do Rio Grande do Norte (UFRN) (14)
- Universitat de Girona, Spain (1)
- Universitätsbibliothek Kassel, Universität Kassel, Germany (3)
- Université de Lausanne, Switzerland (3)
- Université de Montréal, Canada (2)
- Université Laval Mémoires et thèses électroniques (1)
- University of Michigan (43)
- University of Queensland eSpace - Australia (12)
- University of Washington (1)
- Worcester Research and Publications - Worcester Research and Publications - UK (7)
Resumo:
Germination experiments were performed with seeds of two species of genus Allium section Allium, a rare and endangered species A. pyrenaicum and a common A. sphaerocephalon. Different pre-treatments and a photoperiod of 24 h darkness were applied in order to simulate different germination conditions. Both species showed a high percentage of viable seeds a part of which were dormant. An elevate percentage of dormant seeds could be caused by a later collection time. Low altitude populations had more mortality than the others, possibly caused by the hard summer conditions during flowering and fruiting time. Comparisons between dates of species coexistence localities only show inter-population variability and it could be caused by the detected dormancy. Darkness accelerates germination, possibly for elongation radicle stimulation. Heat-shock pre-treatments decreased germination time in seeds from localities where fire is a probable event. The rarity of A. Pyrenaicum not seems to be caused by restricted germination requirements but is attributable to distinct habitat preferences, related to his altitudinal range of distribution