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Vegetative responses to temperature and photoperiod in saplings of brazilwood (Caesalpinia echinata Lam., Leguminosae) Braz. J. Plant Physiol.
Rondon,Josimara N.; Zaidan,Lilian B.P.; Domingos,Marisa; Barbedo,Claudio J.; Figueiredo-Ribeiro,Rita de Cássia L..
Caesalpinia echinata Lam. (brazilwood) is an endangered tree species occurring along the eastern coast of Brazil from latitudes 5°56´S to 22°56´S. With such a range of distribution it is expected that temperature and daylength may affect plant development, which was examined in this study. One- and five-year-old saplings were grown under controlled photoperiods of 8 h, 12 h and 20 h, and in a greenhouse under natural light during 16 months. In another experiment, one-year-old saplings were cultivated for six months in a growth cabinet, with reduced maximum temperature, and in the greenhouse. Leaf number, stem height and stem diameter at the soil surface were evaluated every two months (experiment 1) or every month (experiment 2). In experiment 1, no...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic forest; Endangered species; Tree growth.
Ano: 2006 URL:
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