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Title: Cambial activity in dry and rainy season on branches from woody species growing in Brazilian Cerrado

Source: Flora - Morphology, Distribution, Functional Ecology of Plants

Author(s)Marcati, Carmen R.; Machado, Silvia R.; Podadera, Diego Sotto; Lara, Natalia O. Totti de; Bosio, Fabio; Wiedenhoeft, Alex C.

Publication Year: 2016  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4715-1

Abstract: Seasonal cambial activity was investigated in one- to three-year-old branch modules (branch constructional units) of ten woody species from cerrado sensu stricto, a savanna-like ecosystem, of southernBrazil. Relationships between cambial activity and environmental factors (precipitation, temperature,day length) and leaf production were tested using generalized linear mixed model. Regardless the planthabit and leaf shedding patterns, cambial activity (about 5 months) corresponded to the core of the rainyseason (when at least 66% of the annual precipitation had been reached), even though there was somedelay or advance in the timing of cambial activity depending on the branch age or species. Cambial activ-ity began in the dry season and ceased before the end of rainy season. Although cambial activity has beenpositively correlated with day length, precipitation, temperature, and budding for all species, day length,among the assessed factors, seems to be the best predictor of onset and cessation of cambial activity inthe branch modules of cerrado species.

Keywords: Budding, Cambium, Savanna-like ecosystem, Photoperiod, Precipitation, Temperature

Publication Review Process: Formally Refereed

File size: 2,048 kb(s)

Date posted: 08/03/2016

This publication is also viewable on Treesearch:  view
RITS Product ID: 79814
Current FPL Scientist associated with this product
Wiedenhoeft, Alex C.
Research Botanist

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