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Type: Artigo de periódico
Title: A model including photoperiod in degree days for estimating Hevea bud growth
Author: deLemos, JP
Nova, NAV
Pinto, HS
Abstract: The aim of this study was to verify the applicability of a heat-sum model and an alternative model that included photoperiod to describe Hevea bud growth. Considering 19 degrees C as the base temperature, approx. 172 degree days were required for bud growth up to leaf blade expansion. The applicability of the heat-sum model for Hevea bud growth was confirmed. The inclusion of day length as an exponential term in accumulated degree days resulted in the model fitting much better for the spring than for the winter conditions.
Subject: Hevea
bud growth
degree days
Editor: Springer Verlag
Rights: fechado
Date Issue: 1997
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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