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title: Extrafloral nectar secretion is mainly determined by carbon fixation under herbivore-free condition in the tropical shrub Clerodendrum philippinum var. simplex
author: Fang-Fang Xu;  Jin Chen
Issued Date: 2015
Abstract: Plants produce extrafloral nectar (EFN) as an indirect defense against herbivores, but how plant carbon fixation affects EFN secretion rate is still not well understood. In this study, the relationship between plant carbon fixation and the EFN secretion rate of the common tropical shrub Clerodendrum philippinum var. simplex (Labiatae) was investigated under growth chamber conditions. For each plant, the amount of carbon secreted from extrafloral nectaries was correlated with the amount of carbon fixed by the plant. The amount of EFN secretion was positively correlated to average photosynthesis rate. Within a plant, at leaf level, the sugar secreted from nectaries of a single leaf correlated positively to the carbon fixation of that leaf, but negatively to leaf age. Thus, this study indicated that the plants’ EFN secretion can be well predicted by plant carbon fixation under herbivore-free condition.
Source: Flora - Morphology, Distribution, Functional Ecology of Plants
Appears in Collections:动植物关系组_期刊论文

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Recommended Citation:
Fang-Fang Xu,Jin Chen. Extrafloral Nectar Secretion Is Mainly Determined By Carbon Fixation Under Herbivore-free Condition In The Tropical Shrub Clerodendrum Philippinum Var. Simplex[J]. Flora - Morphology, Distribution, Functional Ecology Of Plants,2015,217(X):10-13.

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