Behaviour of photochemical activity by light incidence in vanilla (vanilla planifolia andrews)
DOI:
https://doi.org/10.47808/revistabioagro.v11i2.486Keywords:
Plants, PhotochemistryAbstract
The purpose of this study was to record the photochemical activity of vanilla plants grown under different light conditions provided by trees used as supports in different plantations during three phenological phases: pre-flowering, flowering and post-flowering. Three natural supports were selected, Citrus spp, Erythrina spp and Gliricidia spp, and a fourth one constituted by artificial supports and shade netting.
Chlorophyll induced fluorescence parameters were analyzed, including initial fluorescence (Fo), maximum fluorescence (Fm) and the Fv / Fm index. Analysis of variance revealed a statistically significant interaction between the type of support and phenological phase for Fo, Fm and the Fv / Fm index. The results indicate that vanilla plants grown on supports with deciduous leaf characteristics present modifications in the actual and potential quantum efficiency of photosystem II, according to the values of the Fv / Fm index.
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Copyright (c) 2024 Lorenzo Cuervo Lagos, Sara Aída Alarcón Pulido, María De La Luz Hernández Sánchez, Paulina Lema Franco
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