Transparent polyethylene covering film in tropical grapevines does not alter photosynthesis, plant growth, fruit quality or yield

Transparent polyethylene covering film in tropical grapevines does not alter photosynthesis, plant growth, fruit quality or yield

Information concerning the effects of the transparent plastic covering (TPC) on photosynthetic performance, plant growth and yield of tropically grown grapevines is limited. Thus, this study aimed to evaluate the effects of TPC on leaf gas exchanges, photochemical efficiency, plant growth and both f...

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Bibliographic Details
Published in:Theoretical and experimental plant physiology Vol. 32; no. 3; pp. 255 - 270
Main Authors: de Almeida, Luciana Venturotti Braun, Rodrigues, Weverton Pereira, da Silva, Jefferson Rangel, de Assis Figueiredo, Fábio Afonso Mazzei Moura, da Silva de Deus, Bruna Côrrea, Ruas, Katherine Fraga, Ferraz, Tiago Massi, de Oliveira Martins, Amanda, Griffin, Kevin Lee, Bressan-Smith, Ricardo, Campostrini, Eliemar
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 01-09-2020
Springer Nature B.V
Subjects:
Air temperature
Biomedical and Life Sciences
Chlorophyll
Crop yield
Fluorescence
Flux density
Food quality
Fruits
Genotypes
Grapes
Grapevines
Leaves
Life Sciences
Low density polyethylenes
Photochemicals
Photosynthesis
Plant growth
Plants
Polyethylene
Tropical environment
Tropical environments
Vitis labrusca
Vitis vinifera
Water potential
Photochemical efficiency
Temperature
Protected cultivation
Gas exchange
Light
Vapor pressure deficit
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Summary:Information concerning the effects of the transparent plastic covering (TPC) on photosynthetic performance, plant growth and yield of tropically grown grapevines is limited. Thus, this study aimed to evaluate the effects of TPC on leaf gas exchanges, photochemical efficiency, plant growth and both fruit quality and yield in Vitis labrusca cv. ‘Niagara Rosada’ and V. vinifera cv. ‘BRS Clara’. The research was conducted from September (spring) to December (summer) 2012 (Harvest 1—H1) and from March (autumn) to June (winter) 2013 (Harvest 2—H2). Both genotypes were grown in either covered (TPC: low-density polyethylene—LDPE) or uncovered (NTPC: control) sites. Leaf gas exchanges, chlorophyll a fluorescence and leaf water potential, plant growth as well as fruit yield and quality were measured. We found that modifications of microclimatic variables caused by TPC use [i.e., increases in air temperature (+ 8% at H1 and + 6% at H2 in T max ), in temperature amplitude (ΔT °C—+ 17% at H1 and + 7% at H2), and in VPD airmax (+ 25% at H1 and + 20% on H2), as well as reductions in photosynthetic photon flux density (PPFD, − 28% at H1 and − 45% at H2)] did not substantially affect leaf gas exchanges, photochemical efficiency, plant growth and both fruit quality and yield of both genotypes. Therefore, the greatest benefits of growing table grapes in tropical regions under TPC can be associated with grape protection.
ISSN:2197-0025
2197-0025
DOI:10.1007/s40626-020-00177-8