Photosynthetic capacity of 'Niagara Rosada' grapes grown under transparent plastic covering

Deus, Bruna Corrêa da Silva de; Figueiredo, Fábio Afonso Mazzei Moura de Assis; Almeida, Luciana Venturotti Braun de; Ferraz, Tiago Massi; Martins, Amarildo Otávio; Rodrigues, Weverton Pereira; Viana, Leandro Hespanhol; Esteves, Barbara dos Santos; Campostrini, Eliemar

doi:10.1590/0103-8478cr20150400

Cited by 7 publications

(4 citation statements)

References 10 publications

(10 reference statements)

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“…Grapevines are very demanding for solar radiation, which is responsible for many physiological processes, such as differentiation of buds, coloring of berries and sugar accumulation (ROBERTO; COLOMBO; ASSIS, 2011). Despite, the plastic cover reduces 47.7% of light intensity, there is no damage to the photosynthetic capacity to the leaves of the 'Niagara Rosada' (DEUS et al, 2016 3). Vines under plastic cover showed higher SS content for 'Syrah' (PEDRO JUNIOR et al, 2019), 'Merlot' and'Cabernet Sauvignon' (VANDERLINDE et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Bagging of bunches and protected production in ‘Niagara Rosada’ vineyard

Guerios

Cuquel

Biasi

2021

PESQ. AGROP. GAÚCHA

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Vineyards of ‘Niagara Rosada’ have shown great productive potential. However, the grape production has been affected by factors related to climate adversities. Thus, this study aimed to evaluate the effect of plastic cover and bagging of bunches of ‘Niagara Rosada’, in Almirante Tamandaré, PR, Brazil. Plastic cover used was of polyethylene with 250 µm of thickness and bagging of the bunches with white non-woven fabric bags. The treatments were: without plastic cover over the vineyard and without bagging of bunches (control); with plastic cover over the vineyard and without bagging of bunches; with plastic cover over the vineyard and with bagging of bunches; and without plastic cover over the vineyard and with bagging of bunches. To determine the quality of the grapes, we evaluated weight of the bunches and berry, width and length of the bunch, number of berries per bunch, total soluble solids (SS), titratable acidity (TA), pH, and SS/TA ratio. In both crop seasons, treatments with the protected plants or bunches were superior in all evaluated traits. The plastic cover and bagging of bunches delayed maturation and improved the physical and chemical characteristics of bunches and berries of ‘Niagara Rosada’.

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Section: Resultsmentioning

confidence: 99%

Bagging of bunches and protected production in ‘Niagara Rosada’ vineyard

Guerios

Cuquel

Biasi

2021

PESQ. AGROP. GAÚCHA

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“…Cultural practices such as plastic covers over grapevines are adopted by many growers in Brazil to protect table grape varieties from damage caused by hail and winds (Chavarria et al ., ; Pedro Júnior et al ., ; de Deus et al ., ). Incidence of downy mildew is significantly reduced in plastic‐covered vineyards (Chavarria et al ., ; Pedro Júnior et al ., ) but the impact on Asian grapevine leaf rust has not yet been extensively characterized in these covered orchards (da Cruz Batista et al ., ).…”

Section: Disease Controlmentioning

confidence: 97%

Asian grapevine leaf rust caused by Phakopsora euvitis: an important disease in Brazil

Primiano¹,

Loehrer

Amorim³

et al. 2017

Plant Pathology

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Anthropogenic influences such as tourism and climate change affect ecosystems. One consequence is that invasive species can spread to and colonize novel areas. A recent example of this scenario is the appearance, in the early 2000s in Brazil and Australia, of the plant pathogenic fungus Phakopsora euvitis, which causes Asian grapevine leaf rust. It is speculated that the disease was introduced either by long distance transport of spores in the atmosphere or the import of contaminated plant material. While the disease could be eradicated from the Australian continent it is still present in Brazil. The pathogen has spread successfully throughout most Brazilian grapevine-growing regions, most probably because of the lack of resistant plant cultivars. Today, the disease is endemic in Brazil. This review was written to highlight the increasing impact of the disease in Brazil and summarizes the current knowledge on the disease monocycle under different environmental conditions and the consequences for grapevine management. Gaps in the present state of knowledge are highlighted with the purpose of stimulating further research aimed at identifying efficient strategies to combat the disease.

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“…The radiometric properties of plastic screens exert a paramount influence on the microenvironment inside the structure, thus they affect evapotranspiration. Many studies refer to the influence of plastic cover on vineyard microclimate, vine physiology and grape quality [20][21][22][23][24][25][26], while a limited number of studies are focused on the effects of plastic coverings on evapotranspiration of table grape vineyards [9,[27][28][29] and, moreover, no one considers possible effects of sheets having different radiometric properties. The first aim of the present work was to estimate, in the environmental conditions of south Italy, the reference evapotranspiration that occurs during the warmest summer months under plastic sheets that cover table grape vineyards, in comparison with an open field.…”

Section: Introductionmentioning

confidence: 99%

Reduction of Evapotranspiration in Microenvironment Conditions of Table Grape Vineyards Protected by Different Types of Plastic Covers

et al. 2022

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Saving water is a major challenge to increase environmental sustainability, particularly in semi-arid regions where most table grapes are produced. Water use is driven by atmospheric demand, which combines effects of solar radiation (prominent factor), wind, air temperature and humidity. Covering table grapes with transparent plastics is spread in many regions. Covers lower incoming solar radiation and wind speed, changing air temperature and humidity. This study assessed the effects of two plastic covers on reference evapotranspiration (ET0) in comparison to the open field. For two years, two vineyards (cv. Victoria) trained to overhead trellis systems (tendone) were covered with two transparent polyethylene sheets: an agrotextile fabric (C), and a commercial film (S). The sheet spectrophotometric properties were analyzed and the radiometric coefficients calculated. Micrometeorological data were recorded in the covered vineyards and in a nearby uncovered one. ET0 was calculated for June and July using the simplified Penman–Monteith equation. The coefficient of transmissivity to total photosynthetic radiation, a proxy of net radiation, was 73% for cover C and 83% for cover S. On average, ET0 decreased by 35% under cover C and 31% under cover S. Hence, in addition to providing protection from external agents, covers represent a valid tool for saving water in table grape viticulture; nevertheless, their radiometric properties should be considered and optimized to better achieve this goal.

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Photosynthetic capacity of 'Niagara Rosada' grapes grown under transparent plastic covering

Abstract: New techniques in tropical regions such as use of transparent plastic covering (TPC), have been employed in grapes to avoid the wetting leaves and fruits, which can reduce the occurrence of fungal diseases, reduce the use of sprays, and reduce damage caused by hail and high winds. TPC may

Cited by 7 publications

References 10 publications

Bagging of bunches and protected production in ‘Niagara Rosada’ vineyard

Bagging of bunches and protected production in ‘Niagara Rosada’ vineyard

Asian grapevine leaf rust caused by Phakopsora euvitis: an important disease in Brazil

Reduction of Evapotranspiration in Microenvironment Conditions of Table Grape Vineyards Protected by Different Types of Plastic Covers

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