Enhanced Yield and Physiological Performance of Mediterranean Grapevines through Foliar Kaolin Spray

Correia, Carlos M.; Dinis, Lia-Tânia; Fraga, Hélder; Pinheiro, Rosilene Gomes de Souza; Ferreira, Helena; Costa, Jessilanne P. B. de M.; Gonçalves, Inês O.; Oliveira, Ana Alexandra; Pinto, Glória; Santos, João A.; Malheiro, Aureliano C.; Moutinho-Pereira, José

doi:10.1016/j.proenv.2015.07.295

Cited by 4 publications

(5 citation statements)

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“…KA treatment at 6% reduced the ion leakage by11.5% compared with the control. In some previous studies, KA treatment significantly decreased cell membrane damage and ion leakage due to reduced oxidative stress and increasing photosynthetic performance 21 , 22 , 39 , 41 , 49 . This result follows the study on hazelnut trees regarding EL that KA reduced 40–30% compared to the control 53 .…”

Section: Resultsmentioning

confidence: 71%

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Salicylic acid and kaolin effects on pomological, physiological, and phytochemical characters of hazelnut (Corylus avellana) at warm summer condition

Khavari

Fatahi

Zamani

2021

Sci Rep

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Climate change and population increase are two challenges for crop production in the world. Hazelnut (Corylus avellana L.) is considered an important nut regarding its nutritional and economic values. As a fact, the application of supporting materials as foliage sprays on plants will decrease biotic and abiotic stresses. In this study, the effects of salicylic acid (0, 1 mM and 2.5 mM) and kaolin (0, 3% and 6%) sprays were investigated on morphological, physiological, pomological, and biochemical characteristics of hazelnut. The results showed that 1 mM salicylic acid and 6% kaolin had the best effects on nut and kernel weight compared to control. Biochemical parameters such as chlorophyll a, b, a + b, and carotenoid contents showed that salicylic acid and kaolin improved pigment concentration. Proline and antioxidant contents such as phenolic acids, SOD, APX, and CAT enzyme activities increased by these applications. On the other hand, lipid peroxidation, protein content, and H2O2 content were decreased. Based on the tolerance index result, Merveille de Bollwiller cultivar showed the highest tolerance while 'Fertile de Coutard' had the lowest value. Therefore, hazelnut performance may be improved through exogenous application of the signaling (salicylic acid) and particle film (Kaolin) compounds in warmer climates.

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Section: Resultsmentioning

confidence: 71%

“…However, KA reduced leaf temperature and less water stress. Consequently, increased photosynthesis efficiency reduced oxidative stress and supplied more energy to improve the material transfer to the fruits as sink 14 , 38 , 41 , 42 .…”

Section: Resultsmentioning

confidence: 99%

Salicylic acid and kaolin effects on pomological, physiological, and phytochemical characters of hazelnut (Corylus avellana) at warm summer condition

Khavari

Fatahi

Zamani

2021

Sci Rep

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“…Similarly, Frioni et al (2020) also observed 50% higher PAR reflectance in 'Pinot Noir' kaolin-treated leaves than untreated leaves. In line with these findings, most of the research on kaolin application reports general positive effects on leaf cooling, water use efficiency, gas exchange, enhanced chlorophyll and carotenoids accumulation, improving the general photochemical and excess energy dissipation processes of grapevines (Brillante et al, 2016;Correia et al, 2015;Dinis et al, 2015;Dinis et al, 2017;Frioni et al, 2019).…”

Section: Introductionmentioning

confidence: 57%

Fine-tuning of grapevine xanthophyll-cycle and energy dissipation under Mediterranean conditions by kaolin particle-film

Bernardo

Rodrigo

Vives‐Peris

et al. 2022

Scientia Horticulturae

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“…In C and KL leaves, a nonstomatal limitation to photosynthesis processes was evident, as the Pn and WUEi decreased ( Table 2 ), whereas the literature suggests contrary data for KL application on leaf gas exchange parameters. These differences could be due to different ambient and/or leaf tissue conditions, since when the environment exercises some limiting factor for the plant, KL treatment might result in a positive effect on leaf photosynthesis [ 41 , 59 , 60 , 61 ]. When kaolin is applied in rainy and low-irradiance environments, photosynthesis is reduced [ 43 , 62 ].…”

Section: Discussionmentioning

confidence: 99%

“…This probably explains the findings of this study where both treatments increased yield. The higher yield per plant could be also attributable to the decrease in damage to the cell membranes by lipid peroxidation [ 60 , 73 ], as well as by the delay in leaf senescence of the grapevines sprayed with KL and ZL. However, contradictory results regarding yield in response to KL application can be found in the literature [ 56 , 64 , 67 , 74 , 75 ] due to the interaction of environmental factors with the species and cultivars and/or the plant canopy architecture.…”

Section: Discussionmentioning

confidence: 99%

Enhancing Yield and Physiological Performance by Foliar Applications of Chemically Inert Mineral Particles in a Rainfed Vineyard under Mediterranean Conditions

Petoumenou

2023

Plants

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One of the biggest environmental challenges that most of the traditional and modern grape-growing areas are facing is the frequency, severity, and unpredictability of extreme weather events as a result of climate change. Sustainable tools such as chemically inert mineral particles could be a valid alternative for the promotion of environmentally-friendly viticultural techniques to enhance yield, improve physiological processes, and increase tolerance to biotic/abiotic stressors and grape quality. In regard to this concept, the effects of kaolin (KL) and zeolite (ZL) application was tested in the rosé grapevine cultivar Roditis, field-and rainfed, under the Mediterranean conditions of central Greece. In a two-year trial, the whole vine canopy was sprayed with kaolin and zeolite until runoff at a dose of 3% (w/v) twice throughout the growing season; the first at the beginning of veraison and the second one week later; treatment of the untreated control plants was also performed (C). The assimilation rate in morning and midday, the stomatal conductance, and the WUEi of the leaves of the treated and untreated plants were monitored one day after each application and at harvest. During the same time period of the day (i.e., morning and midday) in July, August, and September, the leaf temperature near the fruit zone was also recorded. At harvest, the yield parameters, cluster characteristics, grape composition, and incidence (%) of sunburned and dehydrated berries as well as berries infected by Plasmopara viticola and Lobesia botrana were recorded. The results showed that KL and ZL application decreased leaf temperature during the growing season until harvest compared to the control treatment, which resulted in an improvement in physiological parameters such as net photosynthesis and intrinsic water use efficiency. At harvest, the KL- and ZL-treated vines showed increased yield due to an increasing cluster and berry fresh weight. On the other hand, the KL and ZL application did not affect the sugar concentration and pH of the must and increased the total acidity and decreased the total phenolic compound content, but only in the first year of the experiments. Furthermore, the incidence of sunburn necrosis, dehydrated berries, and infected berries was significantly lower in the treated vines compared to the control vines. These results confirm the promising potential of kaolin and zeolite applications as a stress mitigation strategy during the summer period, with the ability to protect grapevine plants, enhance yield, and maintain or improve fruit quality in rainfed Mediterranean vineyards.

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Enhanced Yield and Physiological Performance of Mediterranean Grapevines through Foliar Kaolin Spray

Cited by 4 publications

References 0 publications

Salicylic acid and kaolin effects on pomological, physiological, and phytochemical characters of hazelnut (Corylus avellana) at warm summer condition

Salicylic acid and kaolin effects on pomological, physiological, and phytochemical characters of hazelnut (Corylus avellana) at warm summer condition

Fine-tuning of grapevine xanthophyll-cycle and energy dissipation under Mediterranean conditions by kaolin particle-film

Enhancing Yield and Physiological Performance by Foliar Applications of Chemically Inert Mineral Particles in a Rainfed Vineyard under Mediterranean Conditions

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