Effect of applying a calcined kaolin-based particle film on the photosynthetic capacity and growth of young eucalyptus plants

Santos, Diego Pereira; Sobrinho, Mauriana da Rocha; Oliveira, Maria de Fátima de Castro; Costa, Niedja Bezerra; Ferraz, Tiago Massi; Reis, Fabrício de Oliveira; Braum, Heder; Campostrini, Eliemar; Figueiredo, Fábio Afonso Mazzei Moura de Assis

doi:10.1007/s11676-021-01345-5

Cited by 9 publications

(10 citation statements)

References 46 publications

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“…[209,210] Unfortunately, very little conclusive evidence can be drawn on the effect of kaolin due to inconsistencies in the experimental design and plant species probably due to its influence on photosynthesis. [211,212] Some coating materials based on nanoparticles (such as TiO 2 , ZnO, and SiO 2 ) that are applied on leaves for the purpose of nutrient or drug delivery may have a potential impact on plants' transpiration and photosynthesis.…”

Section: Temperature Managementmentioning

confidence: 99%

Novel Materials for Urban Farming

Zhang

et al. 2021

Advanced Materials

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Scarcity of natural resources, shifting demographics, climate change, and increasing waste are four major challenges in the quest to feed the exploding world population. These challenges serve as the impetus to harness novel technologies to improve agriculture, productivity, and sustainability. Urban farming has several advantages over conventional farming: higher productivity, improved sustainability, and the ability to provide fresh food all year round. Novel materials are key to accelerating the evolution of urban farming – with their ability to facilitate controlled release of nutrients and pesticides, improved seed health, substrates with better water retention capability, more efficient recycling of agricultural waste, and precise plant health monitoring. Materials science enables environmental sustainability and higher harvest yields in urban farms. Here, Singapore is used as an example of a land‐scarce city where urban farming may be the solution for future food production. Potential research directions and challenges in urban farming are highlighted, and how material optimization and innovation drive the development of urban farming to meet national and global food demands is briefly discussed. This review serves as a guide for researchers and a reference for stakeholders of urban farms, policy makers, and other interested parties.

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Section: Temperature Managementmentioning

confidence: 99%

Novel Materials for Urban Farming

Zhang

et al. 2021

Advanced Materials

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“…The adverse environmental conditions oblige many coffee producers to use the recepa pruning (stumping) to protect the plantation and permit a higher production in the next crop. Such adversities impose on researchers and farmers the necessity of studying management techniques that mitigate the effect of higher than ideal temperatures, such as shading (Ribeiro et al, 2019), space reduction (Ronchi et al, 2015), selection of high-temperature tolerant cultivars (Brito et al, 2019), and more recently the application of kaolinite has been used (Santos et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…The literature cites the use of kaolinite with beneficial effects on many crops, such as papaya (Campostrini;Reis;Souza, 2010), grape (Glenn et al, 2010;Dinis et al, 2016;Conde et al, 2018), apple (Glenn, 2009), eucalypt (Santos et al, 2021), cotton (Silva;Silva, 2015), and coffee (Steiman;Bittenbender, 2007;Cobra et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Initial growth of coffee plants associated with the use of kaolinite and adjuvant

Costa

Tsutsumi

Rego

2023

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Abiotic stresses cause significant damage to coffee plants' development. Seeking solutions to mitigate them, studies about antiperspirant action have been intensified, for instance, kaolinite, which produces a film of particles with reflexive properties. In this context, this experiment aims to evaluate the effects of applying kaolinite doses in different colors with or without the addition of adjuvant on biometric variables during coffee plants' initial growth. The randomized block design was used with three repetitions in an incomplete factorial scheme with an additional treatment, resulting in 11 treatments and 33 plots. The first factor comprised three kaolinite doses (20, 40, and 60 g); the second factor had two kaolinite colors (white and cream), and the third factor was the absence or presence of an adjuvant, also including an additional treatment (control). The plot consisted of four seedlings of the cultivar IPR 100. It was observed that the plant height (PH), number of plagiotropic branches (NPB), leaf area index (LAI), leaf dry matter (LDM), shoot dry matter (SHDM), root dry matter (RDM), and total dry matter (TDM) presented significant differences. Regarding PH, the dose of 40 g of cream kaolinite increased 7.07 cm more than the control. For LAI, the dose of 40 g with adjuvant had a 97.65 increase. For LDM and TDM, the dose of 40 g of white kaolinite with adjuvant presented respective increases of 5.2 and 12.78 g. The application of white kaolinite with adjuvant increased SHDM by 4.52 g. For RDM, the dose of 40 g of white kaolinite with adjuvant increased 6.51 g more than the control. The dose of 40 g of white kaolinite with adjuvant had a higher effect on the biometric variables.

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“…The use of KF is certified by the Organic Materials Review Institute (OMRI, 2021) as an authorized substance in organic food production, in the context of rising health and environmental concerns, especially for organically growing agricultural and horticultural crops (Sharma et al, 2015;Mphande et al, 2020). Adding to improved crop water management, KF can be applied to reduce the impact of heat and excessive light (Steiman et al, 2007;Santos et al, 2021) and also help in pest (Amalin et al, 2015) and pathogen control (Glenn et al, 2001;Tubajika et al, 2007). Fine kaolin films reduce negative UV impacts by increasing light reflection in apple, Malus domestica (Glenn et al, 2002); reduce leaf temperature by 1.1 • C in tomato, Solanum lycopersicum (Boari et al, 2014); reduce water stress in pepper, Capsicum annuum (Creamer et al, 2005); increase water use efficiency (WUE) by 26% in tomato (AbdAllah, 2019), and stomatal conductance (g s ) in well-watered grapevines, Vitis vinifera (Glenn et al, 2010); increase leaf photosynthesis (A) in apple trees (Glenn et al, 2001); increase the sucrose biosynthesis in grapevines (Conde et al, 2018); increase height and diameter growth in young eucalyptus hybrid plants, Eucalyptus grandis × Eucalyptus urophylla (Santos et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…Adding to improved crop water management, KF can be applied to reduce the impact of heat and excessive light (Steiman et al, 2007;Santos et al, 2021) and also help in pest (Amalin et al, 2015) and pathogen control (Glenn et al, 2001;Tubajika et al, 2007). Fine kaolin films reduce negative UV impacts by increasing light reflection in apple, Malus domestica (Glenn et al, 2002); reduce leaf temperature by 1.1 • C in tomato, Solanum lycopersicum (Boari et al, 2014); reduce water stress in pepper, Capsicum annuum (Creamer et al, 2005); increase water use efficiency (WUE) by 26% in tomato (AbdAllah, 2019), and stomatal conductance (g s ) in well-watered grapevines, Vitis vinifera (Glenn et al, 2010); increase leaf photosynthesis (A) in apple trees (Glenn et al, 2001); increase the sucrose biosynthesis in grapevines (Conde et al, 2018); increase height and diameter growth in young eucalyptus hybrid plants, Eucalyptus grandis × Eucalyptus urophylla (Santos et al, 2021). In tomato cultivation, the KF application results in a 23% increase of a marketable yield (average of 3 years) with significant net profit gain for the tomato producer of 600 € ha −1 on non-saline soils, and 900 € ha −1 in saline soils (Boari et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Kaolin Film Increases Gas Exchange Parameters of Coffee Seedlings During Transference From Nursery to Full Sunlight

et al. 2022

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Increases in water use efficiency (WUE) and the reduction of negative impacts of high temperatures associated with high solar radiation are being achieved with the application of fine particle film of calcined and purified kaolin (KF) on the leaves and fruits of various plant species. KF was applied on young Coffea arabica and Coffea canephora plants before their transition from nursery to full sunlight during autumn and summer. The effects of KF were evaluated through the responses of leaf temperature (Tleaf), net CO2 assimilation rate (A), stomatal conductance (gs), transpiration (E), WUE, crop water stress index (CWSI), index of relative stomatal conductance (Ig), initial fluorescence (F0), and photosynthetic index (PI) in the first 2–3 weeks after the plant transitions to the full sun. All measurements were performed at midday. In Coffea plants, KF decreased the Tleaf up to 6.7°C/5.6°C and reduced the CWSI. The plants that were not protected with KF showed lower A, gs, E, and Ig than those protected with KF. C. canephora plants protected with KF achieved higher WUE compared with those not protected by 11.23% in autumn and 95.58% in summer. In both Coffea sp., KF application reduced F0, indicating reduced physical dissociation of the PSII reaction centers from the light-harvesting system, which was supported with increased PI. The use of KF can be recommended as a management strategy in the transition of Coffea seedlings from the nursery shade to the full sunlight, to protect leaves against the excessive solar radiation and high temperatures, especially in C. canephora during the summer.

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Effect of applying a calcined kaolin-based particle film on the photosynthetic capacity and growth of young eucalyptus plants

Cited by 9 publications

References 46 publications

Novel Materials for Urban Farming

Novel Materials for Urban Farming

Initial growth of coffee plants associated with the use of kaolinite and adjuvant

Kaolin Film Increases Gas Exchange Parameters of Coffee Seedlings During Transference From Nursery to Full Sunlight

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