Deficit Irrigation with Ascophyllum nodosum Extract Application as a Strategy to Increase Tomato Yield and Quality

Vila, Vinícius Villa e; Marques, Patrícia Angélica Alves; Rezende, Roberto; Wenneck, Gustavo Soares; Terassi, Daniele de Souza; Andrean, André Felipe Barion Alves; Nocchi, Raiana Crepaldi de Faria; Matumoto‐Pintro, Paula Toshimi

doi:10.3390/agronomy13071853

Cited by 9 publications

(11 citation statements)

References 41 publications

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“…As observed in the correlation results, the increase in chlorophyll is correlated with an increase in some morphological parameters in the seedlings, highlighting that iron and magnesium are essential nutrients to produce chlorophyll, as well as nitrogen, which stimulates the vegetative growth of the seedlings and thus the production of leaves and shoots [26], At this stage, the seedlings are actively growing and require adequate nutrients for good development. Furthermore, adequate nutrition could help seedlings to better tolerate adverse conditions, such as water and thermal stress, contributing to healthier and more vigorous development of the crops [14,15,20].…”

Section: Discussionmentioning

confidence: 99%

“…Ascophyllum nodosum is one of the seaweed species most used as raw material to produce organic biostimulants in agriculture [13]. Improving the yield in different growing conditions, inducing stress tolerance, and increasing nutrient absorption are important for sustainable agricultural management [10,14,15]. These positive responses are mainly explained by their constitution, consisting of several bioactive compounds, such as polyphenols, polysaccharides, lipids, and amino acids, in addition to the macro-and micronutrients and plant phytohormones [16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

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Use of a Biostimulant Based on Seaweed Extract as a Sustainable Input to Enhance the Quality of Solanaceous Seedlings

Villa e Vila,

Piedade,

Bouix

et al. 2024

Horticulturae

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Seaweed extracts have several functions in agriculture due to their composition that is rich in nutrients, plant hormones, and bioactive substances. It is a natural product used as a biostimulant especially to promote the growth and development of plants and their tolerance to environmental stresses. The objective of this study was to analyze the response to a biostimulant containing seaweed extract derived from Ascophyllum nodosum in the cultivation of tomato and eggplant seedlings, analyzing the growth and physiological parameters in two different regions of Brazil. Cherry tomato and eggplant were cultivated in polyethylene trays for 30 days. In each crop, five treatments were tested, comparing the use of a commercial seaweed extract in application doses and forms, which were the control (without seaweed application); 0.1%, 0.2%, and 0.3% of the seaweed extract applied by irrigation water; and treatment with 0.2% of the seaweed extract by foliar application. This study confirms the efficacy of incorporating seaweed extract from Ascophyllum nodosum as a bio-input into the production phase of Solanaceae seedlings. The seedlings which received the seaweed extract significantly increased some morphological parameters, mainly regarding the biomass and length of leaves, stems, and roots. In general, applying both methods through irrigation water and foliar application were effective in providing benefits compared to the control treatment. The intermediate dose (0.2%) was the most effective in promoting improvement in the analyzed parameters. This underscores the importance of obtaining quality seedlings for subsequent planting in the field, potentially leading to better acclimatization and initial adaptation.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Use of a Biostimulant Based on Seaweed Extract as a Sustainable Input to Enhance the Quality of Solanaceous Seedlings

Villa e Vila,

Piedade,

Bouix

et al. 2024

Horticulturae

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“…Deficit irrigation strategy is an agronomic approach for improving water-use efficiency and water management in irrigated agriculture [1]. This strategy consists of performing irrigation with an amount of water below the amount demanded by the crops, which may be during certain periods of growth, such as initial stages or low water demand [2], or even throughout the entire cycle [3]. The main advantage of deficit irrigation is water savings, especially in regions with water scarcity or where water is a limited resource [4].…”

Section: Introductionmentioning

confidence: 99%

Deficit Irrigation with Silicon Application as Strategy to Increase Yield, Photosynthesis and Water Productivity in Lettuce Crops

Villa e Vila,

Marques,

Gomes

et al. 2024

Plants

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In regions where water is a limited resource, lettuce production can be challenging. To address this, water management strategies like deficit irrigation are used to improve water-use efficiency in agriculture. Associating this strategy with silicon (Si) application could help maintain adequate levels of agricultural production even with limited water availability. Two lettuce crop cycles were conducted in a completely randomized design, with a factorial scheme (2 × 3), with three irrigation levels (60%, 80% and 100%) of crop evapotranspiration (ETc), and with and without Si application. To explore their combined effects, morphological, productive, physiological and nutritional parameters were evaluated in the crops. The results showed that deficit irrigation and Si application had a positive interaction: lettuce yield of the treatment with 80% ETc + Si was statistically similar to 100% ETc without Si in the first cycle, and the treatment with 60% ETc + Si was similar to 100% ETc without Si in the second cycle. Photosynthetic rate, stomatal conductance, intercellular CO2 concentration, transpiration rate and total chlorophyll content increased under water-stress conditions with Si application; in the first cycle, the treatment with 80% ETc + Si increased by 30.1%, 31.3%, 7.8%, 28.46% and 50.3% compared to the same treatment without Si, respectively. Si application in conditions of water deficit was also beneficial to obtain a cooler canopy temperature and leaves with higher relative water content. In conclusion, we found that Si applications attenuate water deficit effects and provide a strategy to ameliorate the yield and water productivity in lettuce crops, contributing to more sustainable practices in agriculture.

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“…A. nodosum algae extract-based biostimulants have been widely used to reduce abiotic stresses in crops, especially for water stress [29][30][31][32]. However, little is known about the results of the use of these products on the soybean crop.…”

Section: Introductionmentioning

confidence: 99%

Foliar Application of Biostimulant Mitigates Water Stress Effects on Soybean

Melo,

da Silva,

da Costa

et al. 2024

Agronomy

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Climate change has emerged as a challenge for soybean cultivation around the world, stimulating the development of technological alternatives that aim to mitigate the damage caused by water deficit. From this perspective, algae extract-based biostimulants have been tested to reduce water stress in several crops, but little is known about their effects on soybean. Thus, we hypothesize that a commercial biostimulant based on Ascophyllum nodosum can improve the physiological performance and water relations of Glycine max plants subjected to water deficit. To test this hypothesis, we set up an experiment in controlled conditions in a greenhouse, considering five treatments (control; application of biostimulant; water deficit (WD); WD + application of biostimulant; and WD + split application of biostimulant). The experiment was designed in completely randomized blocks with four replications per treatment and conducted in polyethylene pots containing 10 L of soil and three plants per pot. The irrigation was carried out daily; the water deficit was 50% soil moisture at field capacity, starting at the R1 stage (beginning of flowering, where there is at least one flower open at any node on the plant) and maintained for ten days. The biostimulant was applied concurrently with the onset of water deficit. We confirmed the hypothesis that foliar application of 1.0 L ha−1 of the biostimulant reduces the deleterious effects of the common water deficit at the beginning of the reproductive stage of soybean through the reduction of damage from oxidative stress (reduction of malondialdehyde synthesis by 31.2% in relation to the WD plants), maintenance of water potential and cellular homeostasis (10.2% increase in relative water content when compared with WD plants), and conservation of the contents of chlorophyll in leaves and stimulation of photosynthesis and carboxylation (68% increase in net photosynthetic rate and 49.3% increase in carboxylation efficiency in relation to WD plants). However, when applied in installments, the biostimulant was not efficient in reducing soybean water stress. Therefore, we conclude that the application of a biostimulant based on A. nodosum can help reduce the harmful effects of water deficit on soybean plants, opening up perspectives for the mass use of this extract in agricultural crops produced on a large scale.

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Deficit Irrigation with Ascophyllum nodosum Extract Application as a Strategy to Increase Tomato Yield and Quality

Cited by 9 publications

References 41 publications

Use of a Biostimulant Based on Seaweed Extract as a Sustainable Input to Enhance the Quality of Solanaceous Seedlings

Use of a Biostimulant Based on Seaweed Extract as a Sustainable Input to Enhance the Quality of Solanaceous Seedlings

Deficit Irrigation with Silicon Application as Strategy to Increase Yield, Photosynthesis and Water Productivity in Lettuce Crops

Foliar Application of Biostimulant Mitigates Water Stress Effects on Soybean

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