Increasing doses of potassium increases yield and quality of muskmelon fruits under greenhouse

Rangel, Pablo Preciado; Salas-Pérez, Lilia; Robles, Miguel Ángel Gallegos; Ruiz-Espinoza, Francisco Higinio; Ayala-Garay, Alma Velia; Fortis-Hernández, Manuel; Murillo-Amador, Bernardo

doi:10.1590/s0102-053620180206

Cited by 21 publications

(13 citation statements)

References 20 publications

(13 reference statements)

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“…An adequate supply of K + to crops is key to the production of high-quality food [ 293 , 294 , 295 ]. Therefore, an adequate supply of potassium fertilizer is needed not only to produce food with sufficient K + concentration for an equilibrated human diet [ 294 , 295 , 296 , 297 ] but also to improve food quality, as K + availability is associated with a rise in concentrations of sugars [ 294 ], antioxidants such as phenolics [ 298 ], proteins [ 299 ], and oils [ 299 ] in food crops. However, the increase in crop overfertilization with potassium poses risks to human health.…”

Section: K and Food Security And Human Healthmentioning

confidence: 99%

Potassium Control of Plant Functions: Ecological and Agricultural Implications

Sardans

Peñuelas

2021

Plants

152

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Potassium, mostly as a cation (K+), together with calcium (Ca2+) are the most abundant inorganic chemicals in plant cellular media, but they are rarely discussed. K+ is not a component of molecular or macromolecular plant structures, thus it is more difficult to link it to concrete metabolic pathways than nitrogen or phosphorus. Over the last two decades, many studies have reported on the role of K+ in several physiological functions, including controlling cellular growth and wood formation, xylem–phloem water content and movement, nutrient and metabolite transport, and stress responses. In this paper, we present an overview of contemporary findings associating K+ with various plant functions, emphasizing plant-mediated responses to environmental abiotic and biotic shifts and stresses by controlling transmembrane potentials and water, nutrient, and metabolite transport. These essential roles of K+ account for its high concentrations in the most active plant organs, such as leaves, and are consistent with the increasing number of ecological and agricultural studies that report K+ as a key element in the function and structure of terrestrial ecosystems, crop production, and global food security. We synthesized these roles from an integrated perspective, considering the metabolic and physiological functions of individual plants and their complex roles in terrestrial ecosystem functions and food security within the current context of ongoing global change. Thus, we provide a bridge between studies of K+ at the plant and ecological levels to ultimately claim that K+ should be considered at least at a level similar to N and P in terrestrial ecological studies.

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Section: K and Food Security And Human Healthmentioning

confidence: 99%

Potassium Control of Plant Functions: Ecological and Agricultural Implications

Sardans

Peñuelas

2021

Plants

152

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“…In Mexico, the production of vegetables under hydroponic systems in greenhouses has increased significantly during the last few years, being cucumber ( Cucumis sativus L.) one of the vegetables with a high economic potential, because of its high consumption index, both, as fresh and industrialized fruit, occupying 10% of the total area of greenhouses in the country [1]. These production systems have allowed for increases in yield, which is not necessarily accompanied by a high nutraceutical quality of the harvested products [2]. Nutraceutical quality is a term that is attributed to a high content of bioactive compounds in a food that have the characteristic of preventing chronic degenerative diseases by inhibiting the oxidation of cells, contributing to cell maintenance and antioxidant balance [3].…”

Section: Introductionmentioning

confidence: 99%

Foliar Aspersion of Salicylic Acid Improves Phenolic and Flavonoid Compounds, and Also the Fruit Yield in Cucumber (Cucumis sativus L.)

Rangel

Pérez

Ramírez-Rodríguez

et al. 2019

Plants

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The aim of this research is to evaluate the effect of foliar application of salicylic acid (SA) on the yield and phytochemical content in hydroponically grown cucumber (Cucumis sativus L.). (1) Background: The importance of Mexico’s cucumber production is based on its cultivation in recent decades as one of the major winter crops; in addition, the production of vegetables under hydroponic systems has increased significantly during the last few years, with cucumber being one of the vegetables with a high economic potential. (2) Methods: A completely randomized experimental design with 15 repetitions was used. SA at five doses (0.075, 0.1, 0.15, 0.25, and 0.5 mM) and one control (distilled water) was sprinkled weekly on cucumber plants. The evaluated variables were yield (total fruit weight per plant), fruit parameters (length, size and firmness), and nutraceutical quality of cucumber. (3) Results: Low concentrations of SA improve the yield and high concentrations decrease it, but the nutraceutical quality of fruits is improved, as compared to the control treatment. (4) Conclusions: In order to obtain a higher content of bioactive compounds without affecting the yield and commercial quality of cucumber fruits, it is advisable to use the average concentration (0.15 mM) of SA.

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“…Potassium in the foliar fertilizer of the NPK type in this study might affect the Brix grade of melon pulp. In other reports, potassium affects the soluble-solid content of melon fruits significantly [7,11]. Note: y Different letters in each column indicate significant differences among varieties at p ≤ 0.05.…”

Section: Fruit Qualitymentioning

confidence: 86%

Effect of plant density and foliar fertilizer spray on growth and yield of netted melon (Cucumis melo L.) ‘Inthanon RZ’

Truong

Thao

2021

hueuni-jns

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The cultivation of netted melon is becoming popular in vegetable farms in Vietnam. The netted melon cultivar ‘Inthanon RZ’ was evaluated for its growth ability, yield, fruit quality, and economic efficiency when treated with densities of 38,000 and 33,000 plants/ha and four foliar fertilizer sprays: Biotic foliar AMINO ACID 1000, NPK NUTRI-GOLD 29-10-10 + 3 MgO + TE, NPK HAI-CHYODA 14-17-12 + 12 S, and NPK DAU TRAU 30-10-5 + TE. The experiment was conducted in a plastic house at the Biotechnology Institute of Hue University from January to April 2019. The experiment area was 72 m2. The results indicate that plants have a similar growth time under the cultivation conditions. The plants grown with the density of 38,000 plants/ha exhibit a higher leaf area index. The actual yield ranges from 34.00 tons/ha (AMINO ACID 1000; 33,000 plants/ha) to 46.22 tons/ha (NPK HAI-CHYODA 14-17-12 + 12 S; 38,000 plants/ha). Applying NPK HAI-CHYODA 14-17-12 + 12S or NPK DAU TRAU results in the Brix grade higher than 12.0 for both plant densities. Powdery mildew is the most frequently observed in the treatments with NPK DAU TRAU. The yield and profit obtained from trading the melon are highest for the density of 38,000 plants/ha with fertilizer NPK HAI-CHYODA 14-17-12 + 12S.

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Increasing doses of potassium increases yield and quality of muskmelon fruits under greenhouse

Cited by 21 publications

References 20 publications

Potassium Control of Plant Functions: Ecological and Agricultural Implications

Potassium Control of Plant Functions: Ecological and Agricultural Implications

Foliar Aspersion of Salicylic Acid Improves Phenolic and Flavonoid Compounds, and Also the Fruit Yield in Cucumber (Cucumis sativus L.)

Effect of plant density and foliar fertilizer spray on growth and yield of netted melon (Cucumis melo L.) ‘Inthanon RZ’

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