Different K:Ca ratios affected fruit color and quality of strawberry ‘Selva’ in soilless system

Haghshenas, Masoud; Arshad, Mousa; Nazarideljou, Mohammad Javad

doi:10.1080/01904167.2017.1385797

Cited by 4 publications

(6 citation statements)

References 34 publications

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“…However, the limitation of plant nutrients does not rule out the dilution effects due to the specific Karst environment. For example, K, Ca, and Mg contents can influence the NO 3 − and NH 4 + uptake of plants ( Chen et al, 2021 ) and the antagonistic interaction between K and Ca ( Haghshenas, Arshad & Nazarideljou, 2018 ). Further study should consider using the isotope tracing method to reveal the specific sources of elements and determine the influence of elements on each other.…”

Section: Discussionmentioning

confidence: 99%

“…Mg plays an essential role in photosynthesis as the central atom of the chlorophyll molecule ( Pokharel et al, 2018 ). Furthermore, the antagonistic effects of Ca and Mg on K in plants have been widely reported ( Haghshenas, Arshad & Nazarideljou, 2018 ; Zhou et al, 2013 ). Therefore, WUE was affected by the joint influence of leaf Ca, Mg, and K content under high Ca and Mg stress in the Karst region.…”

Section: Discussionmentioning

confidence: 99%

“…K is the second most abundant nutrient in leaves after nitrogen (N), essential for plant-water relationships, such as cell osmosis adjustment and stomatal behavior ( Seleiman, 2019 ; Si et al, 2015 ; Vodnik et al, 2019 ). However, leaf K shows significantly antagonistic effects with calcium (Ca) and magnesium (Mg) ( Haghshenas, Arshad & Nazarideljou, 2018 ; Zhou et al, 2013 ). Furthermore, carbonate rocks dominate Karst regions, resulting in Ca and Mg enrichment in soil ( Green et al, 2019 ; Li et al, 2019 ); thus, the influence of high Ca and Mg stress on the WUE of plants is still unclear.…”

Section: Introductionmentioning

confidence: 99%

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Effects of high Ca and Mg stress on plants water use efficiency in a Karst ecosystem

Qu¹,

Han²

2022

PeerJ

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Background Karst ecosystems are widely distributed in the world, with one of the largest continuous Karst landforms in Southwest China. Karst regions are characterized by water shortage, high soil calcium (Ca) and magnesium (Mg) content, and soil nutrient leaching, resulting in drought stress and growth limitation of plants. Methods This study compared nitrogen (N), phosphorus (P), potassium (K), Ca, and Mg of herbaceous and woody plants in a small Karst ecosystem in Southwest China. The indexes of water use efficiency (WUE) were calculated to identify the drought stress of plants in this Karst ecosystem. Meanwhile, the relationship between Ca and Mg accumulation and WUE was evaluated in herbaceous and woody plants. Results Herbaceous plants showed a higher content of leaf N (13.4 to 40.1 g·kg−1), leaf P (2.2 to 4.8 g·kg−1) and leaf K (14.6 to 35.5 g·kg−1) than woody plants (N: 10.4 g to 22.4 g·kg−1; P: 0.4 to 2.3 g·kg−1; K: 5.7 to 15.5 g·kg−1). Herbaceous plants showed a significantly positive correlation between WUE and K:Ca ratio (R = 0.79), while WUE has a strongly positive correlation with K:Mg ratio in woody plants (R = 0.63). Conclusion Herbaceous plants suffered from nitrogen (N) limitation, and woody plants were constrained by P or N+P content. Herbaceous plants had higher leaf N, P, and K than woody plants, while Ca and Mg showed no significant differences, probably resulting from the Karst environment of high Ca and Mg contents. Under high Karst Ca and Mg stress, herbaceous and woody plants responded differently to Ca and Mg stress, respectively. WUE of herbaceous plants is more sensitive to Ca stress, while that of woody plants is more sensitive to Mg stress. These findings establish a link between plant nutrients and hydraulic processes in a unique Karst ecosystem, further facilitating studies of the nutrient-water cycling system in the ecosystem.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of high Ca and Mg stress on plants water use efficiency in a Karst ecosystem

Qu¹,

Han²

2022

PeerJ

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“…In addition, adjusting the could be the main tool to maintain pH within the desired range [24] . The ratio of N/K, K/Ca, and in Yamazaki strawberry nutrient solution were 1.8, 1.5, and 10, respectively [25] . In the N-K interaction, an N/K ratio of 1.7 maximized the yield, antioxidant capacity, and phenolic compounds of strawberry [22] .…”

Section: Introductionmentioning

confidence: 95%

Adjusting the nutrient solution formula based on growth stages to promote the yield and quality of strawberry in greenhouse

Yu¹,

Zheng²,

Wang³

et al. 2023

International Journal of Agricultural and Biological Engineering

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To optimize the nutrient supply of strawberry, fertilization was reduced as much as possible on the premise of satisfying the elements needed for strawberry growth. This study put forward a modified nutrient solution formula (NM) by adjusting the ratios of N/K, K/Ca, in vegetative growth, flowering and fruiting, and fruit expanding stages based on Yamasaki strawberry nutrient solution formula (NY). Taking the NY as the control group, the NM was verified with elevated-grown 'Ssanta' strawberry using three different substrates (Vulcanics-added substrate, Horticultural substrate, Comme rcial substrate) in greenhouse. The results indicated that under the NM treatment, strawberry plants had better photosynthesis in the vegetative growth stage and flowering and fruiting stage, and the first crop yield and total crops yield per plant also increased by 20%. Although the vegetative growth stage was longer, it entered the full fruiting stage earlier so that the maturity stage was advanced one week. Compared to strawberries grown in horticultural substrate irrigated with NY, the fruit yield per plant of 'Ssanta' strawberry grown in horticultural substrate irrigated with NM increased by 26%, and the sugar-acid ratio and vitamin C content of primary fruits reached 10.6 and 74.1 mg/100g, improving by 41% and 34% respectively. The NM based on the growth stage can optimize the element needs of strawberry in all growth and development stages and maintain the substrate's pH stability, improving the yield and quality of ' Ssanta' strawberry under substrate cultivation. Therefore, it is recommended to use the horticultural substrate irrigated with the modified nutrient solution for the 'Ssanta' strawberries cultivation elevated in greenhouse to improve the economic benefit of strawberry cultivation.

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“…The sap results showed an interaction between K and Ca, as the treatment having no Ca (NPK) had higher K sap levels when compared to the other two treatments. Sap analysis could become a valuable tool for tracking fruit quality as the K:Ca ratio influences fruit quality in strawberries [71].…”

Section: Strawberrymentioning

confidence: 99%

Sap Analysis: A Powerful Tool for Monitoring Plant Nutrition

et al. 2021

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Horticultural crop production is moving towards an era of higher nutrient use efficiency since nutrient deficiencies can reduce plant growth, productivity, and quality, and overfertilization can cause environmental pollution. Rapid nutrient concentration diagnostic is essential to minimize the negative effects of Huanglongbing (HLB) or citrus greening in citrus by providing the required nutrients before deficiency symptoms appear, reducing the impact of the disease on crop production. Sap analysis is an additional tool for fine-tuning nutrient applications in citrus. The main objective of this paper is to review the different methodologies and results obtained with sap analysis, considering its potential application in citrus production. Results from other crops show the pros and cons of using this tool. Substantial research has been conducted on vegetables and greenhouse crops, but few studies are available on perennial species such as citrus. Inconsistency in the extraction and analysis methods and the lack of specific sufficiency ranges for citrus open the path for further studies. Along with soil and leaf analyses, sap analysis is a complementary technique that can improve nutrient use efficiency in citrus production. Moreover, sap analysis has the potential to optimize fertilizer application, minimize environmental impacts and improve sustainability.

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Different K:Ca ratios affected fruit color and quality of strawberry ‘Selva’ in soilless system

Cited by 4 publications

References 34 publications

Effects of high Ca and Mg stress on plants water use efficiency in a Karst ecosystem

Effects of high Ca and Mg stress on plants water use efficiency in a Karst ecosystem

Adjusting the nutrient solution formula based on growth stages to promote the yield and quality of strawberry in greenhouse

Sap Analysis: A Powerful Tool for Monitoring Plant Nutrition

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