Foliar nutrition: Potential and challenges under multifaceted agriculture

Ishfaq, Muhammad; Kiran, Aysha; Rehman, Hafeez ur; Farooq, Muhammad; Ijaz, Naseem Hassan; Nadeem, Faisal; Azeem, Imran; Li, Xuexian; Wakeel, Abdul

doi:10.1016/j.envexpbot.2022.104909

Cited by 57 publications

(24 citation statements)

References 149 publications

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“…It also plays a special role in cell division, nitrogen metabolism, photosynthesis, and the synthesis of protein auxin, RNA, and DNA [ 63 ]. The macronutrients present in the combination treatments, particularly NPK, when applied through the foliar spray could have boosted the photosynthesis process and regulated other metabolic processes in the plant [ 24 , 64 ]. K plays a positive role in the accumulation of carbohydrates in source (leaves) and its translocation to sink (grains), thus improving the yield.…”

Section: Discussionmentioning

confidence: 99%

Appropriate Application Methods for Salicylic Acid and Plant Nutrients Combinations to Promote Morpho-Physiological Traits, Production, and Water Use Efficiency of Wheat under Normal and Deficit Irrigation in an Arid Climate

Alotaibi

El-Hendawy

Mohammed

et al. 2023

Plants

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Freshwater shortage and inadequate nutrient management are the two major challenges for sustainable wheat production in arid agro-ecosystems. Relatively little is known about the positive roles of the application methods for the combination of salicylic acid (SA) and plant nutrients in sustaining wheat production under arid climatic conditions. A two-year field study was undertaken to assess the impact of seven treatments for the integrated application of SA, macronutrients, and micronutrients on the morpho-physiological traits, yield, and irrigation water use efficiency (IWUE) of wheat subjected to full (FL) and limited (LM) irrigation regimes. The results showed that the LM regime caused a significant reduction in different plant growth traits, relative water content, chlorophyll pigments, yield components, and yield, while a significant increase was observed in IWUE. The sole application of SA or co-application with micronutrients through soil did not significantly affect the studied traits under the FL regime, while they achieved some improvement over untreated plants under the LM regime. Based on the different multivariate analyses, the soil and foliar applications for the combinations of SA and micronutrients, as well as a foliar application for the combinations of SA, macronutrients, and micronutrients were identified as an efficient option for mitigating the negative impacts of water deficit stress and enhancing the growth and production of wheat under normal conditions. In conclusion, the results obtained herein indicated that the co-application of SA and macro- and micronutrients is an effective option to greatly enhance and improve the growth and production of wheat crops in water-scarce countries of arid regions, such as Saudi Arabia, while an appropriate application method for this combination was required for positive effects.

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Section: Discussionmentioning

confidence: 99%

Appropriate Application Methods for Salicylic Acid and Plant Nutrients Combinations to Promote Morpho-Physiological Traits, Production, and Water Use Efficiency of Wheat under Normal and Deficit Irrigation in an Arid Climate

Alotaibi

El-Hendawy

Mohammed

et al. 2023

Plants

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“…soil Zn application (Hussain et al 2012), foliar Zn spray (Ishfaq et al 2022) and seed Zn-priming (Hassan et al 2019). In our study, averaged across cultivars, Zn-priming and soil Zn increased grain Zn concentration at maturity as compared to control (Table 5).…”

Section: Zinc and Cadmium Accumulationmentioning

confidence: 50%

Seed priming and soil application of zinc decrease grain cadmium accumulation in standard and zinc-biofortified wheat cultivars

Umar

Hussain

2022

Crop & Pasture Science

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Context Cadmium (Cd) is a toxic metal for both plants and humans. Wheat grown on Cd-contaminated soils may accumulate toxic levels of Cd in grains. Aim This study aimed to compare soil zinc (Zn) application and seed Zn-priming for decreasing grain Cd concentration in standard and Zn-biofortified wheat cultivars grown on Cd-spiked soil. Methods Standard (Jauhar-2016) and Zn-biofortified (Zincol-2016) wheat cultivars were grown in pots filled with Cd-spiked soil (8 mg Cd kg−1). The tested Zn treatments were un-primed, hydro-primed, and Zn-primed seeds with and without soil Zn application at 8 mg kg−1. Key results Zinc treatments significantly mitigated the toxic effects of Cd on the growth and physiological parameters of both cultivars. As compared to control, all Zn treatments significantly increased Zn and decreased Cd concentration in grains of the cultivars. On average, the maximum increase in grain Zn concentration over control was approximately 36% with Zn-priming + soil Zn. The same treatment, as compared to control, decreased grain Cd concentration by 42% in Zincol-2016 and 35% in Jauhar-2016. Grain Cd concentration was within the permissible level (≤0.2 mg kg−1) in Jauhar-2016 at all Zn treatments and in Zincol-2016 at Zn-priming + soil Zn. Conclusion Soil Zn application, seed Zn-priming, and their combination were effective in decreasing grain Cd accumulation in wheat grown on Cd-contaminated soil. Implication Zinc treatments, especially the combination of soil Zn application and seed Zn-priming, should be recommended for wheat grown on Cd-contaminated soil.

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“…Finally, the amelioration of nutritional stress in the grains by supplementary foliar application of Pi minimized yield penalty in soybean plants facing postflowering P deficiencies compared to those sufficiently supplied with the nutrient (Figure 3A,B). Such promising results are in line with the target‐oriented use of foliar fertilization at critical phenological stages to enhance yield stability under unfavorable conditions for efficient root uptake (Ishfaq et al., 2022).…”

Section: Discussionmentioning

confidence: 69%

“…In this scenario, despite the erratic yield responses that have been also reported with foliar application of P (McBeath et al, 2020;Noack et al, 2010), this strategy of supplementary supply of the nutrient might be more widely adopted in diverse agroecosystems (Bindraban et al, 2020;Ishfaq et al, 2022;Withers et al, 2014). Accordingly, it remains crucial to better comprehend, during periods of high plant nutrient demand, the impact of foliar application of different P forms registered as fertilizers on grain crop productivity (Ratjen & Gerendás, 2009;Zambrosi, 2019).…”

Section: Introductionmentioning

confidence: 99%

Foliar application of phosphite reduces grain weight of soybean facing postflowering phosphorus deficiency

Duarte

Cipriano

Andrade

et al. 2022

J. Plant Nutr. Soil Sci.

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Background and aim We aimed to contribute with the foundation to adopt foliar P fertilization on soybean. Methods Treatments were a combination of contrasting postflowering root P supply versus foliar application of phosphate (Pi) or phosphite (Phi). Results Pi improved grain yield of P‐limited plants, while Phi was detrimental because of negative effects on grain weight. Conclusions Thus, cautions should be taken with foliar application of Phi during the generative phase of soybean under low‐P stress, as Phi impairs grain filling process.

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Foliar nutrition: Potential and challenges under multifaceted agriculture

Cited by 57 publications

References 149 publications

Appropriate Application Methods for Salicylic Acid and Plant Nutrients Combinations to Promote Morpho-Physiological Traits, Production, and Water Use Efficiency of Wheat under Normal and Deficit Irrigation in an Arid Climate

Appropriate Application Methods for Salicylic Acid and Plant Nutrients Combinations to Promote Morpho-Physiological Traits, Production, and Water Use Efficiency of Wheat under Normal and Deficit Irrigation in an Arid Climate

Seed priming and soil application of zinc decrease grain cadmium accumulation in standard and zinc-biofortified wheat cultivars

Foliar application of phosphite reduces grain weight of soybean facing postflowering phosphorus deficiency

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