Optimization of photosynthesis for sustainable crop production

Muhie, Seid Hussen

doi:10.1186/s43170-022-00117-3

Cited by 20 publications

(8 citation statements)

References 74 publications

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“…To meet the demand for food from the fast-growing global population, crop production will need to increase by approximately 60% ( Muhie, 2022 ). The flexible management practice of P fertilization can enhance crop productivity.…”

Section: Discussionmentioning

confidence: 99%

Phosphorus and naphthalene acetic acid increased the seed yield by regulating carbon and nitrogen assimilation of flax

Xie,

Duan,

Wang

et al. 2023

Front. Plant Sci.

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To evaluate the impact of phosphorus (P) combined with exogenous NAA on flax yield, enhance flax P utilization efficiency and productivity, minimize resource inputs and mitigate negative environmental and human effects. Therefore, it is crucial to comprehend the physiological and biochemical responses of flax to P and naphthylacetic acid (NAA) in order to guide future agronomic management strategies for increasing seed yield. A randomized complete block design trial was conducted under semi-arid conditions in Northwest China, using a factorial split-plot to investigate the effects of three P (0, 67.5, and 135.0 kg P2O5 ha–1) and three exogenous spray NAA levels (0, 20, and 40 mg NAA L–1) on sucrose phosphate synthase (SPS) and diphosphoribulose carboxylase (Rubisco) activities as well as nitrogen (N) and P accumulation and translocation in flax. Results indicated that the SPS and Rubisco activities, N and P accumulation at flowering and maturity along with assimilation and translocation post-flowering, fruiting branches per plant, tillers per plant, capsules per plant, and seed yield were 95, 105, 14, 27, 55, 15, 13, 110, 103, 82, 16, 61, 8, and 13% greater in the P treatments compared to those in the zero P treatment, respectively. Moreover, those characteristics were observed to be greater with exogenous spray NAA treatments compared to that no spray NAA treatment. Additionally, the maximum SPS and Rubisco activities, N and P accumulation, assimilation post-flowering and translocation, capsules per plant, and seed yield were achieved with the application of 67.5 kg P2O5 ha–1 with 20 mg NAA L–1. Therefore, these findings demonstrate that the appropriate combination of P fertilizer and spray NAA is an effective agronomic management strategy for regulating carbon and nitrogen assimilation by maintaining photosynthetic efficiency in plants to increase flax productivity.

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Section: Discussionmentioning

confidence: 99%

Phosphorus and naphthalene acetic acid increased the seed yield by regulating carbon and nitrogen assimilation of flax

Xie,

Duan,

Wang

et al. 2023

Front. Plant Sci.

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“…The photosynthesis canopy groups and the accumulation of dry matter in rice are closely related to the uptake of assimilates (Muhie, 2022). The mismatch of light and nitrogen in the canopy is considered to be an important factor limiting rice yield and NUE (Hikosaka, 2005).…”

Section: Growth By Ctkmentioning

confidence: 99%

Influence of cultivation practices on the metabolism of cytokinin and its correlation in rice production

Saud

Cai

et al. 2023

Food and Energy Security

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Cytokinin (CTK) has an important regulatory effect on plant morphology, physiology, and yield, and is one of the main factors regulating nitrogen absorption, transport, and metabolism. This paper reviews the research progress in nitrogen absorption, transport and metabolism, cytokinin synthesis, transport and signal transduction, etc., focusing on the physiological mechanisms by which CTK and nitrogen collaborate to regulate the root–shoot relationship and its impact on agronomic traits of crops. The synthesis of trans‐zeatin (tZ) and trans‐zeatin riboside (tZR) is generally regulated by root nitrogen, which is transported them to the sprouts, regulates nitrogen allocation and metabolism, and affects photosynthetic characteristics and yield. In young shoots, nitrogen upregulates the synthesis of isopentenyl, adenine (iP), and iP‐nucleoside (iPR) and transports to roots through the phloem, reducing nitrogen uptake and transport, affecting root morphology. Based on this, the role of, CTK in coordinating relationships between source repositories and enhancing injection. We conducted an analysis on how various cultivation methods impact CTK metabolism and its relationship with plant growth. Additionally, we discussed the challenges associated with applying CTK functions to paddy field production and suggested future research directions.

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“…Photosynthetic efficiency depends on pigments (CHLa, CHLb and CRT), since they are fundamental in the photochemical stage of photosynthesis (Muhie, 2022). The foliar application of 1.5 mM of SA in P. coccineus, improved the chlorophyll contents.…”

Section: Photosynthetic Pigmentsmentioning

confidence: 99%

“…: positive effect on both hypocotyl height and diameter, nutrient absorption, stomatal closure, transpiration, chlorophyll, protein biosynthesis, proline biosynthesis, antioxidative enzymes, plant defense and secondary metabolism (Afshari et al, 2021;Gordillo-Curiel et al, 2021;Yan et al, 2022). It improves the transpiratory rate, water use efficiency, stomatal conductance, internal CO 2 concentration, photosynthetic assimilation rate and fixation of enzymes such as RuBisCo (Galon et al, 2022;Muhie, 2022).…”

Section: Introductionmentioning

confidence: 99%

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Interactive effect of moisture restriction and salicylic acid on biochemical responses in Phaseolus coccineus

Aguilar-Luna

Loeza-Corte²,

Díaz-López

2022

RevFacAgron(LUZ)

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The increase in water scarcity leads to consider the understanding of staple crops under these conditions, coupled with this, the positive responses of salicylic acid in different crops, may be an option in bringing to fruition the cultivation of runner bean (Phaseolus coccineus). This study evaluated the effect of salicylic acid (SA) on the biochemical responses in P. coccineus, with humidity restriction in the periods from January to July 2019 and 2020, at the Benemerita Autonomous University of Puebla, Mexico. The research consisted of three levels of drought: 30, 60 and 100% soil moisture; five levels of SA: 0, 0.5, 1.0, 1.5 and 2.0 mM; and two levels of fertilization: non-fertilizer and fertilizer [(00-60-30) at sowing + (30N) foliar nitrogen at grain filling stage] for the two growing periods. The experimental design was in factorial random blocks with five replications. The results showed that the foliar application with 1.5 mM of SA maintained the highest relative water content in leaves (89.05%), as well as chlorophyll a, b and carotenoids (2.20, 1.11 and 0.90 µg.mL-1, respectively); of glycinebetaine (24.80 µmol.g-1 DW) and total soluble sugars (31.15 mg eq.glucose g-1 DW), excluding proline. The SA did not increase the protein fractions, even in plants with fertilizer; but the positive effects of SA were greater in plants without hydric stress and with fertilization.

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Optimization of photosynthesis for sustainable crop production

Cited by 20 publications

References 74 publications

Phosphorus and naphthalene acetic acid increased the seed yield by regulating carbon and nitrogen assimilation of flax

Phosphorus and naphthalene acetic acid increased the seed yield by regulating carbon and nitrogen assimilation of flax

Influence of cultivation practices on the metabolism of cytokinin and its correlation in rice production

Interactive effect of moisture restriction and salicylic acid on biochemical responses in Phaseolus coccineus

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