Intervention effectmodel-written summary

photosynthetic rate increased by 130% with combined Zn and K.

A claim from Application of K and Zn Influences the Mineral Accumulation More in Hybrid Than Inbred Maize Cultivars · 2021

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

photosynthetic rate increased by 130% with combined Zn and K.

Taxon
MaizeZea mayst0
Treatment
Zn and K (Zn12K60)e1
Outcome
photosynthetic ratee0
Value
130%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Maize Cultivars”

✓ located verbatim in the source · title, characters 87–102
e0

“physiological attributes significantly improved the relative water content (76.4%), membrane stability index (77.9%), chlorophyll contents (170%), and photosynthetic rate (130%)”

✓ located verbatim in the source · abstract, characters 870–1047
e1

“combined fertilization approaches of Zn and K (Zn12K60)”

✓ located verbatim in the source · abstract, characters 620–675

Title

Application of K and Zn Influences the Mineral Accumulation More in Hybrid Than Inbred Maize Cultivars

Hafiz Muhammad Ali Raza; Muhammad Amjad Bashir; Abdur Rehim; et al. Plants 2021. doi:10.3390/plants10102206

Other claims from this paper (9)

Record rev-cabcb6bb72d9f04bad6e03413a6db5b642568a16846b6be697677c93bed20a84 · schema claims-v0.9 · position 7 in the model’s answer

zinc atom · physiology: photosynthesis · Zea mays (maize)Positive and negative results

16 papers: 13 positive, 3 negative or no effect

12 papers in the same direction as this claim · 3 in the opposite direction

  1. negative
    After 19 days of zinc stress, corn CO2 assimilation was 72% of control.

    Utilization and Redistribution of Zn During Vegetative Growth of Corn1 · 1978 · compared with control plants

    Opposite direction

  2. negative
    Zinc at 180 μM caused a 68% loss of photosystem II mediated electron transport activity.

    Characterization of alterations in photosynthetic electron transport activitiesin maize thylakoid membranes under zinc stress · 2014

    Opposite direction

  3. negative
    Photosynthetic potential of corn sowing decreased by 7,5 -34,2%.

    Features of photosynthetic activity of sowings of corn for grain in conditions of pollution with lead, cadmium, and zinc · 2016

    Opposite direction

  4. positive
    Zinc deficiency reduced the net photosynthetic rate of maize leaves.

    Photosynthetic rate, chlorophyll fluorescence parameters, and lipid peroxidation of maize leaves as affected by zinc deficiency · 2005

    Same directionAbout lacking this nutrient, so it counts the other way round

  5. positive
    Zinc addition increased plant biomass, stomatal conductance and photosystem 2 quantum yield in well-watered maize.

    Effects of zinc and soil moisture on photosynthetic rate and chlorophyll fluorescence parameters of maize · 2009

    Same direction

  6. positive
    Zn-Lys fertigation improved photosynthetic efficiency under limited water supply in both maize cultivars.

    Fertigation with Zn-Lysine Confers Better Photosynthetic Efficiency and Yield in Water Stressed Maize: Water Relations, Antioxidative Defense Mechanism and Nutrient Acquisition · 2022

    Same direction

  7. positive
    Zinc deficiency reduced photosynthetic oxygen evolution in maize leaf discs.

    Studies on photosynthetic electron transport, photophosphorylation and CO2fixation in zinc deficient leaf cells ofZea mavs. L. · 1981

    Same directionAbout lacking this nutrient, so it counts the other way round

  8. positive
    Silicon raised net photosynthetic rate by 25.2% under zinc toxicity.

    Silicon (Si) ameliorates the gas exchange and reduces negative impacts on photosynthetic pigments in maize plants under Zinc (Zn) toxicity · 2015 · compared with Zn-only treatment

    Same direction

7 papers more in this group

See all 16 papers →

potassium · physiology: photosynthesis · Zea mays (maize)Results agree

16 papers: 16 positive, 0 negative or no effect

15 papers in the same direction as this claim

  1. positive
    The chilling induced Fv/Fm decrease reversed during recovery in silicon treated leaves but not untreated leaves.

    Effect of foliar-applied silicon on photochemistry, antioxidant capacity and growth in maize plants subjected to chilling stress · 2016 · compared with non-Si-treated leaves

    Same direction

  2. positive
    Potassium deficiency decreased maize net photosynthesis.

    Silicon mitigates K deficiency in maize by modifying C, N, and P stoichiometry and nutritional efficiency · 2023 · compared with potassium sufficiency

    Same directionAbout lacking this nutrient, so it counts the other way round

  3. positive
    Increasing K application significantly improved net photosynthesis, transpiration rate, and stomatal conductance.

    Potassium Fertilization Influences Growth, Physiology and Nutrients Uptake of Maize (Zea Mays L.) · 2015

    Same direction

  4. positive
    Optimal nitrogen, phosphorus and potash proportions raised late-stage photosynthesis.

    Effect of fertilizer application on photosynthetic traits of spring maize. · 2009

    Same direction

  5. positive
    The higher potassium and zinc treatment improved maize photosynthetic attributes over farmer practice.

    Exceeding Potassium and Zinc Application Rate above Farmers Practiced Rate Improves Dry Matter Partitioning, Photosynthetic Attributes, Yield and Quality of Maize (Zea mays L.) under Dryland Condition · 2020 · compared with farmers adopted practice

    Same direction

  6. positive
    Photosynthetic rate, stomatal conductance and intercellular CO2 concentration reached their highest levels at those N, P and K rates.

    Studies on Photosynthetic Characteristics of Maize Leaves with High-yield Fertilization · 2008

    Same direction

  7. positive
    Potassium deficiency decreased maize photosynthetic rate, stomatal conductance, and transpiration rate.

    Effects of Potassium Deficiency on Photosynthetic Characters and Chlorophyll Fluorescence Characters in Maize Plants · 2008

    Same directionAbout lacking this nutrient, so it counts the other way round

  8. positive
    In non-calcareous soil, photosynthetic rate increased up to 120 kg K2O ha-1.

    Influence of Graded Levels on Potassium on Physiological Parameters of Hybrid Maize in Inceptisol · 2020

    Same direction

7 papers more in this group

See all 16 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.