Intervention effectmodel-written summary

The zinc treatment produced a significantly higher leaf-area index of 1.98.

A claim from Productivity of wheat (Triticum aestivum) as influenced by zinc fertilization under semi-arid conditions of Kandahar, Afghanistan · 2023

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The zinc treatment produced a significantly higher leaf-area index of 1.98.

Taxon
wheat (Triticum aestivum)Triticum aestivumt0
Treatment
2.5 kg Zn/ha as basal + 2 foliar sprays @ 0.5% through ZnSO4e1
Outcome
leaf-area indexe0
Direction
highere1
Value
1.98e0
Comparator
rest of the treatmentse1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“leaf-area index (1.98)”

✓ located verbatim in the source · abstract, characters 473–495
e1

“2.5 kg Zn/ha as basal + 2 foliar sprays @ 0.5% through ZnSO4 , were significantly higher over rest of the treatments”

✓ located verbatim in the source · abstract, characters 668–784
t0

“wheat (Triticum aestivum)”

✓ located verbatim in the source · title, characters 16–41

Title

Productivity of wheat (Triticum aestivum) as influenced by zinc fertilization under semi-arid conditions of Kandahar, Afghanistan

NAJIBULLAH HEMMAT; KHALILULLAH KHALEEQ; NASIR AHMAD NASRAT; et al. Indian Journal of Agronomy 2023. doi:10.59797/ija.v68i2.363

Other claims from this paper (16)

Record rev-55e2e27c570024a88912e980bc796fb32778b6d6485bc3e247d13b07c05d55e9 · schema claims-v0.9 · position 4 in the model’s answer

zinc sulfate · growth · Triticum aestivum (wheat)Results differ

33 papers: 30 positive, 3 negative or no effect

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

  1. negative
    Higher ZnSO4 exposure significantly decreased wheat growth and germination rates relative to controls and ZnO-NP groups.

    Functionalized-ZnO-Nanoparticle Seed Treatments to Enhance Growth and Zn Content of Wheat (Triticum aestivum) Seedlings · 2018 · compared with the controls and the ZnO-NP groups

    Opposite direction

  2. no effect
    Heat-induced growth retardation of barley and wheat coleoptiles could not be prevented by dilute solutions of calcium chloride, cobalt nitrate or zinc sulphate.

    Heat-induced growth retardation and attempts at its prevention in barley and wheat coleoptiles · 1972

    Opposite direction

  3. negative
    ZnSO4 (10 mmol) inhibited plant growth of winter wheat seedlings

    Influence of stevioside and heavy metals on physiological and biochemical parameters of winter wheat · 2014

    Opposite direction

  4. positive
    Foliar inorganic and chelated zinc sources provided sufficient zinc for vigorous wheat growth.

    Zinc Mobility in Wheat: Uptake and Distribution of Zinc Applied to Leaves or Roots · 2001

    Same direction

  5. positive
    Combined use of both salts as priming agents gave the best performance in plant height, leaf number and area, and fresh and dry weights of leaves and stem.

    Seed Priming with Mg(NO3)2 and ZnSO4 Salts Triggers the Germination and Growth Attributes Synergistically in Wheat Varieties · 2021 · compared with the nonprimed one

    Same direction

  6. positive
    Priming with 0.5 M ZnSO4 improved leaf elongation and expansion.

    Seed priming with zinc sulfate and zinc chloride affects physio-biochemical traits, grain yield and biofortification of bread wheat (Triticum aestivum) · 2022

    Same direction

  7. positive
    Foliar zinc sulphate at 4 and 6 mM significantly increased leaf length, leaf area, and plant height.

    Foliar application of zinc sulphate to improve yield and grain zinc content in wheat (Triticum aestivum L.) · 2019

    Same direction

  8. positive
    ZnSO4 priming increased wheat growth compared with control under salt stress.

    Response of Wheat (Triticum aestivum L.) to Zinc Sulphate and Copper Sulphate under salt stress · 2020 · compared with control

    Same direction

24 papers more in this group

See all 33 papers →

zinc atom · growth · Triticum aestivum (wheat)Results differ

200 papers: 155 positive, 45 negative or no effect

154 papers in the same direction as this claim · 43 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    Surfactant with chelated zinc sprays did not cause negative wheat growth effects.

    Zinc Mobility in Wheat: Uptake and Distribution of Zinc Applied to Leaves or Roots · 2001

    Opposite direction

  2. no effect
    Wheat plants with low Mn or low Zn supply showed no growth differences from controls at the three harvests.

    Distribution and remobilization of Zn and Mn during grain development in wheat · 1994 · compared with controls (sufficient Zn and Mn)

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

  3. negative
    The 300 Zn treatment decreased shoot and root growth.

    Analysis of Triticum aestivum seedling response to the excess of zinc · 2015

    Opposite direction

  4. negative
    Zinc inhibited non mycorrhizal wheat shoot dry yield.

    Arbuscular mycorrhizal strategy for zinc mycoremediation and diminished translocation to shoots and grains in wheat · 2017

    Opposite direction

  5. no effect
    At the 180 mM salinity level, Zn fertilization had no effect on shoot dry matter of wheat genotypes.

    Responses of Wheat Genotypes to Zinc Fertilization Under Saline Soil Conditions · 2006 · compared with absence of added Zn

    Opposite direction

  6. negative
    Low zinc reduced shoot and root biomass.

    Supra‐optimal growth temperature exacerbates adverse effects of low Zn supply in wheat · 2019

    Opposite direction

  7. negative
    Excess zinc significantly reduced shoot and root biomass.

    Effect of Soil and Foliar Silicon Application on the Reduction of Zinc Toxicity in Wheat · 2020

    Opposite direction

  8. no effect
    ZnO zinc at 50 mg kg -1 had no negative effect on wheat growth.

    Growth improvement of wheat (Triticum aestivum) and zinc biofortification using potent zinc-solubilizing bacteria · 2023

    Opposite direction

191 papers more in this group

See all 200 papers →

application · growth · Triticum aestivum (wheat)Positive and negative results

307 papers: 273 positive, 34 negative or no effect

272 papers in the same direction as this claim · 32 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    Surfactant with chelated zinc sprays did not cause negative wheat growth effects.

    Zinc Mobility in Wheat: Uptake and Distribution of Zinc Applied to Leaves or Roots · 2001

    Opposite direction

  2. no effect
    Foliar silicon did not significantly affect wheat growth under control conditions.

    Influence of foliar application of silicon on chlorophyll fluorescence, photosynthetic pigments, and growth in water-stressed wheat cultivars differing in drought tolerance · 2015 · compared with control conditions

    Opposite direction

  3. no effect
    Foliar calcium application did not increase growth.

    The limits of sodium/calcium interactions in plant growth · 2000

    Opposite direction

  4. no effect
    Cytokinin sprays did not affect tillering of wheat plants grown with mixed N.

    Cytokinins in Enhanced Growth and Tillering of Wheat Induced by Mixed Nitrogen Source · 1996

    Opposite direction

  5. negative
    Immersion of roots in stagnant agar solution killed the entire seminal root system in all genotypes tested.

    Root Development and Aerenchyma Formation in Two Wheat Cultivars and One Triticale Cultivar Grown in Stagnant Agar and Aerated Nutrient Solution · 1998 · compared with aerated solution

    Opposite direction

  6. no effect
    Botanical pesticide spray left wheat seedling growth almost unaffected.

    Plant oil mixtures as a novel botanical pesticide to control gregarious locusts · 2019

    Opposite direction

  7. no effect
    Soaking wheat seed did not affect final germination percentage or subsequent growth under normal conditions

    The effect of soaking and drying seeds before planting on the germination and growth of Triticum vulgare under normal and saline conditions · 1975

    Opposite direction

  8. negative
    Direct soaking in thyme oil inhibited wheat seed germination.

    Antifungal potential of thyme essential oil as a preservative for storage of wheat seeds · 2017

    Opposite direction

298 papers more in this group

See all 307 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.