Intervention effectmodel-written summary

Actinobacteria-derived iron nanoparticle treatment gave significantly higher productive spikes per square meter of 253.67 m-2.

A claim from Effect of Biosynthesized Iron Nanoparticles on Wheat Production (Triticum aestivum L.) · 2025

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Actinobacteria-derived iron nanoparticle treatment gave significantly higher productive spikes per square meter of 253.67 m-2.

Treatment
seed priming at 250 ppm and foliar spraying at 500 ppm at panicle initiation stage with iron nanoparticles biosynthesized through actinobacteriae0
Outcome
productive spikes per square metere0
Direction
highere0
Value
253.67 m-2e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

“Wheat seed priming at 250 ppm and foliar spraying at 500 ppm at panicle initiation stage with iron nanoparticles biosynthesized through actinobacteria (T6) recorded significantly higher plant height (96.28 cm), number of tillers per meter row length (173.00), leaf area (73.45 dm2 m row length-1), leaf area index (3.26), total dry matter production (368.34 g m row length-1), productive spikes per square meter (253.67 m-2), number of grains per spike (48.23), grain weight per spike (1.80 g), 1,000 grain weight (42.19 g), grain yield (4563 kg ha-1) and straw yield (6357 kg ha-1)”

✓ located verbatim in the source · abstract, characters 957–1539

Title

Effect of Biosynthesized Iron Nanoparticles on Wheat Production (Triticum aestivum L.)

S. Nazma; T. Sudha; D.P. Biradar; et al. Indian Journal of Agricultural Research 2025. doi:10.18805/ijare.a-6331

Other claims from this paper (10)

Record rev-88ca574cb535db96f748248d4da8e16cfce202f1964eeb90053d56a02d4f24bf · schema claims-v0.9 · position 6 in the model’s answer

iron atom · yield · Triticum aestivum (wheat)Results differ

99 papers: 92 positive, 7 negative or no effect

91 papers in the same direction as this claim · 7 in the opposite direction

  1. no effect
    soil application of Fe-EDDHA did not significantly affect wheat dry matter yield.

    Interaction of Iron with Copper, Zinc, and Manganese in Wheat as Affected by Iron and Manganese in a Calcareous Soil · 2008

    Opposite direction

  2. no effect
    Severe iron decrement did not affect crop growth or yield contributing parameters.

    Effects of Iron on the Wheat Crop (Triticum aestivum L.) by Uptake of Nitrogen, Phosphorus and Potassium · 2012

    Opposite direction

  3. no effect
    Iron did not significantly influence wheat growth and yield.

    Effect of sulphur and micronutrients on growth, nutrient content and yield of wheat (Triticum aestivum L.). · 2000

    Opposite direction

  4. negative
    Salmag with Fe had a slightly weaker grain yield effect than pure Salmag.

    New Fertilisers with Innovative Chelates in Wheat Cultivation · 2024 · compared with pure Salmag®

    Opposite direction

  5. no effect
    Fe addition had no effect on wheat grain yield.

    Loading of zinc and iron in grains of different wheat genotypes in the calcareous and floodplain soils of Bangladesh · 2023

    Opposite direction

  6. no effect
    Micronutrients (Zn, Cu, Fe and Mn) had no significant effect on wheat yield.

    Maximizing wheat yield through integrated use of farmyard manure and fertilizers · 2016

    Opposite direction

  7. no effect
    Additional iron did not change wheat yield or iron or manganese uptake.

    Response to iron and manganese application as affected by their availability in a Typic Natraqualf · 1994

    Opposite direction

  8. positive
    Soil or foliar application of FeSO4 and ZnSO4, alone or combined, increased plant height, tiller number and spike length of wheat.

    Biofortification with Zinc and Iron Improves the Grain Quality and Yield of Wheat Crop · 2020

    Same direction

90 papers more in this group

See all 99 papers →

Actinomycetota · yield · Triticum aestivum (wheat)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this claim

  1. positive
    Seed priming plus foliar spraying at 500 ppm with actinobacteria-biosynthesized zinc nanoparticles (T12) gave significantly higher number of grains per spike (46.73) in wheat.

    Biofortification of Wheat Using Biologically Synthesized Zinc Nanoparticles · 2024

    Same direction

  2. positive
    Actinobacteria-derived zinc nanoparticles gave significantly higher productive spikes per square meter (259.33 m-2) in wheat.

    Agronomic fortification of wheat (Triticum aestivum L.) using biosynthesized zinc nanoparticles · 2024

    Same direction

  3. positive
    The same treatment significantly increased the number of tillers per plant to 4.87 in wheat.

    Seed Priming and Foliar Spraying with Biosynthesized Zinc Nanoparticles on Wheat (Triticum aestivum L.) Production · 2024

    Same direction

See all 4 papers →

nanoparticle · yield · Triticum aestivum (wheat)Positive and negative results

260 papers: 242 positive, 18 negative or no effect

241 papers in the same direction as this claim · 18 in the opposite direction

  1. negative
    The higher nano iron oxide rate decreased those three traits.

    Effect of foliar application of nano-iron oxidase, iron chelate and iron sulphate rates on yield and quality of wheat. · 2013

    Opposite direction

  2. negative
    Nitrogen fertilizer treatments showed significant annual wheat yield declines of 76 to 114 kg ha−1 yr−1.

    Effects of Inorganic Fertilizer Inputs on Grain Yields and Soil Properties in a Long‐Term Wheat–Corn Cropping System in South China · 2008

    Opposite direction

  3. negative
    Wheat yield declined by 84.7 kg/ha/yr under NP fertilization

    Trends in grain yields and soil organic C in a long‐term fertilization experiment in the China Loess Plateau · 2008

    Opposite direction

  4. negative
    Under 100% NP, wheat grain yield fell 19% in 1994 to 1998 relative to 1973 to 1977.

    EFFECTS OF TWENTY-FIVE YEARS OF FERTILIZER USE ON MAIZE AND WHEAT YIELDS AND QUALITY OF AN ACIDIC SOIL IN THE WESTERN HIMALAYAS · 2003 · compared with 1973 to 1977

    Opposite direction

  5. no effect
    Nano-N with 75% conventional N gave wheat and maize grain yield at par with full conventional fertilizer.

    Changes in microbial community structure and yield responses with the use of nano-fertilizers of nitrogen and zinc in wheat–maize system · 2024 · compared with N 100 PK

    Opposite direction

  6. negative
    65 kg ha –1 plus nano urea foliar sprays reduced wheat grain yield by 10.7 %.

    Relative performance of granulated and nano urea on productivity and nitrogen use efficiency of wheat–rice sequence · 2024

    Opposite direction

  7. no effect
    Nanoselenium and sodium selenite also had no significant effect on wheat yield.

    Humic acid chelated selenium is suitable for wheat biofortification · 2023

    Opposite direction

  8. no effect
    Combined NPK and NANO-GRO did not affect grain yield or its components in common wheat or spelt.

    Nutritional and technological characteristics of common and spelt wheats are affected by mineral fertilizer and organic stimulator NANO-GRO · 2016

    Opposite direction

251 papers more in this group

See all 260 papers →

3 of 5 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.