Intervention effectmodel-written summary

Nickel treatment lengthened mean germination time.

A claim from Effects of Nickel at Different Concentrations on Germination and Physiological Characteristics of Rice Seeds · 2000

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nickel treatment lengthened mean germination time.

Treatment
nickel nitrate solutione0
Outcome
mean days of germinatione0
Direction
elongatede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“The germination rate, germination index and vigor index of rice (Xiangwanxian 15 1 cultivar) seeds decreased after soaked in nickel nitrate solution of 0 25~1 00 μmol/L for 24 h. Meanwhile, the mean days of germination was elongated”

✓ located verbatim in the source · abstract, characters 0–232

Title

Effects of Nickel at Different Concentrations on Germination and Physiological Characteristics of Rice Seeds

Hai Wang JOURNAL OF HUNAN AGRICULTURAL UNIVERSITY 2000

Other claims from this paper (8)

Record rev-e2356d5bfd7fcd95fd3402a3526af3c93773a7ffb0d219a1e17c09848c5d7029 · schema claims-v0.9 · position 2 in the model’s answer

nickel atom · growth · Oryza sativa (rice)Results differ

18 papers: 6 positive, 12 negative or no effect

11 papers in the same direction as this claim · 6 in the opposite direction

  1. positive
    Under Ni exposure, rice with plaque had significantly higher leaf growth increment than rice without plaque.

    Amelioration of copper and nickel toxicity by iron plaque on roots of rice (Oryza sativa) · 1992 · compared with plants without plaque

    Opposite direction

  2. positive
    Nickel supplementation increased dry weight in urea-grown rice.

    Influence of N and Ni supply on nitrogen metabolism and urease activity in rice (Oryza sativa L.) · 1998

    Opposite direction

  3. positive
    Nickel enhanced root growth of rice cultivar Nilgiri.

    Tolerance of rice to nickel in nutrient solution · 1997

    Opposite direction

  4. positive
    Supplying 0.5 mmol m−3 Ni to urea-grown rice increased dry weight and amino acid N contents.

    Influence of N and Ni supply on nitrogen metabolism and urease activity in rice (Oryza sativa L.) · 1998

    Opposite direction

  5. positive
    Rice seedlings treated with Ni-SiO2 NPs composite alone had a plant height of 64.8 cm, versus 45.20 cm for seedlings treated with distilled water.

    Bio-functionalized nickel-silica nanoparticles suppress bacterial leaf blight disease in rice (Oryza sativa L.) · 2023 · compared with distilled water

    Opposite direction

  6. positive
    Nickel at 10μM stimulated seedling growth.

    Toxicological changes in rice under nickel stress · 2022

    Opposite direction

  7. negative
    Nickel reduced rice germination rate significantly, mainly at 500 and 1000 ppm.

    Role ofBacillus licheniformisin Phytoremediation of Nickel Contaminated Soil Cultivated with Rice · 2013

    Same direction

  8. negative
    Application of Ni, Cu and As significantly decreased shoot and root biomass.

    Growth and tissue composition of rice grown in soil treated with inorganic copper, nickel, and arsenic · 1991

    Same direction

9 papers more in this group

See all 18 papers →

nitrogen · growth · Oryza sativa (rice)Positive and negative results

511 papers: 402 positive, 109 negative or no effect

108 papers in the same direction as this claim · 402 in the opposite direction

  1. positive
    Rice cell growth was better with ammonium and nitrate together than with nitrate as the sole nitrogen source.

    Studies on the nutrition of rice cell culture I. A simple, defined medium for rapid growth in suspension culture · 1973 · compared with nitrate as the sole nitrogen source

    Opposite direction

  2. positive
    Placing CRU with rice seeds improved rice growth.

    Controlled Release Urea Improved Nitrogen Use Efficiency, Activities of Leaf Enzymes, and Rice Yield · 2012

    Opposite direction

  3. positive
    High N supplement increased the chloroplast surface area exposed to intercellular airspace per leaf area in rice.

    Rapid responses of mesophyll conductance to changes of CO2 concentration, temperature and irradiance are affected by N supplements in rice · 2015 · compared with low N supplement

    Opposite direction

  4. positive
    Under mild water stress, medium N application increased total root length of upland rice compared with no N.

    Characteristics of root growth and water uptake from soil in upland rice and maize under water stress · 2000 · compared with no-N treatment

    Opposite direction

  5. positive
    Biochar with N application promoted rice root growth at tillering.

    Long‐term biochar application promotes rice productivity by regulating root dynamic development and reducing nitrogen leaching · 2020

    Opposite direction

  6. positive
    Growth dynamics of rice increased with nitrogen doses during active tillering and flowering.

    Physiological response of rice (Oryza sativaL.) genotypes to elevated nitrogen applied under field conditions · 2014

    Opposite direction

  7. positive
    Applications of POCU significantly increased N accumulation in aboveground rice biomass.

    Polyolefin‐Coated Urea Decreases Ammonia Volatilization in a Double Rice System of Southern China · 2012

    Opposite direction

  8. positive
    Optimized nitrogen management increased lower internode culm diameter and wall thickness.

    Optimized nitrogen management enhances lodging resistance of rice and its morpho-anatomical, mechanical, and molecular mechanisms · 2019 · compared with farmers' fertilizer practices

    Opposite direction

502 papers more in this group

See all 511 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.