Intervention effectmodel-written summary

MS medium with NAA (0.5 mg/l) and BAP (2.0 mg/l) was superior for callus greening and shoot regeneration to the 1.5 mg/l BAP combination.

A claim from Callus induction and regeneration in selected indica genotypes of rice (Oryza sativa L.) · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MS medium with NAA (0.5 mg/l) and BAP (2.0 mg/l) was superior for callus greening and shoot regeneration to the 1.5 mg/l BAP combination.

Treatment
MS medium with NAA (0.5 mg/l) + BAP (2.0 mg/l)e0
Outcome
greening of calli and regeneration of shootse0
Direction
superiore0
Comparator
MS + NAA (0.5 mg/l) + BAP (1.5 mg/l)e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

“MS medium with NAA (0.5 mg/l) + BAP (2.0 mg/l) was found to be superior for greening of calli and regeneration of shoots, followed by MS + NAA (0.5 mg/l) + BAP (1.5 mg/l)”

✓ located verbatim in the source · abstract, characters 446–616
t0

“rice (Oryza sativa L.)”

✓ located verbatim in the source · title, characters 66–88

Title

Callus induction and regeneration in selected indica genotypes of rice (Oryza sativa L.)

P. Dhamotharan; R. Saraswathi; N. Meenakshi ganesan; et al. Electronic Journal of Plant Breeding 2021. doi:10.37992/2021.1203.140

Other claims from this paper (2)

Record rev-eea9ba6781b2bf4e422137c305581aa9fcbeeaf99f41ab8919803d7b795b49a9 · schema claims-v0.9 · position 2 in the model’s answer

1-naphthaleneacetic acid · growth · Oryza sativa (rice)Results differ

71 papers: 65 positive, 6 negative or no effect

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

  1. positive
    The maximum regeneration frequency of 100% was achieved on MS medium with BAP, Kin, NAA and TDZ within four weeks.

    Improvement of efficient in vitro regeneration potential of mature callus induced from Malaysian upland rice seed (Oryza sativa cv. Panderas) · 2015

    Same directionCited by this paper

  2. positive
    In regeneration medium, 2 mg L-1 BAP with 1 mg L-1 Kn and 0.5 mg L-1 NAA was optimum for maximum plantlet regeneration.

    Plant regeneration in different genotypes of indica rice · 2007

    Same directionCited by this paper

  3. positive
    On regeneration media with 1 mg/l NAA, shoot induction frequency of rice CO 51 calli was highest (72.2%) among the NAA concentrations tested.

    Protocol optimization for rapid and efficient callus induction and in-vitro regeneration in rice (Oryza sativa L.) cv. CO 51 · 2020 · compared with various concentrations of NAA

    Same directionCited by this paper

  4. no effect
    Alpha-NAA had no effect on the measured adventitious root traits.

    Polar Auxin Transport Determines Adventitious Root Emergence and Growth in Rice · 2019

    Opposite direction

  5. no effect
    Exogenous NAA had no effect on secondary LR formation in rice

    A Strigolactone Signal Inhibits Secondary Lateral Root Development in Rice · 2019

    Opposite direction

  6. no effect
    NAA did not significantly change shoot growth.

    Growth regulation of cow1 rice mutant seedlings by blue light · 2010

    Opposite direction

  7. negative
    NAA was unsuitable for rice callus induction.

    Potensi Padi Bukit sebagai Alternatif kepada Padi Sawah · 2014

    Opposite direction

  8. negative
    NAA significantly reduced germination percentage and potentiality in both aged rice seed groups.

    Effect of the Hormone on the Vitality Recovery in Aged Rice Seed · 2003

    Opposite direction

62 papers more in this group

See all 71 papers →

N-benzyladenine · growth · Oryza sativa (rice)Results differ

72 papers: 68 positive, 4 negative or no effect

67 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
    The maximum regeneration frequency of 100% was achieved on MS medium with BAP, Kin, NAA and TDZ within four weeks.

    Improvement of efficient in vitro regeneration potential of mature callus induced from Malaysian upland rice seed (Oryza sativa cv. Panderas) · 2015

    Same directionCited by this paper

  2. positive
    In regeneration medium, 2 mg L-1 BAP with 1 mg L-1 Kn and 0.5 mg L-1 NAA was optimum for maximum plantlet regeneration.

    Plant regeneration in different genotypes of indica rice · 2007

    Same directionCited by this paper

  3. positive
    BA at 2.0 mg/L produced the highest regeneration rate, 50%.

    An Effective Protocol for Callus Induction and Plant Regeneration in an Indica Rice Cultivar RD43 · 2025

    Same directionCites this paper

  4. negative
    BAP reduced callus induction frequency and callus growth.

    An Improved Method for Shoot Regeneration from Calli of Indica Rice (Basmati) · 2000

    Opposite direction

  5. negative
    6-BA significantly reduced germination percentage in the first aged rice seed group.

    Effect of the Hormone on the Vitality Recovery in Aged Rice Seed · 2003

    Opposite direction

  6. negative
    6-BA inhibited primary root elongation with concentration and time.

    Exogenous 6-Benzyladenine and Kinetin Restrict Rice Seedling Root Growth, and Ag+ Partially Alleviates the Inhibition in Association with Ethylene-Related Responses and Increased Lipid Peroxidation · 2026

    Opposite direction

  7. no effect
    Adding BAP (8.8 µM) to media with various ammonium nitrate levels did not significantly change regeneration frequency or plantlet number.

    Influence of Ammonium Nitrate on Plant Regeneration in Indica Rice (Oryza sativa Linn.) · 2002 · compared with various levels of ammonium nitrate

    No difference from an alternative

  8. positive
    Biochar amendment increased the mean weight diameter of water-stable aggregates by 25% relative to the unamended field.

    Legacy of soil health improvement with carbon increase following one time amendment of biochar in a paddy soil – A rice farm trial · 2020 · compared with NB field

    Same direction

63 papers more in this group

See all 72 papers →

in vitro · growth · Oryza sativa (rice)Positive and negative results

165 papers: 140 positive, 25 negative or no effect

139 papers in the same direction as this claim · 24 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Increased salinity decreased pollen viability in rice.

    Effects of salinity on seed set in rice · 1995

    Opposite direction

  2. negative
    Stagnant medium markedly reduced root growth rate relative to aerated conditions.

    Stagnant deoxygenated growth enhances root suberization and lignifications, but differentially affects water and NaCl permeabilities in rice (Oryza sativa L.) roots · 2011 · compared with aerated conditions

    Opposite direction

  3. negative
    Aerobic culture restricted adventitious root emergence and lateral root proliferation even in nearly saturated soil.

    Root morphology, hydraulic conductivity and plant water relations of high-yielding rice grown under aerobic conditions · 2011 · compared with flooded conditions

    Opposite direction

  4. negative
    All rice varieties showed decreased growth under PEG drought.

    Antioxidant Protection Mechanisms Reveal Significant Response in Drought-Induced Oxidative Stress in Some Traditional Rice of Assam, India · 2018

    Opposite direction

  5. no effect
    The authors observed no considerable reduction of rice growth from silicon absence during at least the vegetative stage.

    The chemical nature of silicon in rice plant · 1959

    Opposite direction

  6. negative
    Lower root medium osmotic potential reduced height, leaf area, and shoot dry weight at both nitrogen levels.

    Effects of nitrogen nutrition and root medium water potential on growth, nitrogen uptake and osmotic adjustment of rice · 1984

    Opposite direction

  7. negative
    Iron deficiency reduced rice biomass.

    Gibberellins regulate iron deficiency-response by influencing iron transport and translocation in rice seedlings (Oryza sativa) · 2017

    Opposite direction

  8. negative
    Removing methionine from CMAA medium discouraged rice callus growth.

    Methionine-lysine-threonine-isoleucine interrelationships in the amino acid nutrition of rice callus tissue · 1970

    Opposite direction

156 papers more in this group

See all 165 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.