Intervention effectmodel-written summary

Liquid MS medium with NAA and activated charcoal produced the highest embryo count, 160 from 500 mg callus.

A claim from A comparative study between solid and liquid cultures relative to callus growth and somatic embryo formation in date palm (Phoenix dactylifera L.) cv. Zaghlool · 2013

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Liquid MS medium with NAA and activated charcoal produced the highest embryo count, 160 from 500 mg callus.

Taxon
date palmPhoenix dactyliferat0
Treatment
liquid MS medium enriched with 0.1 mg l -1 NAA and 1.5 g l -1 ACe0
Outcome
number of somatic embryose0
Direction
higheste0
Value
160 embryose0
Qualifier
500 mg initial calluse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSetting

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Using liquid MS medium enriched with 0.1 mg l -1 NAA and 1.5 g l -1 AC gave rise to the highest number of somatic embryos formed from 500 mg initial callus: 160 embryos”

✓ located verbatim in the source · abstract, characters 1523–1691
t0

“date palm (Phoenix dactylifera L.) cv. Zaghlool”

✓ located verbatim in the source · title, characters 112–159

Title

A comparative study between solid and liquid cultures relative to callus growth and somatic embryo formation in date palm (Phoenix dactylifera L.) cv. Zaghlool

Y Ibraheembr; I Böhme Emirates Journal of Food and Agriculture 2013. doi:10.9755/ejfa.v25i11.16661

Other claims from this paper (5)

Record rev-eaa2a66e555362eb95bdb931e381090b095a35ed90a3ab1312dfe54568138a63 · schema claims-v0.9 · position 4 in the model’s answer

charcoal · growth · Phoenix dactylifera (date palm)Results differ

16 papers: 15 positive, 1 negative or no effect

14 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    Temporary immersion culture yielded 172 somatic embryos from 500 mg callus.

    An efficient protocol for indirect somatic embryogenesis and shoot organogenesis from leaf segments of date palm (Phoenix dactylifera L.) CV. Quntar · 2015

    Same directionCites this paper

  2. no effect
    Charcoal addition had no visible effect on root formation.

    EXPLANT RESPONSES OF AGED TREES AND OFFSHOOTS OF DATE PALM IN MICROPROPAGATION. · 2008

    Opposite direction

  3. positive
    The highest charcoal concentration of 9 g/l with NAA at 1.5 mg/l gave the best results for number of roots and root length.

    Propagation of date palm (Phoenix dactylifera) plants by using tissue culture technique · 2005

    Same direction

  4. positive
    At 0.75 g/l activated charcoal, elongation reached 7.3 cm.

    Identification of the effect of different levels of activated charcoal and sucrose on multiplication shoots of date palm phenixdactylifera L.C.v. sufedy in vitro · 2013

    Same direction

  5. positive
    1 g/L of activated charcoal improved length to 0.99 cm.

    In vitro somatic embryogenesis response of date palm cv. Sukkary to sucrose and activated charcoal concentrations · 2017 · compared with other treatments

    Same direction

  6. positive
    Activated charcoal medium induced white friable embryogenic callus in cv. Samany (84%).

    Micropropagation of elite date palm (Phoenix dactylifera L.) cultivars Samany and Bertamoda through immature inflorescence explants · 2023

    Same direction

  7. positive
    Medium with 0.05 mg/L benzyl adenine without activated charcoal significantly promoted embryos and shoots in all cultivars.

    Improvement of somatic embryogenesis and plant regeneration of seven date palm (Phoenix dactylifera L.) cultivars: Effect of cytokinins and activated charcoal · 2013

    Same direction

  8. positive
    Activated charcoal significantly enhanced plantlet growth, plantlet height and number of leaves per plantlet of in vitro date palm compared with Fe-modified activated carbon.

    Zinc Oxide Nanoparticles and Fe-Modified Activated Carbon Affecting the In Vitro Growth of Date Palm Plantlets cv. Medjool · 2022 · compared with Fe-AC

    Same direction

7 papers more in this group

See all 16 papers →

1-naphthaleneacetic acid · growth · Phoenix dactylifera (date palm)Positive and negative results

39 papers: 38 positive, 1 negative or no effect

37 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    The specified regulator mix regenerated the highest number of shoots.

    An efficient protocol for indirect somatic embryogenesis and shoot organogenesis from leaf segments of date palm (Phoenix dactylifera L.) CV. Quntar · 2015

    Same directionCites this paper

  2. negative
    Naphthaleneacetic acid reduced pollen germination.

    Optimization of conditions for in vitro pollen germination and pollen tube growth of date palm (Phoenix dactylifera L.) · 2018

    Opposite direction

  3. positive
    Medium with 1.0 mg/L NAA produced optimum rooting of 90%.

    MICROPROPAGATION OF DATE PALM (PHOENIX DACTYLIFERA L.) VAR. MAKTOOM THROUGH DIRECT ORGANOGENESIS · 2007

    Same direction

  4. positive
    Date palm shoots rooted on medium with 0.2 mgl-1 NAA.

    Thidiazuron-induced in vitro bud organogenesis of the date palm (Phoenix dactylifera L.) CV. Hillawi · 2014

    Same direction

  5. positive
    Naphthalene acetic acid induced primary orthogravitropic roots during embryo germination.

    Influence of Growth Regulators on Callogenesis and Somatic Embryo Development in Date Palm (Phoenix dactyliferaL.) Sahelian Cultivars · 2012

    Same direction

  6. positive
    Increasing NAA to 2 mg L -1 with 2iP or BA enabled plant growth and rooting.

    Vegetative multiplication of date palms from in vitro cultured inflorescences: effect of some growth regulator combinations and organogenetic potential of various cultivars · 1998

    Same direction

  7. positive
    A medium with 0.5 mg/l NAA and IBA plus 1.0 mg/l IAA appeared more suitable for the rooting stage of Medjool shootlets.

    Thidiazuron-induced direct organogenesis from immature inflorescence of three date palm cultivars · 2021

    Same direction

  8. positive
    The medium with 2 mg/L BAP and 3 mg/L silver nitrate plus 0.1 mg/L NAA gave the highest embryogenic callus fresh weight (1.38 g) in Medjool date palm root explants.

    Effect of AgNO3 and BAP on Root as a Novel Explant in Date Palm (Phoenix dactylifera cv. Medjool) Somatic Embryogenesis · 2016

    Same direction

30 papers more in this group

See all 39 papers →

in vitro · growth · Phoenix dactylifera (date palm)Positive and negative results

51 papers: 50 positive, 1 negative or no effect

49 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    The specified rooting medium rooted 80% of shoots.

    An efficient protocol for indirect somatic embryogenesis and shoot organogenesis from leaf segments of date palm (Phoenix dactylifera L.) CV. Quntar · 2015

    Same directionCites this paper

  2. negative
    No somatic embryogenesis growth occurred without a carbon source in MS medium.

    In vitro somatic embryogenesis response of date palm cv. Sukkary to sucrose and activated charcoal concentrations · 2017

    Opposite direction

  3. positive
    Transfer to hormone-free medium enhanced embryo development.

    A Histological Study of Development of Adventive Embryos in Organ Cultures of Phoenix dactylifera L. · 1980

    Same direction

  4. positive
    Isolated roots continued growth and produced new laterals on GA3 medium with reduced auxin, cytokinin and minerals or sucrose.

    Effects of Organic Nutrients and Hormones on Growth and Development of Tissue Explants from Coconut (Cocos nucifera) and Date (Phoenix dactylifera) Palms Cultured in vitro · 1978

    Same direction

  5. positive
    Medium with 1.0 mg/L NAA produced optimum rooting of 90%.

    MICROPROPAGATION OF DATE PALM (PHOENIX DACTYLIFERA L.) VAR. MAKTOOM THROUGH DIRECT ORGANOGENESIS · 2007

    Same direction

  6. positive
    Date palm shoots rooted on medium with 0.2 mgl-1 NAA.

    Thidiazuron-induced in vitro bud organogenesis of the date palm (Phoenix dactylifera L.) CV. Hillawi · 2014

    Same direction

  7. positive
    ABA and 2iP in maturation medium promoted embryo emergence.

    High-frequency direct somatic embryogenesis and plantlet regeneration from date palm immature inflorescences using picloram · 2021

    Same direction

  8. positive
    Copper sulphate and cobalt chloride enhanced shoot regeneration frequency from callus

    EFFECT OF COPPER SULPHATE AND COBALT CHLORIDE ON GROWTH OF THE IN VITRO CULTURE TISSUES FOR DATE PALM (PHOENIX DACTYLIFERA L.) CV. ASHGAR · 2014

    Same direction

42 papers more in this group

See all 51 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.