Claim · model-written summary
Laser exposure increased fresh weight and biochemical growth indicators of sunflower calli, especially after 60 days.
- Taxon
- Helianthus annuus L.
Helianthus annuust0 - Organ / stage
- root, stem and leaf explantse0
- Treatment
- laser radiatione0
- Outcome
- fresh weight of calli, dihydrofolate reductase activity and the amount of protein, DNA, RNA. folatee0
- Direction
- increasee0
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Helianthus annuus L.”
e0“Exposing of sunflower root, stem and leaf explants to laser radiation leads to clear increase in rate of growth indicators of calli (fresh weight of calli, dihydrofolate reductase activity and the amount of protein, DNA, RNA. folate) especially after 6o days of exposure”
Title
Sara N. Ghanem; Sajida A. Abood Mağallaẗ ʻulūm al-rāfidayn 2019. doi:10.33899/rjs.2019.159402
Other claims from this paper (9)
- Intervention effect Twenty minutes of exposure maximized dihydrofolate enzyme activity in leaf calli at 53.411µgm/min./mg protein.
- Intervention effect After 60 days of leaf callus growth, protein increased to 4.3 mg/gm with 20 minutes of exposure.
- Intervention effect After 60 days of leaf callus growth, DNA increased to 23.311 with 20 minutes of exposure.
- Intervention effect After 60 days of leaf callus growth, RNA increased to 221,888 with 20 minutes of exposure.
- Intervention effect After 60 days of leaf callus growth, folate increased to 1.2µgm fresh weight with 20 minutes of exposure.
- Observation Stem calli formed white roots with dense root hairs 35 days after 10 minutes of exposure.
- Observation Leaf calli formed vegetative branches after 50 days of exposure to 20 minutes.
- Observation All shoots rooted easily in hormone free medium.
- Observation Regenerated plants formed sunflower disks 50 days after rooting.