Claim · model-written summary
Weak light decreased root/shoot ratio, root biomass and root vitality.
- Taxon
- tobacco seedlings
Nicotiana tabacumt0 - Treatment
- light intensityt0
- Outcome
- root/shoot ratio, root biomass, and root vitalitye0
- Direction
- decreasede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The root/shoot ratio, root biomass, and root vitality also decreased.”
t0“light intensity on morphological and physiological characteristics of tobacco seedlings”
Title
Xing-yo Yang; Xie-feng Ye; Guo-shun Liu; et al. PubMed 2007
Other claims from this paper (12)
- Intervention effect Seedling height increased as relative light intensity decreased.
- Intervention effect Stem circumference decreased as relative light intensity decreased.
- Intervention effect Dry weight/fresh weight ratio decreased as relative light intensity decreased.
- Intervention effect Leaf thickness decreased as relative light intensity decreased.
- Intervention effect Specific leaf weight decreased as relative light intensity decreased.
- Intervention effect Matter accumulation decreased as relative light intensity decreased.
- Intervention effect Light intensity had less effect on seedling leaf number.
- Intervention effect Weak light increased free water, chlorophyll and total nitrogen contents in leaves.
- Intervention effect Weak light increased protein content in leaves.
- Intervention effect Weak light decreased bound water content and chlorophyll a/b ratio.
- Intervention effect Weak light decreased invertase activity.
- Recommendation The authors recommend improving seedbed light conditions for tobacco production.