Claim · model-written summary
Carotenoids, chlorophyll a and total chlorophyll directly increased primary needle seedling biomass.
- Taxon
- Pinus massoniana (Lamb.) Seedlings
Pinus massonianat0 - Organ / stage
- primary needle seedling (PNS)e0
- Compound
- carotenoids, chlorophyll a, and total chlorophylle0
- Outcome
- biomasse0
- Direction
- positivee0
Not reportedMaterialGeneInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Photosynthetic pigments (carotenoids, chlorophyll a, and total chlorophyll) had direct positive effects on primary needle seedling (PNS) biomass”
t0“Pinus massoniana (Lamb.) Seedlings”
Title
Haoyun Wang; Feng Wu; Min Li; et al. Forests 2021. doi:10.3390/f12121686
Other claims from this paper (11)
- Observation Primary needles had high chlorophyll a and total chlorophyll.
- Observation Primary needles had high net photosynthetic rate, maximum photochemical efficiency, and water use efficiency.
- Observation Primary needles had higher non-photochemical quenching, interpreted as a response to sudden light increases.
- Observation Secondary needles had lower transpiration rate, stomatal limitation and light saturation point.
- Association Secondary needles increased leaf fructose and glucose compared with primary needles.
- Association Secondary needles increased leaf biomass proportion from 47.06% to 54.30%.
- Association Secondary needles enhanced the proportion of starch stored in roots.
- Observation Non-structural carbohydrate accumulation increased significantly in seedling leaves and roots.
- Mechanism Photosynthetic pigments indirectly promoted biomass through increased stem soluble sugar synthesis.
- Association Net photosynthetic rate was the main physiological factor determining primary needle seedling biomass.
- Association Water use efficiency, stomatal limitation and non-photochemical quenching directly reduced primary needle seedling biomass.