Xanthophylls which are from the carotenoid group of pigments
true - probably xanthophyll, carotenoid
They probably can't turn yellow, but some of them are naturally yellow..........
probably contains silver
Magnesium deficiency create dead leaves and yellow leaves on a plant.
Trees with yellow leaves make energy.
yes it is. coniferous means cone bearing, so that leaves deciduous for the leaves
Generally yellow leaves mean over watering.
It depends on what caused the yellow leaves. Both dryness and overwatering can cause yellow leaves so if the plant is dry water it ,if it is sodden let it dry.
The two types are the green and yellow leaves
52% of leaves turn yellow yes this may be true but you need to state your reference!!
Chinese Hibiscus leaves should be a rich dark green. If the leaves are turning yellow, the plant my be dying. The plant could be saved by hydrating the plant, and giving the plant fertilizer.
Green leaves, white petals with yellow centers