The white dry patches are probably lichens and they don't need to be controlled. Lichens on the trunks and branches of trees and shrubs are a common sight and normal. They are a cooperation between a fungus and algae and do no harm to the plants they grow on as they are epiphytes (air plants) and take nutrients from fallen debris and water runoff.
The whitefly could be the cause of the white, sticky stuff on the kumquat leaves. The white substance is called flocculent.
Green leaves, white petals with yellow centers
White. The parasitic plant has yellowish flowers, small yellowish green leaves, and waxy white berries.The plant itself is green, the berries are white.mistletoe is green with yellowish leaves and has white berriesThe berries on mistletoe are white.
A turnip is a vegetable. It grows leaves out the top which are long and narrow and grows a rounded diamond shaped purplish and white bulb under the dirt.
White teas has caffeine. The word white is used because the tender leaves at the tip of the tea plant are picked vs the older leaves.
The easiest way is to look at the leaves. Both red and white have oblong, 2 lobe, and 3 lobed leaves. White will have a lot of 2 and 3 lobe leaves and the red will have almost exclusivly the regular oblong leaves (except when they're young).
If leaves get no light, they will turn from Yellow to white and die.
Pumpkin leaves could have been eaten by some kind of bug, possibly and most likely an aphid. This is probably why the leaves turned white.
Well there are Micro-organisms such as, Amoeba Chlamydomonas Paramecium Bacteria
i think that leaves present the colors green yellow brown red and orange also some leaves are white
mold
the color a mineral leaves on a white tile