White fur may be woolly aphids. If the "fur" is very sticky then you need an insecticide unless you are an organic gardener. This also depends on what country you are in as many systemic insecticides are now banned for use by consumers. In the USA and England you can still get products that will take care of this problem with one or two spraying's. Check with your local garden center and take a cutting of a branch with you, a good horticulturalist will rapidly identify the problem and recommend a solution.
It could also be a mildew problem. Copper sulfate with horticultural lime spray will work if it is a fungus caused by high humidity and a wet spring climate.
pear tree - a pair of shoes fir tree - the fur of an animal
The Scientific name for a white apple tree would be an orchid's crab apple tree. I know that it says crab apple tree but it's not a crab apple, the white apple actually has seeds the shape of crab eyes so, the apple was name after a crustacean.
black and white fur
because it is an apple tree
The apple blossom grows on an apple tree. The apple tree grows when you plant an apple seed.
tree apple
an apple tree
No - an apple tree is a dicot.
No - an apple tree is a dicot.
white fur because white is cooler
The apple is the seed pod of the apple tree, so it carries the seed.
No. An apple is the result of a fertilized apple tree flower. It is the seedcase of an apple tree. The fruit.