Bordeaux Mixture: a mixture invented in Bordeaux, France, to destroy disease-producing fungi.
Bud (noun): an undeveloped branch.
Bud (verb): to insert a bud from the scion upon the stock to insure better fruit.
Bud variation: occasionally one bud on a plant will produce a branch differing in some ways from the rest of the branches; this is bud variation. The shoot that is produced by bud variation is called a sport.
Calyx: the outermost row of leaves in a flower.
Cambium: the growing layer lying between the wood and the bark.
Canon: the shank bone above the fetlock in the fore and hind legs of a horse.
Carbohydrates: carbohydrates are foods free from nitrogen. They make up the largest part of all vegetables. Examples are sugar, starch, and cellulose.
Carbolic acid: a chemical often used to kill or prevent the growth of germs, bacteria, fungi, etc.
Carbon: a chemical element. Charcoal is nearly pure carbon.