Daminozide — also known as Alar, Kylar, B-NINE, DMASA, SADH, or B 995 — is a plant growth regulator, a chemical sprayed on fruit to regulate their growth, make their harvest easier, and keep apples from falling off the trees before they are ripe. This makes sure they are red and firm for storage. Alar was first approved for use in the U.S. in ... Found on http://en.wikipedia.org/wiki/Daminozide