per acre preferably at a rate of from about 0 02 to about 0 5 lbs per acre and most preferably at a rate of from about 0 02 to about 0 2 lb acre for example the field spray rates for apples using 6 ba can be about 38 75 g 100 gallon per acre and for grapes using cppu can be about 4 8 g 250 gallon per acre a single application may be enough though depending upon the particular fruit and desired results multiple applications may be made as used herein the term u201c plant u201d includes fruit producing plants vegetable producing plants row crops vegetable crops grasses and trees the fruit may be grapes cherries lemons limes oranges grapefruit strawberries pineapples stone fruits apples pears peaches blueberries pistachio or tangerines the row crop may be cotton soybeans corn sugar cane or rice among others the vegetable crops may be lettuce artichokes celery or peppers among others the grasses may be bahaigrass paspalum notatum flugge bentgrass agrostis l bermudagrass cynodon dactylon l carpetgrass axonopus affinis chase kentucky bluegrass poe pratensis l canada blugrass poe compressa l buffalograss buchloe dactyloides nutt englem fescue grasses festuca annual rye grass lolium l multiflorum lam.