AGRICULTURAL CHEMICALS – BOOK 1
Insecticides, Acaricides and Ovicides
BY W. T. THOMSON
COUMAPHOS, ASUNTOL, BAYMIX, CO-RAL, DIOLICE, MELDANE, RESITOX, UMBETHION, NEGASHUNT, PERIZIN
TYPE: Coumaphos is a systemic, organic phosphate livestock insecticide.
ORIGIN: BayerAG in Germany, 1958. Licensed to be sold in the U.S. by Mobay Animal Health Div.
TOXICITY: LD50-13 mg/kg. May cause eye and skin irritation.
FORMULATIONS: 25% WP, 1 and 5% dusts, 4% pour-on, 3% spray foam. 4.2 EC, 1 1.6% EC.
PHYTOTOXICITY: Generally not applied to plants.
USES: Used on beef cattle, dairy cattle, sheep, dogs, goats, swine and horses.
IMPORTANT PESTS CONTROLLED: Grubs, flies, lice, ticks, keds, poultry mites, screwworms, mosquitoes, and others.
1. Backline treatment-Apply .5 oz/100 lb body weight for grub control.
2. Spray-Apply after heel fly season has passed at 250 psi or more pressure. Apply approximately 1 gal of the diluted spray per animal. Wet the skin, not just the hair.
3. Dip-Agitate the tank thoroughly prior to use. Repeat as necessary. Maintain adequate concentration in the vats.
4. Spot treatment-Use in infected wounds for screwworm control. May also be applied as a dust.
5. Backrubbers-Place backrubbers where animals travel daily. Refill as needed.
6. Cattle grubs-Treat at least 6 weeks before the expected appearance of the grubs in the back.
PRECAUTIONS: Do not spray animals in a confined, unventilated area. Do not apply to sick or stressed animals or animals less than 3 months old. Do not dip overheated animals. Do not treat within 10 days of shipping, weaning, vaccination, etc. Do not use before or after the application of natural or synthetic pyrethrins or compounds used to synergize them. Cattle on a fattening ration may be more subject to organic phosphate poisoning than animals on pasture or maintenance feed. Do not mix with other insecticides nor use in conjunction with oral drenches or other internal medicines. Toxic to birds and fish.
ADDITIONAL INFORMATION: 10-20 day protection from screwworms can be obtained. Used to control fly larvae in poultry manure. Systemically controls cattle grubs in cattle. Used to control insects on humans.
FLUVALINATE, KLARTAN, MAVRTK, SPUR, YARDEX, APISTAN
TYPE: Fluvalinate is a synthetic-pyrethroid compound used as a selective contact and stomach-poison insecticide.
ORIGIN: Zoecon Crop., 1980. Now being marketed by Sandoz Crop Protection.
TOXICITY: LD50-261 mg/kg. May cause eye and skin irritation.
FORMULATION: 2 lb/gal flowable.
PHYTOTOXICITY: Non-phytotoxic when used as directed.
USES: Ornamentals, cotton, turf, and nonbearing tree, tobacco, and vine crops, and non-crop areas. Used on a number of crops outside the U.S. and on crops grown for seed.
IMPORTANT PESTS CONTROLLED: Budworms, bollworms, boll weevils, thrips, mites, whiteflies, ants, fleas, ticks, earwigs, sowbugs, crickets, cotton leaf perforator, lygus, loopers, earworms, armyworms, aphids, and others.
RATES: Applied at .025-. 1 lb actual/A.
APPLICATION: Apply when insects appear, and repeat if necessary, usually on a 5-10 day basis. May be used inside greenhouses.
PRECAUTIONS: Do not use in fogging type applicators. Toxic to fish. Buffer the spray solution to a pH of 5-7.
ADDITIONAL INFORMATION: Suppresses spider mite populations. Maintains its activity under high-temperature conditions. May be tank mixed with other products.