UNITED STATES 

 DEPARTMENT OF AGRICULTURE 



Miscellaneous Publication No. 526 



Washington, D. C. 



Issued November 1943 



INSECTICIDES AND EQUIPMENT FOR 

 CONTROLLING INSECTS ON FRUITS 

 AND VEGETABLES 



By N. F. Howard and C. A. Weigel. senior entomologists. Division of Truck Crop 

 and Garden Insect Investigations, C. M. Smith, senior chemist, Division of 



Insecticide Investigations, and L. F. Steiner, entomologist. Division of Fruit 

 Insect Investigations, Bureau of Entomology and Plant Quarantine. Agricultural 

 Research Administration. 



CONTEXTS 



Page 



Introduction 2 



Precautions in using insecticides 2 



Spray residues on plants 3 



Injury to the plants by insecticides 4 



Arsenic trioxide 5 



Barbasco 5 



Barium carbonate. 5 



Barium fluosilicate 5 



Bentonite... __ 6 



Beta naphthol 6 



Bordeaux mixture 6 



Calcium arsenate 8 



Calcium cyanide 8 



Carbon disulfide 9 



Chloropicrin 10 



Cryolite 11 



Cube 11 



Derris 11 



Diluents or carriers.? 11 



Dinitro compounds 12 



Essential oils 12 



Ethylene dichloride 13 



Fish oil 13 



Hellebore 13 



Hot-water treatment 11 



Hydrated lime 14 



Kerosene emulsion 15 



Lead arsenate (acid) 18 



Lead arsenate (basic) 17 



Liquid lime-sulfur and dry lime-sulfur 17 



Magnesium arsenate IS 



Mercuric chloride IS 



Mereurous chloride 19 



Metaldehyde (slug bait).. 19 



Methyl bromide 20 



Mineral oil. 20 



Naphthalene 23 



Nicotine... 



Page 



Nicotine bentonite 24 



Nicotine decoctions (home-made) 24 



Nicotine dusts 24 



Nicotine for fumigation 25 



Oil dusts 26 



Paradichlorobenzene 



Paris green .. 27 



Phenothiazine 27 



Phosphorus paste 28 



Poisoned baits 



1'yivthrum, or insect pow 29 



Rotenone-containing roots. 30 



Restrictions on the use of rotenone in the 



control of insects 32 



Soap sprays _ 33 



Sodium arsenite 33 



Sodium cyanide 33 



Sodium fluoride 34 



Sodium fluosilicate 35 



Sulfur... 35 



Tar d ist illat e 35 



Tart ar emet ic 36 



Thiocyanates (organic).,. 36 



Timbo... 37 



Tobacco dust.. 37 



ie oils. 37 



reading agents 37 



Zinc arsenite 3S 



Preparation of sprays and dusts 3S 



Quantity of sprays or dusts to apply ... 39 



Spraying and dusting equipment 4'J 



Care of insect -control de\ . 3 50 



When and how to apply fa 



First-aid suggestions La cases of insecticidal 



poisoning Q 



Procurement of insecticides and subsidiary 



materials BB 



