Iron County Record | 1964-03-26 | Page 2 | County Agent Warns Heptachlor is out for Weevil Control

County Agent Warns Heptachlor Is Out For Weevil Control With added emphasis on preventing pre-venting pesticide residues on forage for-age fed to dairy cows, alfalfa hay and seed growers are wondering won-dering how they can control alfalfa al-falfa weevil this summer. County Coun-ty Agent Wallace Sjoblom warns that heptachlor cannot be used. Dr. George F. Knowlton, Utah ! State University extension entomologist ento-mologist points out that heptachlor hep-tachlor can no longer be recommended recom-mended by the University for early spring alfalfa weevil control con-trol in the western states. The USDA, in a recent ruling, has removed its approval of the standard stan-dard early season treatment used by Utah growers who have been spraying 4 ounces of heptachor per acre on their alafalfa fields before the plants reach 2 Inches of growth. USDA officials from Washington Washing-ton explained that small residues of heptachlor or heptachlor epoxide epox-ide had been found on some alfalfa al-falfa samples treated according to this method. When the hay is fed to cows being milked, the residue would appear In the fat of the milk. No pesticide is allowed al-lowed to appear in the milk supply. sup-ply. I -