.-\ 



MM 



443 



866. Taft, H. M. 1976. Problems in developing an insecticide for cotton insect 

 control. Proc. 1976 Beltwide Cotton Prod. Res. Conf., pp. 131-132. 



Problems in developing new insecticides from the field to industry and govern- 

 ment are: experimental with plot identification and record keeping, changes 

 in formulations, low priority assessment by the public and administrators, 

 insufficient funding, and complying with EPA regulations. Some future pro- 

 blems and possible solutions are listed. 



867. . 1978. Cotton: early tests with Dimilin on the boll weevil. Thompson- 

 Hayward Chemical Co., Kansas City, MO. Special Issue-Breakthrough in 

 Pest Control, P A-10-11. 



The early history of the application of Dimilin to weevil control is traced from 

 the discovery that it would prevent hatch of eggs from females exposed to it by 

 contact, it's use in an invert sugar bait in a field test, and finally it's 

 application in a non-phytotoxic crop oil. 



868. , and Hopkins, A. R. 1966. A low-volume mist sprayer for applying 

 insecticide concentrates from ground equipment. U.S. Agric. Res. Serv. 

 [Rep.] ARS-33-109, 12 pp. 



Ground equipment was needed that would disperse low-volume materials to protect 

 cotton plants from insect pests. Using a Potts model no. P-48 mist blower 

 mounted on a self-propelled sprayer chassis, equipped with Mini-Spin® nozzles 

 and a sprayer pressure unit, produced a fine, atomized spray that effectively 

 covered 10 rows. The greater number of droplets were deposited on the foliage 

 on the leeward side of the swath. Field cage tests indicated that several for- 

 mulations produced boll weevil mortality >^98% after 48 h and several formula- 

 tions produced bollworm mortality >^78% after 96 h. 



