Potential Chemosterilants for Boll Weevils1

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Abstract
Methanesulfonates, nitrogen mustards, aziridines, phosphoramides, s-triazines, and miscellaneous chemicals were evaluated for chemosterilant activity by feeding them to male boll weevils, Anthonomus grandis Boheman. Sterility without mortality was induced by busulfan (ENT 25012) (1,4-butanediol, dimethanesulfonate); ENT 51904 (1,3-propanediol, dimethanesulfonate), chlorambucil (ENT 26083) (4{p-[bis(2-chloroethyl)amino]phenyl}-butyric acid); ENT 51007 (N, N, N', N'-tetramethyl-p-piperidino-phosphonic diamide); and several aziridines, the most promising being the cyclic diester of pentaerythritol and 1-aziridinylphosphonic acid.