|
" Efficacy data for registration of strychnine grain baits to control pocket gophers (Thomomys spp.) "
Evans, James; Matschke, George H.; Campbell, Dan L.; Hegdal, Paul L.; Engeman, Richard M.
| Document Type
|
:
|
AL
|
| Record Number
|
:
|
942896
|
| Doc. No
|
:
|
LA06r2g9qq
|
| Language of Document
|
:
|
English
|
| Main Entry
|
:
|
Evans, James; Matschke, George H.; Campbell, Dan L.; Hegdal, Paul L.; Engeman, Richard M.
|
| Title & Author
|
:
|
Efficacy data for registration of strychnine grain baits to control pocket gophers (Thomomys spp.) [Article]\ Evans, James; Matschke, George H.; Campbell, Dan L.; Hegdal, Paul L.; Engeman, Richard M.
|
| Title of Periodical
|
:
|
Proceedings of the Vertebrate Pest Conference
|
| Volume/ Issue Number
|
:
|
14
|
| Date
|
:
|
1990
|
| Abstract
|
:
|
Laboratory tests, field telemetry trials, and actual use field efficacy evaluations showed that a 0.5% strychnine alkaloid steam-rolled oat-groat hand-bait formulation (EPA Reg. No. 56228-20) with molasses, salt, glycerine, and soda was effective in controlling northern pocket gophers (Thomomys talpoides). Baits retaining at least 0.5% strychnine (w/w) were as effective (>95% control) as baits with 0.75% and 1.0% strychnine in field telemetry hand-baiting trials as well as operational hand-baiting and burrow-builder baiting field tests in forest habitat. Data indicated that the 0.5% strychnine hand bait (molasses formulation) should be reregistered and would be a good substitute for the 0.5% strychnine-Rhoplex bait (EPA Reg. No. 5622812) currently registered for burrow builder use for pocket gopher control. Both the retention of strychnine on bait and use of a highly palatable top quality bait carrier were two important factors affecting efficacy of the bait.
|
| |