A comparison of several pocket gopher baits in the field

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" A comparison of several pocket gopher baits in the field "
Vossen, Paul; Gadd, Pierre

Document Type	:	AL
Record Number	:	942898
Doc. No	:	LA45n5811j
Language of Document	:	English
Main Entry	:	Vossen, Paul; Gadd, Pierre
Title & Author	:	A comparison of several pocket gopher baits in the field [Article]\ Vossen, Paul; Gadd, Pierre
Title of Periodical	:	Proceedings of the Vertebrate Pest Conference
Volume/ Issue Number	:	14
Date	:	1990
Abstract	:	Two field trials were conducted to determine the effectiveness of anticoagulant baits in pocket gopher (Thomomys bottae) control. In the first trial, burrow systems were baited once with chlorophacinone 0.005% on rolled oats and embedded in paraffin to form a wax block. The systems were arranged in a one systemwide line bordering a clean vineyard. Infestation of the vineyard was prevented for 2 months; after that, gophers did bypass the barrier of treated systems and entered the vineyard. In the second trial two anticoagulant baits, chlorophacinone 0.005% on rolled oats and embedded in paraffin, and diphacinone 0.0052% on various grains and embedded in paraffin, were compared to strychnine-treated 0.29% whole wheat grain bait. Fifteen individual gopher systems were baited in each of three replications and monitored for 8 1/2 months. Both of the anticoagulant paraffin block-type baits achieved significantly greater long-term gopher control than the strychnine-treated loose grain bait.