Information Requests Monitoring System

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Request ID: 166
Request From: Steve Toth
Date Requested: Dec 13, 2006
Request: Note the following request from Wilfred Burr, USDA/OPMP, regarding the price of metaldehyde for slugs on crops. Please submit any responses to the Southern Region IPM Center's Information Requests Monitoring System by Friday, December 22. Thanks. Steve Toth -------------------------------------------------- Pesticide Information Request Active Ingredients: Metaldehyde and Iron Phosphate Crops/targets: Several crops, slugs would be the target pests Questions: What price do growers typically pay for metaldehyde and iron phosphate? This would probably best be answered on a per acre basis if possible. John will be figuring out the application rates based on the California pesticide reporting system. Respond to: Deadline: December 22nd. Background information: EPA is doing an economic comparison of metaldehyde and iron phosphate to be used in determining mitigation measures for metaldehyde. Thank you so much for your help. Wilfred Burr

Responder: Mark Mossler
State: FL
Date Requested: Dec 13, 2006
Response: The price I have found for metaldehyde is approximately $50 per acre for slug control in vegetables (only crop for which slug pests are known in FL is watercress). Florida and other sandy soil states/territories are not very conducive to slugs as pests, and that may be the reason iron phosphate products were not located in the state.

Responder: Mark Mossler
State: PR
Date Requested: Dec 13, 2006
Response: See FL comments.

Responder: Mark Mossler
State: VI
Date Requested: Dec 13, 2006
Response: See FL comments.

Responder: Paul Guillebeau
State: GA
Date Requested: Dec 19, 2006
Not Important/Relevant to my state(s)

Responder: John Van Duyn
State: NC
Date Requested: Dec 21, 2006
Response: Since no-tillage farming has become popular I have answered many calls about slugs on seedling cotton and corn. My recommendations have been to treat with Dead Line Bullets (0.4% metaldehyde bait) and to move away from completely no-tillage to strip-tillage (that cleans a ca. 6” strip of litter) or conventional tillage. The metahaldehyde bait is too expensive for most situation and is seldom used. I don’t know what the cost is but the product is marketed on veggies/fruit and has to be applied with equipment that row crop farmers don’t have much access to. The problem is limited to no-tillage in moderate to heavy litter and seedling crops that emerge when the temps are relatively cool. Damage accumulates since under cool temperatures seedlings grow very slowly but slugs are active. It is a frustrating problem to address for the grower, specialist, agent, or consultant. John Van Duyn Department of Entomology North Carolina State University

Responder: Holly Gatton
State: VA
Date Requested: Dec 22, 2006
Response: The agents who responded to our request indicated that they had no knowledge of metaldehyde use by growers and thus did not know the price of this pesticide.

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