If not mixing with a starter, it would be cheaper and just as effective to use the 2 lb formulations of bifenthrin. If using a starter fertilizer and not using Capture LFR, be sure to check the compatibility of your mix before filling up the tank.

What are the alternatives in corn?

First let me mention that several other pyrethroid insecticides, other than bifenthrin, are labeled for in-furrow use in corn. However, bifenthrin is somewhat unique among the pyrethroids in having a relatively long soil residual. 

I would stick with bifenthrin for in-furrow sprays.  

Another alternative is increasing the rate of insecticide seed treatments to Poncho 500, Poncho 1250, or Cruiser 500. This would shore up some weaknesses of 250 use rates, but it would not be adequate for cutworms.

And higher rates of seed treatments are not a miracle cure for sugarcane beetles. Another option is to use granular in-furrow insecticides. 

What about in soybeans?

Using an in-furrow spray in narrow-row beans isn’t a viable option, which eliminates the vast majority of soybean acres in Tennessee. 

Despite the marketing push, I am aware of very little independent data showing value to an in-furrow bifenthrin application in soybeans.  This doesn’t mean there isn’t any.

 However, soil insect pests and cutworms are a less consistent problem in soybeans than in corn, partly because beans can tolerate and compensate for stand loss better than corn. 

Seed treatments such as Cruiser, Gaucho and NipsIt provide good control of most soil insects and systemic benefits against above ground pests.  

My gut instinct is that an in-furrow insecticide spray in soybeans would have little value except in unusual circumstances, and insecticide seed treatments are a better and easier investment.

Note:Capture LFR is the only bifenthrin product labeled for use in soybeans. We will be collecting data for corn and soybeans this year, but it will take some time to draw hard conclusions on what value in-furrow sprays might bring to the table.


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