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| Had a chance to process some more yield data into more detail, and found that my AM corn (above ground only) yielded 10 more bushels average then AMX corn (above/below) planted in side by sides. I knew there was yield drag but not that much, I thought I was doing myself a favour on all my corn on corn acreage's, I guess looking at online trials they find similar results. Only thing is occasionally we can have out of control root worm that can cost a 100 bushel an acre damage some years if we accidentally planted an AM corn on those acreages.
So I am now kicking around the idea of just going with as many AM hy-breds as possible and adding force or aztec insecticide to the planter to get root worm control.
The becks summary seems to summarize it best, but its not on corn on corn ground and does not provide root scores to determine if there was any root worm feeding and is more south into the corn belt where we are not.
"BECK 6175RR™* Without Force® 3G 20.4 199.3 ----
BECK 6175AM™* Without Force® 3G 21.2 189.7 -9.6
BECK 6175AMX-R™* Without Force® 3G 20.2 174.1 -25.2
AVERAGE 20.6 187.7 -17.4
BECK 6175RR™* With Force® 3G 21.6 206.0 ---- +6.7 +$15.28
BECK 6175AM™* With Force® 3G 22.4 201.7 -4.3 +12.0 +$43.90
BECK 6175AMX-R™* With Force® 3G 20.7 182.9 -23.1 +8.8 +$26.62
AVERAGE 21.6 196.9 -13.7 +9.2 +$28.60
So my question is can an in furrow insecticide like force 3G, control root worms well enough in continuous corn to take care of those root worm years without much yield drag?
Edited by agricon 7/26/2014 19:00
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Thoughts on dropping root worm traits for increased yield.
