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April 9, 2010 - Stand Emergence in St. Landry

Stand Emergence with Dermacor X-100 and CruiserMaxx

Today we met with cooperators in St. Landry to look at the differences in stand emergence between the insecticide-treated (Dermacor X-100, CruiserMaxx) and non-insecticide-treated seed (fungicide only). This location is a joint effort between LSU AgCenter, Horizon Ag, DuPont and Syngenta. We are evaluating CL151 planted at a variety of seeding rates (#40, #55, #65, #70, #85, #100).

There was no noticeable difference between the Dermacor X-100- and CruiserMaxx-treated seed. These were both planted at 65 lbs per acre.

CruiserMaxx is applied at 3.3 fl oz/100 lbs seed, regardless of seeding rate. One of the objectives of this test is to confirm that CruiserMaxx provides the same level of rww control at low and high seeding rates. The seeding rates that we are evaluating include the following: 40, #55, #65, #70, #85, #100. At this point, there is no real visible difference in stand, except when comparing the high (#100) to low (#40).

We dug around in the untreated area for a little while to see if we could find colaspis larvae feeding on the roots. We did not find any today. We’ll return to take stand counts in about two weeks. These first few weeks of the test are critical for detecting colapsis damage, if it occurs.

[Image: derm left untret rht]
[Image: cruiser]
[Image: Scouting]

[Image: dermleftcruiser right]
[Image: cruiser 100lb]

Last Updated: 8/23/2011 12:47:04 PM

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