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 Valor XLT Labeled on Soybean Minimize
Location: BlogsWisconsin Crop ManagerWeeds    
Posted by: WCM Staff 3/8/2007 10:49 AM
Valor XLT is a premix of Valor (30% flumioxazin) and Classic (10.3% chlorimuron) by Valent which is labeled for broadleaf weed control and suppression of annual grasses. The main label does not include mention of use in Wisconsin, but a supplement label is available from Valent (not on CDMS) that allows use of the lowest labeled rate of 2.5 oz/a in southern Wisconsin. Applications can only be made south of I-90 between LaCrosse and Madison and south of I-94 between Madison and Milwaukee.

Valor XLT Labeled on Soybean

Chris Boerboom, Ext. Weed Scientist

Valor XLT is a premix of Valor (30% flumioxazin) and Classic (10.3% chlorimuron) by Valent which is labeled for broadleaf weed control and suppression of annual grasses.  The main label does not include mention of use in Wisconsin, but a supplement label is available from Valent (not on CDMS) that allows use of the lowest labeled rate of 2.5 oz/a in southern Wisconsin.  Applications can only be made south of I-90 between LaCrosse and Madison and south of I-94 between Madison and Milwaukee.  The 2.5 oz/a rate is equivalent to 1.5 oz/a Valor and 1 oz/a Classic. The restriction to southern Wisconsin is to avoid potential Classic carryover to corn.  Valor XLT can be applied as a burndown treatment before planting or preemergence within 3 days after soybean planting.  Applications to cracking or emerged soybeans will cause damage.  Some of the weeds labeled for control include horseweed, lambsquarters, common ragweed, nightshade, pigweeds, velvetleaf, and suppression of foxtails, crabgrasses, giant ragweed, and waterhemp.  If used in a burndown treatment, tank mixing with glyphosate or 2,4-D is still recommended. At this rate, Valor XLT will provide early residual weed control, but a postemergence application of glyphosate should still be made in glyphosate-resistant soybean for full season weed management.
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