Check your late Grain Sorghum

Check your late Grain Sorghum

If you have any double crop grain sorghum or late planted sorghum, you should check the grain head for the sorghum head worm, aka, the corn ear worm. The full season milo seemed to get by without much population of these head worms, but the double cropped milo may not be so lucky as I am starting to see quite a few.  Take a bucket or clear a spot on the ground and vigourously shake the head over the bucket or spot and then start counting.  The presence of one worm per head decreases yield about 5% , two per head by about 10%.  With milo going for about 4.50/bushel and yielding in the 50 to 75 bushel range, the cost of insecticide with application would run approx. 10.00/acre, you can do the math............. it would pay to take them out.

    picture of sorghum headworm (aka corn ear worm) in milo

 

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