Category Archives: Corn

Post Harvest Glyphosate-Resistant Palmer Control

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GR Palmer in Newly Cut Corn

With corn harvest under way, now is the time to think about postharvest weed control. Just this past year some of our worst glyphosate-resistant Palmer infested soybean and cotton fields were in corn the previous year.  In most cases the Palmer amaranth that produced the seed emerged late as the corn was drying down.  Often the worst Palmer patches come up in July in partially drowned out areas in a given corn field.  Palmer that emerges in July in these areas is often 3 to 4’ tall by harvest time and will easily produce thousands of Palmer seed that will be a problem next year. Continue reading

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Crop Watch

As reported by NASS on August 15, 2011

Variable Crop Conditions Within Counties.  Last week brought only scattered showers in most counties leaving a scenario, at week’s end, where all regions could use a general rainfall. Despite this generally dry pattern, crops overall remain rated in good-to-excellent condition. Most counties have crops in all condition categories from very poor to excellent. Continue reading

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Moth Trapping Data (Week Ending August 11th)

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Week Ending August 11 – Although this is the last week we will run moth traps this year, bollworm (a.k.a corn earworm) moth catches continued to increase this past week, and this matches the increased action observed in soybean and cotton. Complete moth trapping results for bollworm (corn earworm), tobacco budworm, beet armyworm and southwestern corn borer are linked below. Continue reading

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Crop Watch

This week brought extreme heat and hit or miss showers to most Tennessee counties. Rain was generally welcome where received, but more will be needed to keep crops in good-to-excellent condition. Pastures are stressed, but generally are in good shape for this time of year. Besides the harvest activities, growers were active spraying pesticides, scouting, and irrigating. Continue reading

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Crop Watch

As reported by NASS on August 1, 2011

CROPS REMAIN IN MOSTLY GOOD-TO-EXCELLENT CONDITION

The corn, cotton, soybean, and tobacco crops in Tennessee remain in mostly good-to-excellent condition in spite of the excessive heat and spotty rainfall. Some early planted corn acres are maturing rapidly, but overall the crop is progressing at a near normal rate. Soybeans are setting pods at a pace about a week behind the five-year average and are in need of moisture. Cotton is setting bolls at a pace also one week behind the five-year average. Continue reading

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Crop Watch

As reported by NASS on July 25, 2011

SHOWERS PROVIDE SOME RELIEF; MORE RAIN IS NEEDED IN MOST AREAS

A high pressure system positioned over Tennessee prevented widespread rainfall this week; however, crops received some relief from afternoon and evening rainfall. Crops remain in mostly good condition, especially for late July. Crops were beginning to show stress at week’s end from the extreme temperatures and inadequate moisture. Soybeans are blooming and setting pods at a pace about a week to ten days behind the five-year average. Cotton is setting bolls at a pace almost a week behind the five-year average. Continue reading

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Fungicides on Late Corn

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Corn fungicides have been going on a good number of acres in areas that have aerial application options.  We have more May planted corn this season that is tasseling now and pretty good soil moisture.  We typically have more disease pressure in May planted corn although reports of Gray Leaf Spot and other diseases have been sporadic in rotated ground.  A better return on your money is most likely where some disease is evident, yield potential is decent and the hybrid has shown more of a response to a fungicide based on field testing.  Continue reading

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Should You be Spraying Corn for Southwestern Corn Borers or Corn Earworm?

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Based on our moth catches, this appears to be a good time for CONSIDERING an insecticide application to non-Bt corn for southwestern corn borer (SWCB).  The reality is I cannot even hazard a guess on the question above unless I know a few things. Continue reading

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