Northwest
Plains
Pest Management News
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| Volume 1 Issue 14 |
Bailey
and Parmer Counties
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September
13 , 2002
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Northwest
Plains
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Wheat Wheat
is progressing very well. Some fields that were planted in soft soil and
received a hard rain are having trouble coming through the crust. A few
early planted fields have been treated for armyworms and army cutworms.
Cutworms are the immature stages of drab, brownish moths that are active
at night; several species can damage small grains. Grassy, weedy fields
are attractive to moths for egg laying; however, army cutworm will lay
eggs even in bare soil.
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Daily Water Requirements
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1
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Cotton Harvest Aids Cotton that cutout August 2 will reach 850 heat units past cutout October 4 as opposed to October 14 for cotton that cutout August 5. Ideally this is the time to apply harvest aids, but this could be moved to 750 heat units past cutout if weather or other situations that necessitate earlier harvest are of concern. This earlier harvest aid application should not affect yield but may reduce fiber quality. Below are some harvest aid tables developed by Randy Boman. IPM? IPM or Integrated Pest Management is a strategy of managing pests that is designed to meet an individual's production goals in the most economically and environmentally sound manner possible using a combination of control tactics. |
Monti Vandiver |
| Educational programs
conducted by Texas Cooperative Extension serve people of all ages regardless
of socioeconomic level, race, color, sex, religion, handicap or national
origin. The information given herein is for educational purposes only.
References to commercial products or trade names is made with the understanding
that no discrimination is intended and no endorsement by Texas Cooperative
Extension is implied.
The Texas A&M University System, U.S. Department of Agriculture,
and the Commissioners Courts of Texas Cooperating
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2002 HIGH PLAINS COTTON HARVEST-AID DECISION TABLE NOT ALL TREATMENTS
ARE EQUALLY EFFECTIVE
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3
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2002 HIGH PLAINS
COTTON HARVEST-AID DECISION TABLE NOT ALL TREATMENTS
ARE EQUALLY EFFECTIVE
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4
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2002 HIGH PLAINS COTTON HARVEST-AID DECISION TABLE NOT ALL TREATMENTS ARE EQUALLY EFFECTIVE RATES LISTED ARE UNITS OF PRODUCT PER ACRE
* - FB = Followed by 1 - Use on cotton with natural leaf shed. High rates can cause green, healthy leaves to stick. Always use a non-ionic surfactant when applying paraquat-based materials (Cyclone Max and Boa).2 - No more than 32 oz total of Cyclone Max may be applied (in up to 3 multiple applications) in one season based on the Texas Special Local Need 24(C) label. No more than 38.4 oz total of Boa may be applied (in up to 3 multiple applications) in one season based on the amended federal label. The need for and rate of Cyclone Max or Boa in a second application will depend upon green leaves remaining. Use higher rates if regrowth is excessive. 3 - Tankmix partners with Cyclone Max include Accelerate, sodium chlorate, Folex/Def, and Leafall. 4 - Tankmix partners for Boa include Accelerate, Folex/Def, Harvade, SuperBoll, and CottonQuik. 5 - Ethephon-based material (such as Finish 6, CottonQuik, Prep, SuperBoll, Boll'd, Ethephon 6) activity is determined by rate and temperature. At lower temperatures, boll opening response can be enhanced by increasing rate. 6 - Always use crop oil concentrate with this combination and follow with paraquat-based desiccant 7-10 days later. |
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5
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Newly
hatched cutworms are brown to black and feed on small grain seedlings.
Older larvae have a shiny or "greasy" appearance. They clip
the above ground portion of the plant from the root system. Infested fields
have the appearance of being closely grazed, and damage may be "clumped"
(occur in spots in the field). Army cutworm is a true cutworm but feeds
much like an armyworm. During late summer and early fall, female moths
will lay 1,000 to 2,000 eggs each as they migrate through an area. Eggs
hatch in a few days and larvae feed periodically through the fall and
winter as temperature allows.
