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Drip
Irrigation Demonstration Many of you may be interested in the drip irrigation demonstration being conducted on the Charles Loop farm near Brownsville. A field day will be held at the farm on April 30. See the attached flyer for details about the event and a map to the location. Cotton Slightly Behind Schedule
Cotton Aphids More Numerous Cotton aphids were increasing in some fields. A few spots in scattered fields were observed to be severely infested with aphids. Many beneficial insects were also observed in some of the more heavily infested fields. Parasitized aphids (mummies), lady beetle larvae and scymnus lady beetle larvae were all observed in several fields this week. Boll Weevils Still Being Trapped Boll weevil activity increased in many traps this week. (See attached trap records) More cotton was not squaring this week than squaring. Thus, weevils still were moving around the area and responding well to pheromone traps. Much of the LRGV’s cotton crop is about two weeks or so behind schedule and so newly baited traps will remain attractive to weevils. But, as more cotton squares, the less weevils will respond to the traps. Bollworms and Fleahoppers Light Neither Bollworms nor cotton fleahoppers were reported to our offices this week. Both insects pose potential problems for cotton this year and need to be carefully monitored.
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Plant age in cotton fields ranged from just emerged to 3
squares or more per plant. The oldest cotton was fruiting
rapidly, but the majority of the LRGV crop is in the 3 to
5 leaf stage. The crop is about two weeks behind normal.
But, with warmer temperatures on the agenda, the crop likely
will make solid progress from this period forward. Educational
programs conducted by the Texas Agricultural Extension Service serve people
of all ages regardless of socioeconomic level, race, color, sex, religion,
disability or national origin.
The Texas A&M
University System, U.S. Department of Agriculture, and the County Commissioners
Courts of Texas Cooperating.
