Developing resistance to Bt genes in cotton bollworm

by John L. Few IV, IPM Agent in Southern Blacklands and Dr. David Kerns, Extension Entomologist in College Station Cotton and corn are major cash crops in Texas with a market value of over 3 million dollars combined in 2016. With this much money at stake, producers are looking for methods to ensure their crops will be successful. Cotton bollworm (Helicoverpa zea) is a major pest in cotton and cause sever yield losses. In corn, corn earworm (same insect as cotton bollworm) can occasionally cause significant direct yield… Read More →

“Nitrogen and Texas Wheat Grain Production—Topdress N Timing is Critical”

by Dr. Calvin Trostle, Extension Agronomy, TAMU Dept. of Soil & Crop Sciences, Lubbock, 806-746-6101, ctrostle@ag.tamu.edu; Dr. Jake Mowrer, Extension Soil Fertility, TAMU Dept. of Soil & Crop Sciences, College Station, 979-845.5366, jake.mowrer@tamu.edu Twelve Common Grower Questions about N for Wheat Grain Soil & Crop Sciences extension has finalized a new publication for Texas wheat. Nitrogen topdress timing involves recognizing the key jointing growth stage in wheat, and understanding when conditions may merit earlier application of topdress N.  Much of the discussion in the new document is presented… Read More →

Industrial Hemp Farming & Common Questions—First, Texas Legislative Approval is Required

by Dr. Calvin Trostle, Extension Agronomy, TAMU Dept. of Soil & Crop Sciences, Lubbock, 806-746-6101, ctrostle@ag.tamu.edu (Disclaimer:  The Texas A&M University System and System agencies, including Texas A&M AgriLife Extension Service and its employees, do not advocate for or against the passage of legislation in Texas which would legalize industrial hemp production.  Furthermore, Texas A&M AgriLife does not endorse possible future legal industrial hemp production as a viable agricultural production system in Texas relative to any other crop.) Industrial Hemp—Texas Legislative Action is Required for Future Production Despite… Read More →

Recent Cold Temperatures Could Impact Wheat in Central Texas

by  Dr. Clark Neely, Small Grains Extension Specialist, College Station | 979-862-1412 | cbneely@tamu.edu Dr. Reagan Noland, Regional Extension Agronomist. San Angelo | 325-657-7330 | Reagan.Noland@ag.tamu.edu Recent cold temperatures experienced across the state are causing some alarm for wheat producers. On the morning of Tuesday March 5, low temperatures ranged from near 10oF in the northern Panhandle to mid-teens in the Rolling Plains, low 20’s for much of the Blacklands and mid to upper 20’s for areas of South and Southeast Texas (Figure 1).  Most of the wheat… Read More →

2019 Texas Auxin Herbicide Training Update

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by Dr. Scott Nolte, Dr. Pete Dotray, & Dr. Gaylon Morgan In late October 2018, the United States Environmental Protection Agency (EPA) announced they will extend the registration of dicamba for two years (until December 20, 2020) for over-the-top (OTT) weed control in dicamba-tolerant cotton and soybean.  The extended labels include changes to ensure these products continue to be used effectively and to address concerns about off-target movement.  Initial label changes state that only certified applicators may apply dicamba OTT, prohibit OTT applications after 60 days after planting for… Read More →

Yellow Foliar Symptoms in Fall 2018 Wheat (West Texas)

by Dr. Calvin Trostle, Extension Agronomy, TAMU Soil & Crop Sciences, Lubbock, (806) 723-8432, ctrostle@ag.tamu.edu ; Dr. Reagan Noland, Extension Agronomy, TAMU Soil & Crop Sciences, San Angelo, (325) 657-7330, reagan.noland@ag.tamu.edu For wheat producers in the Texas High Plains and lower Rolling Plains/Concho Valley Fall 2018 has brought field symptoms that have baffled some growers.  Much of this is likely due to exceptionally large October rains.  Essentially all fields south of Lubbock received at least 6” of rain, a few fields received twice that.  Rains north of Lubbock were… Read More →

Eight Considerations to Get More Value for Your Soil Test Dollars

by Dr. Calvin Trostle, Extension Agronomy, TAMU Soil & Crop Sciences, Lubbock, (806) 723-8432, ctrostle@ag.tamu.edu Farmers across Texas are familiar with standard soil testing procedures and many make use of soil tests to determine fertilizer applications for a wide range of crops and soil types.  You have likely been encouraged to soil test annually and “Don’t Guess—Soil Test” to better pinpoint your soil fertility program. Overall soil testing information from Texas A&M is found at http://soiltesting.tamu.edu/  Included is instructions on how to sample, what types of test you… Read More →

Herbicide Options for Killing Cotton Around Gin Yards

volunteer cotton in an equipoment storage area-2018

by G.D. Morgan and M.A. Matocha, Teeas A&M AgriLife Extension Service Boll weevils have been found in multiple locations north of the Lower Rio Grande Valley in 2018, including the Coastal Bend and Wintergarden regions.  To regain complete boll weevil control, everyone must be diligent, again, about destroying volunteer cotton in gin yards, non-commercial fields, equipment yards, and industrial sites.  The information below is focused on gin yards, but will be relevant to the non-commercial cotton areas as well. With over 80% of the cotton planted in 2018… Read More →

General Information About Glyphosate

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by Scott Nolte-Texas A&M AgriLife Extension; Peter Dotray-Texas A&M AgriLife Research & Extension; Muthu Bagavathiannan-Texas A&M AgriLife Research What is glyphosate Glyphosate is an herbicide used to control a wide range of undesirable plants in lawns and gardens, row crops, pastures, aquatics, road sides, rights-of-way, and other managed areas. First introduced for use in 1974, glyphosate is now one of the most widely used herbicides in the United States.  Today, there are over 750 products that contain this active ingredient for agronomic, commercial, and home use. How does… Read More →

Do We Treat Our Soils Like Dirt?—Perspective on Five Common Statements

by Dr. Calvin Trostle, Extension Agronomy, TAMU Soil & Crop Sciences, Lubbock, (806) 723-8432, ctrostle@ag.tamu.edu This week I was in Mitchell County, Texas to talk about cover cropping (see companion article in this month’s RCNL).  As cover cropping has become a national topic of interest in agriculture, sometimes I think the interest and enthusiasm gets carried away with some statements about soil and our farming practices that need some perspective. This could very well be purely unintentional.  But if a Texas farmer is lectured about any of the… Read More →