SOYBEAN & FEED GRAIN REVIEW

Transcription

1 Louisiana SOYBEAN & FEED GRAIN REVIEW Volume V, Issue VIII June 2007 Contributors Dr. David Y. Lanclos Dr. Roger Leonard Josh Temple Rob Ferguson Brad Guillory Table of Contents Soybean Growth Stages p. 1 Stink Bug ID.... p. 3 Online Stink Bug Survey..... p. 4 Dean Lee Field Day p. 5 Upcoming Events p. 6 Contacts.... p. 6 SOYBEAN UPDATE 2007 SOYBEAN GROWTH STAGES Dr. David Y. Lanclos, LSU AgCenter Specialist Over the past couple of weeks many of the phone calls I have been receiving are on soybean growth stages. It is good to get the growth stage calls because it means that folks are monitoring their soybean crops and they want to maximize the effect of fungicide applications. Because of the type of year that we have had thus far it will be critical to get the most return for dollars spent on a fungicide application. Louisiana research has shown that if you are going to spray once for an assortment of diseases, the R3 timing is when you want to make the application. 1

2 R1 is termed first flowering or beginning bloom. Regardless of where on the plant a flower is visible, the plant has begun the reproductive phase. Image from Iowa State University Extension R2 is termed full bloom stage. R2 is classified when there is an open flower at one of the two uppermost nodes on the main stem with a fully developed leaf. Image from Iowa State University Extension R3 is termed pod initiation or beginning pod stage. This is the stage when there is a 3/16 - inch long pod at one of the four uppermost nodes on the main stem with a fully developed leaf. Image from Iowa State University Extension R4 is termed full pod stage or pod elongation. This stage is classified when a ¾ -inch long pod is visible at one of the four uppermost nodes on the main stem with a fully developed leaf. Image from Iowa State University Extension 2

3 R5 is termed beginning seed stage or seed initiation. This stage is classified when there is a 1/8 -inch long seed in a pod at one of the four uppermost nodes on the main stem with a fully developed leaf. Image from Iowa State University Extension There are two things to remember about these growth stages and that is that they are based on evaluations of the four uppermost nodes starting at a fully expanded trifoliate and working down the plant. Secondly, do not evaluate the branches because they are not used in growth stage evaluations. How do you determine when a field has reached a respective growth stage. Fortunately, in soybeans progression of growth stages are generally very close in a field. Scout across the field just as you would do for insects and when 50% of the respective field has reached the target growth stage the field or crop can be classified as such. Here is a listing of just a few internet sites with visual descriptions of these growth stages STINK BUG IDENTIFICATION Dr. Roger Leonard, Hamilton Chair in Cotton Production LSU AgCenter Research Entomologist Joshua Temple, LSU AgCenter Research Associate/Cotton IPM Photos by Joshua Temple, LSU AgCenter Photos Adapted from Identification and Management of Common Boll-feeding Bugs in Cotton, Greene et al Extension Publication Clemson University 3

4 Photos Adapted from Identification and Management of Common Boll-feeding Bugs in Cotton, Greene et al Extension Publication Clemson University Photos Adapted from Identification and Management of Common Boll-feeding Bugs in Cotton, Greene et al Extension Publication Clemson University Photos by Joshua Temple, LSU AgCenter Photos by Joshua Temple, LSU AgCenter SOYBEAN INSECT SURVEY Texas A&M University staff are asking if you are involved in soybean production (grower, consultant, county agent, distributor, etc.), please consider taking the on-line survey as indicated below. Soybean Insect Data Sought Stink bugs have shown up in mid south crops. Just how serious are these pests from yearto-year? You can help a team of researchers and extension specialists find out by responding to a survey written for the Southern soybean industry. The survey takes about 10 minutes. By participating, you will make a big difference in our collective fight against stink bugs. Survey results will be made available to everyone late this summer. To take the survey, simply click on: 4

5 WHAT S GOIN ON DEAN LEE RESEARCH & EXTENSION CENTER ROW CROP FIELD DAY The 5 th Annual Dean Lee Research & Extension Center Row Crop Field Day will be held on Thursday, August 23, 2007 in Alexandria, LA. Registration will begin at 2:00 PM in the new Multi-Purpose Livestock Complex located just south of LSUA campus off U.S. Highway 71, where Dr. John Barnett, Central Region Director will give the opening remarks along with AgCenter administrators. The presentations given by LSU AgCenter personnel will cover soybean, corn, grain sorghum and cotton production. In regard to soybean, corn and grain sorghum, you will have the opportunity to hear a state wide crop and project update from Dr. David Lanclos, soybean harvest desiccant timing research from Dr. Jim Griffin and Dr. Roger Leonard will cover insect pest management in soybeans, corn and grain sorghum. In addition to these presentations, Dr. Steve Moore will be discussing MG V soybean stunting potential, and corn aflatoxin research. Dr. Sandy Stewart will be discussing his defoliation research and variety testing and Mr. Rob Ferguson will discuss wheat/cotton double cropping systems. Dr. Ralph Bagwell will discuss insect pest management in cotton. Weed control talks will be given by Dr. Donnie Miller, Mr. Roy Vidrine and Mr. Derek Scroggs. Following the field tour, at 6:30 PM in the Multi-Purpose Livestock Complex a catered meal sponsored by numerous companies will be served. Please plan on attending and joining us at the Dean Lee Research & Extension Center Row Crop Field Day. Louisiana Soybean Association (LSA) LSA is a producer-based soybean organization affiliated with the American Soybean Association (ASA) and the United Soybean Board (USB). This organization has many roles, including updating statewide soybean producers on current legislative and environmental issues. The LSA has representatives on the ASA and USB boards. This allows Louisiana issues to be brought to a national audience. As a member of LSA, you support local, state, national and international promotion and use of soybeans. Membership is available to anyone involved in production agriculture. Agribusiness personnel are strongly encouraged to join. When you join the LSA, you become a member of ASA, which is the collective voice of 25,000 U.S. soybean producers and other agbusiness personnel that are members of the association. By making the choice to become a member of ASA you make that collective voice even more powerful. ASA is your advocate in Washington D.C., on issues like biodiesel legislation, the Farm Bill, transportation infrastructure and market access. This important policy work is paid for by your voluntary membership in ASA, and cannot come from checkoff dollars. As your number one advocate, ASA testifies before Congress, lobbies Congress and the Administration, provides written comments on key issues, helps develop key legislative 5

6 language on soybean initiatives and relays information about the importance of ASA issues to the media. ASA s commitment to policy development begins with the grower-members. They elect state Board members and voting delegates who establish the policy goals for ASA. For more than 85 years, ASA has been working on behalf of its members to build demand, enhance profit opportunities and protect the soybean industry. ASA is proud to represent its soybean grower members, and is looking forward to another 85 years of success. To increase its representation on the national level, the LSA is seeking new members to be a part of their organization. By purchasing a three year membership to the LSA for $ the new or renewing member will receive credit for four bags of seed at their respective seed dealership. After paying for a three year membership and purchasing your seed as you normally do, send in a copy of the receipt and where you purchased your seed back to LSA by June 30 th, Your account at that seed dealership that you choose will then be credited for four bags by the respective seed representative. The seed companies participating in the LSA membership drive are: Asgrow/DeKalb, Croplan Genetics, Delta Grow, Delta King, Delta & Pine Land, NK/Syngenta Seed, Pioneer and Terral. If you have any questions on joining LSA call Charles Cannatella or go online at UPCOMING EVENTS June July 06/28 Rice Research Station Field Day Crowley, LA for details contact Dr. Don Growth dgrowth@agcenter.lsu.edu 07/13 Acadia Parish Rice/Soybean Field Day Crowley, LA for details contact Barrett Courville bcourville@agcenter.lsu.edu 07/27 Iberia Parish Soybean Field Day Iberia, LA for details contact Jimmy Flanagan jflanagan@agcenter.lsu.edu August 08/23 Dean Lee Research & Extension Center Field Day Alexandria, LA for details contact Matt Martin mmartin@agcenter.lsu.edu PERSONNEL STATE EXTENSION SPECIALISTS Dr. Jack Baldwin, Professor, Entomology, Baton Rouge jbaldwin@agcenter.lsu.edu Responsibilities: Soybeans, Corn & Grain Sorghum Dr. Kurt Guidry, Associate Professor, Ag Economics and Agribusiness, Baton Rouge kmguidry@agcenter.lsu.edu Responsibilities: Soybeans and feed grain economic marketing 6

7 Dr. Clayton Hollier, Professor, Plant Pathology, Baton Rouge Responsibilities: Grain Sorghum, Soybeans, and Corn Dr. David Y. Lanclos, Assistant Professor and Specialist, Dean Lee Research and Extension Center, Alexandria Responsibilities: Soybeans, Corn & Grain Sorghum Dr. Charles Overstreet, Professor, Plant Pathology, Baton Rouge Responsibilities: Nematodes in all agronomic crops Mr. Jay Stevens, Assistant Professor and Specialist, Dean Lee Research and Extension Center, Alexandria Responsibilities: Soil fertility for all agronomic crops EXTENSION ASSOCIATES Rob Ferguson, Dean Lee Research & Extension Center, Alexandria cell phone: Brad Guillory, Lee Research & Extension Center, Alexandria cell phone:

8 PARISH CONTACT INFORMATION Parish County Agent Address Acadia Barrett Courville Allen Randall Bellon Avoyelles Carlos Smith Beauregard Mike Lavergne Bossier Joseph Barrett Caddo John B. LeVasseur Calcasieu Jerry Whatley Caldwell Jimmy McCann Cameron Gary Wicke Catahoula Concordia Glen Daniels East Carroll Donna Lee Evangeline Keith Fontenot Franklin Carol Pinnell-Alison Iberia Jimmy Flanagan Iberville Louis Lirette Jeff Davis Allen Hogan Lafayette Stan Dutile Madison Mike Rome Morehouse Terry Erwin Richard Letlow Natchitoches Hubert Wilkerson Ouachita Richard Letlow Pointe Coupee Miles Brashier Rapides Matt Martin Red River Hubert Wilkerson Richland Keith Collins St. Charles Rene Schmit St. Landry Keith Normand St. Martin Alfred Guidry Tensas Randy Smith Vermilion Andrew Granger Washington Henry Harrison West Baton Rouge Louis Lirette West Carroll Myrl Sistrunk West Feliciana James Devillier RESEARCH PERSONNEL Scientist Location Responsibilities Address Dr. Roberto Barbosa Dept. of Ag Engineering, Baton Rouge Pesticide application, nozzle selection and variable rate Dr. James Board Dept. of Agronomy & Env. Mgmt., application Soybeans: waterlogging and other 8 jboard@agcenter.lsu.edu

9 Dr. Don Bouquet Baton Rouge NE Research Station, St. Joe cultural practices Nutrient Mgmt., BMP, and variety testing Dr. Ernie Clawson Dr. Dustin Harrell Dr. Fangneng Huang Dr. James Griffin Dr. Manjit Kang Dr. Roger Leonard Dr. H.J. Rick Mascagni Dr. Donnie Miller Dr. Steve Moore Dr. Boyd Padgett Dr. Ray Schneider Mr. Roy Vidrine Dr. Bill Williams Dr. Jim Wang NE Research Station, St. Joe Rice Research Station, Crowley Dept. of Entomology, Baton Rouge Dept. of Agronomy & Env. Mgmt., Baton Rouge Dept. of Agronomy & Env. Mgmt., Baton Rouge Macon Ridge Research Station, Winnsboro Macon Ridge/NE Research Stations, Winnsboro & St. Joe NE Research Station, St. Joe Dean Lee Research & Extension Center, Alexandria NE Research Station, St. Joe Dept. of Plant Pathology & Crop Physiology, Baton Rouge Dean Lee Research & Extension Center, Alexandria NE Research Station, St. Joe Dept. of Agronomy & Env. Mgmt., Baton Rouge Soybeans: variety testing and early planting Research Agronomist Corn & grain sorghum: insect pest management Soybeans and corn: weed management Corn: quantitative genetics and breeding Grain crops: sustainable IPM programs Corn & grain sorghum: production and variety testing Soybeans: weed control Corn: breeding and aflatoxin Soybeans: weathering Coordinator for variety testing Small grain diseases Soybean: pathology Agronomic crops: weed control Corn and grain sorghum: weed management Soil testing, plant analysis, soil chemistry

10 Visit our Web site: Louisiana State University Agricultural Center William B. Richardson, Chancellor Louisiana Agricultural Experiment Station David J. Boethel, Vice Chancellor and Director Louisiana Cooperative Extension Service Paul D. Coreil, Vice Chancellor and Director Issued in furtherance of Cooperative Extension work, Acts of Congress of May 8 and June 30, 1914, in cooperation with the United States Department of Agriculture. The Louisiana Cooperative Extension Service provides equal opportunities in programs and employment. 10