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2017 Louisiana Rice Acreage Survey Results

2017 Louisiana Rice Acreage Survey Results published on No Comments on 2017 Louisiana Rice Acreage Survey Results
(click to view results on AgCenter Website)

The results of the 2017 Louisiana Rice Variety Survey are now available online. The survey contains information on:

  • Total rice production in each parish and the percentage of long, medium, and special purpose rice
  • Breakdown of long grain, medium grain, and special purpose varieties and hybrids grown
  • Ratoon and conservation tillage practices used in each parish
  • Planting and water management cultural practices used by farming operations in each parish
  • Various maps and figures summarizing the findings

This survey is done annually by Extension Agents in each of the rice producing parishes by contacting their rice producers and seed distributors. In many cases, the survey results may not exactly match FSA certified planted acres. Deviations can be the result of many factors. The most common factors include large farming operations which farm in multiple parishes only reporting in one parish. Included in the data this year for the first time is water management practices including furrow irrigated rice (row rice) and alternate wetting and drying (AWD). Furrow irrigated rice management was reported in only two Louisiana Parishes with a total of 1,400 acres. The individual survey results, maps and figures are available on the LSU AgCenter Website (individual survey results). All of the data combined into one document can be found here (Complete Results Document). A big thank you to all of the Extension Agents who help make this survey possible!

Section 18 approved for Tenchu 20SG to control rice stink bugs in Louisiana – 2012 season

Section 18 approved for Tenchu 20SG to control rice stink bugs in Louisiana – 2012 season published on No Comments on Section 18 approved for Tenchu 20SG to control rice stink bugs in Louisiana – 2012 season

This blog was originally post at the Louisiana rice insects blog.

A Section 18 request has been approved by EPA for the use of Tenchu 20SG on up to 100,000 acres of Louisiana rice to control rice stink bugs. Click here to read about biology and management of rice stink bugs. This product will provide an alternative mode of action to the pyrethroids that are currently registered for use in Louisiana. The exemption expires October 31, 2012. The distributor in Louisiana is Mr. Michael Hensgens with G&H in Crowley. According to Mr. Hensgens, the suggested retail price is $24.30 lb at ½#per acre = $12.15/ac.

Rate and restrictions: Please contact your local County Agent for a copy of the Section 18 registration before using this product. Remember that the label is the law! The registered rate is from 7.5 to 10.5 oz of product per acre. A maximum of two applications can be made per acre per season. A seven day pre-harvest interval must be observed. Be aware that this product is toxic to honeybees – read the Section 18 registration for precautions to avoid bee injury.

Treatment threshold:We do not recommend treating until you exceed the recommended thresholds as described on the Section 18 label (the current label reads that you should follow the Texas guideline – this has been amended to reflect LSU AgCenter recommendations in pub 2270). To scout for rice stink bugs in the field, use a 15-inch diameter sweep net, take 10 sweeps at 10 different areas around each field. Count the number of bugs collected after every 10 sweeps and then treat if they exceed the threshold as described in LSU AgCenter Publication 2270. During the first two weeks of heading, treat when there are 30 or more stink bugs per 100 sweeps. From the dough stage until 2 weeks before harvest, treat fields when there are 100 stink bugs per 100 sweeps.

Before we consider applying for an emergency exemption next field season (should we feel it is warranted) we need to gather some specific data. We need your assistance gathering this information.

1. Resistance. Please notify us if you believe that you have a stink bug population that is resistant to pyrethoids. We will gather insect samples to run laboratory bioassays to screen for insecticide resistance.

2. Efficacy. If you use Tenchu 20SG we would appreciate any data you gather on residual efficacy of the product. Data from Texas has indicated that it provides a longer window of activity than pyrethoids. This will potentially result in a reduction of the number of insecticide applications to a field in one season. We will be conducting efficacy trials in Louisiana to measure residual efficacy when compared to pyrethoids. If you’d like to participate in a field demo, please contact your local County Agent and they can work with me to make arrangements.

3. Milling. We also need your assistance in gathering data on milling quality of rice. Specifically, we need more data on reductions taken at the mill in the form of peck and broken grains which is attributed to Rice stink bug feeding injury. Any information you can provide on grade reductions attributed to rice stink bug feeding injury will be appreciated.

For more information, please contact Natalie Hummel, Associate Professor, LSU AgCenter at nhummel@agcenter.lsu.edu or 225-223-3373.

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