This week I’ve received a few calls from consultants about high rice stink bug counts in late-planted rice and second crop. With advances in variety yield potential and improvements in second-crop management, the second crop has become important enough to warrant protection (in most situations).
A Section 18 request has been approved by EPA for the use of Tenchu 20SG on up to 50,000 acres of Louisiana rice. 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, 2011.
Time to start scouting for rice stink bugs in headed rice, although it does seem to be coming a little bit earlier than usual. This is probably a result of very early planting of rice in some parts of south Louisiana. Unfortunately, field conditions are favoring a bad year for stink bugs. The drought conditions have killed off grasses that would normally serve as a host/reservoir for stink bugs, so there is a chance they will move more readily into heading rice.
Yesterday, at the Simon field site tour stop, Mr. Eddie Eskew told me about a field of rice that was suffering from a severe infestation of armyworms. Up to this point in the season, I’ve had a few calls about armyworms, but nothing out of the ordinary. We wanted to collect caterpillars to add to our lab colonies on campus, so we headed to the field today.
If you are wondering why I’ve been a little quiet lately, it’s because we’ve been busy cutting test plots and gathering harvest data. After long days in this horrendous heat, it’s hard to find a desire to sit at a computer and write. I’ll wait until all the numbers are in to make any comments about the effect of treatments on yields. In the meantime, I thought you might like to see some equipment in action. The best part of harvest is that it really is a gathering of friends.
I’m pleased to announce the release of the Louisiana Online Rice Pest Identification Guide. The purpose of this guide is to improve identification of arthropods (insects and mites) that damage rice in Louisiana. Once the arthropod is properly identified, a link to the Louisiana pest management guidelines is provided. Although the arthropods featured infest rice in Louisiana, this online guide should be a useful tool in other Southern rice producing states.
Solving the whodunit mystery of insect damage in a rice crop will be easier with a new online program developed by the LSU AgCenter.
The Mexican rice borer, a threat to sugarcane and rice, has moved eastward from Texas extending farther into Louisiana. On Nov. 22, 2010, four male adults were found in a pheromone trap about six miles southwest of Sulphur, according to Gene Reagan, LSU AgCenter entomologist. Chris Carlton, director of the Louisiana State Arthropod Museum, confirmed that these trap catches were Mexican rice borers.
Anna and I have been working together to summarize the 2009 Louisiana rice insects survey data, and the graphs are now starting to take shape. We observed some interesting trends. Over the next couple of weeks, I’ll post a series of blogs that will summarize some of the highlights of our findings.
On Monday, Johnny Saichuk (rice specialist), Donna Lee (county agent – East Caroll Parish) and I headed over to Beaumont, Texas for the annual Mexican Rice Borer (MRB) Site Visit. This meeting is held annually to share the latest results of a long-running cooperative research effort between Texas A&M and the LSU AgCenter.
A new online forum for the rice community has been created by Kevin Reis (www.firstgrain.com) called RiceLoop. I set up my account last week and posted one comment “Hey Rice Community – is anyone out there using blogging or social media to interact with their rice producers?” Within 12 hours I had 5 comments from three different individuals.
On Feb 7, 2011, US EPA granted the Experimental Use Permit (EUP) for NipsIt INSIDE® Insecticide for seed treatment use in rice. The EUP is for the states of AR, LA, MS and TX for a total of 40,000 acres for 2011. This includes 5,000 acres in Louisiana. Rice water weevil and grape colaspis are target pests on the label. According to the EUP, use of this product is restricted to dry-seeded rice in drill-planters. The seeding rate cannot exceed 15
In the 2011 production season, Louisiana rice producers will have a variety of options for seed treatment in dry-seeded production systems. This article should help make the decision about which seed treatment you may want to consider.
This week the House of Representatives will debate H.R. 1, the Full Year Continuing Resolution (CR), to fund federal departments, agencies, and programs through Sept. 30, 2011. As reported last week, the CR would reduce the topline number for the National Institute of Food and Agriculture (NIFA is the USDA agency that supports Land-grant research and extension) by $217.056 million compared to FY 2010.
I recently assembled a list of iPhone apps that have some utility in agriculture or entomology. If you use an iPhone you might be able to use some of these apps in your agricultural endeavors. I’d be curious to know if you have any favorite agriculturally related apps. Also, if you know of any other agricultural apps that are not in my table, please post a comment or e-mail to me: email@example.com
Here is a summary of the blog for 2010. Thanks to everyone who followed the content. We hope to make more improvements in 2011. If you have suggestions to improve the content, please send them to me. Happy New Year!
We had an excellent crowd at the final stop of the LSU AgCenter south farm tour in Crowley, La., this morning. For those of you that could not attend, here is what was discussed.
About a week ago Calcasieu Parish County Agent Jimmy Meaux e-mailed me a picture of a borer larva in rice that he suspected was the Mexican rice borer (MRB). This was a highly suspect sample due to a combination of the morphology of the larva and where it was found – which was in the same area where LDAF caught the first adult MRBs in pheromone traps in Louisiana.
The Mexican rice borer (MRB) has now been found near Lake Charles, La. It is important that you learn to identify this pest and distinguish it from other borers that can be found in rice or cane. You can study up on the pest by downloading LSU AgCenter numbered pubs which are linked to this blog posting. If you find a larvae in rice or cane and suspect that it is MRB, please call me and we can arrange to pick up the sample.
More reports of chinch bugs, bill bugs, colaspis and sugarcane beetles in rice. An update on our rice water weevil demonstration test. Also, the summer field meeting schedule is starting to shape up.
On Friday, Nick and I made the trek to West Carroll Parish in north Louisiana to scout a rice field that Richard Costello had called me about on Thursday. We scouted a hybrid rice CruiserMaxx-treated field that is suffering from a thrips infestation. On our drive home, we observed the Morganza Spillway and some of the cropland being effected by the high water levels this year.
I didn’t set out yesterday knowing the day would play out like it did, but in honor of Cinco de Mayo, we wound up with five insects to discuss. All of which we found in rice fields on Cinco de Mayo. Numero Uno I’ve continued to get a lot of calls about some strange injury in rice – [...]
On the same day, next we looked at a field with the most severe infestation of chinch bugs I have ever witnessed.
Today we scouted fields in Calcasieu Parish, which were infested with rice levee bill bugs and chinch bugs.
This blog posting presents pictures of the stand at the St. Landry Parish rice water weevil demonstration site. I also discuss ongoing early-season problems with chinch bugs, rice levee bill bugs and colaspis.
This morning I admired the moon setting over University Lakes on my way into campus. Wait a minute, I was biking into campus by moonlight? Yep, a sure sign of field season – early mornings and long (but exciting) days. Today we headed down to Jefferson Davis Parish to scout a couple of fields that were suffering from stand loss due to an unknown cause. In one location we are still trying to determine the cause. In the second field we scouted we confirmed a fairly severe colaspis infestation.
This week we have had calls about chinch bugs and thrips in rice. We also took stand count observations at the Evangeline Parish test site yesterday. This blog posting discusses chinch bugs, aphids, thrips and some natural enemies (fire ants and ladybugs).
This morning I received another call about chinch bugs infesting seedling rice – this is the fourth call I’ve had this season, so I want to remind field scouts to be on the lookout for this pest. So far they have been reported in Jeff Davis, Evangeline and St. Landry parishes. In this blog posting I also provide a reminder about which insects are controlled by the different seed treatments.
Today Anna and I met with County Agent Barrett Courville and crop consultant Rustin Gilder at the Acadia Parish demo site, which is farmed by Glen and Wes Simon. We were pleased to find a healthy, rigorous stand of rice. Much of the field is already at tillering stage just two weeks after seedling emergence! This location was planted with XL745 at #25 seeding rate.
On Friday, I headed out to scout rice in Jeff Davis Parish with County Agent Barrett Courville and consultant Rustin Gilder. We scouted a field where Rustin had found a single colaspis larva. We also discussed rice water weevil management. Rice water weevils are already out and infesting fields in southwest Louisiana. You can watch our scouting videos on colapis and rice water weevil for a refresher on how to scout for these pests of rice.
Last week we planted the rice water weevil demonstration test sites in Evangeline and St. Landry parishes. Both locations are the hybrid variety XL745. At each location we will be comparing the seed treatments CruiserMaxx, Dermacor X-100 and NipsitInside to an untreated check.
On March 16, 2011 we planted the Acadia parish demo test site. This blog posting includes a description of the treatments, field maps and plans for gathering data this season.
It’s almost that time of year again. Today Anna and I met with County Agent Keith Fontenot and Evangeline Parish farmer Kenneth LaHaye to discuss plans for the 2011 rice water weevil demonstration test. The field we will plant had some weedy passes, where a nozzle was accidentally turned off on the boom. This is a good example of why properly timed burndown herbicides are so important.
A phone call from Evangeline parish on colaspis damage had us in the field to assess damage recommend further treatment
We scouted fields in St. Landry Parish for colaspis larvae.
Met with cooperators in Evangeline and St. Landry parishes to discuss crop treatments and timing.
Met with Stuart Gaythier, Alden Horton, and Richard Hardee to plan rice planting and treatments
Notes from the LATMC conference and tips on various media deliveries and new media tools.
Set-up for Cruiser and Dermacor seed treatments
Topics and speakers from the Louisiana rice growers meeting – excellent speakers. I really enjoyed the joint meeting of the Louisiana Rice Council and Louisiana Rice Growers Association in Crowley, La last night. The food, fellowship, and speakers were wonderful.