Tag Archives: university of arkansas

Moisture fuels a blast epidemic: Plan to scout for leaf blast

rice blast

• By Yeshi Wamishe • There is already dew in the mornings and rain is in the forecast. Even with planting being later this year, it may still be time to start scouting for leaf blast in susceptible rice, particularly in the event of frequent rains, overcast days and slow wind. Remember leaf blast can start at any stage of ... Read More »

Start scouting for hydrogen sulfide toxicity in rice

hydrogen sulfide toxicity

• By Yeshi Wamishe • If have fields with a history of hydrogen sulfide toxicity which led to a condition called autumn decline as in Figure 1 and 2, you need to begin scouting two weeks after establishing permanent flood. Healthy roots appear clean or even reddish, but not black. Black roots can indicate a potential problem. Although root blackening ... Read More »

6 considerations for preflood nitrogen for rice

Preflood application of urea+NBPT to rice.

• By Trent Roberts, Rick Norman and Jarrod Hardke • Preflood nitrogen (N) applications in rice are very important for setting yield potential in rice as two of the three yield components (tiller number and seeds per panicle) are set by the preflood N. The efficiency of preflood N uptake in rice is influenced by many factors including N source, ... Read More »

Consider these management tips for late-planted rice

fertilizer spreading

• By Jarrod Hardke • Rice drills continue to roll up and down eastern Arkansas. I think most are very aware we’ve been on the slowest planting pace in 25 years to get us here focusing on late May to early June planted rice. While most have already made their decision, and the weather may finish off planting in the ... Read More »

University of Arkansas’ insecticide manual has gone mobile

mp-44

The University of Arkansas’s MP-144, also known as “Insecticide Recommendations for Arkansas,” has gone mobile. Producers, agricultural agents and consultants will now have access to a comprehensive database of insecticide information at their fingertips, with the University of Arkansas System Division of Agriculture’s launch of a mobile-device-friendly version of the insecticide manual. Glenn Studebaker, Extension entomologist for the Division of ... Read More »

Fungicide seed treatments are worth it if seedling diseases are present

rice seed fungicidal treatments

• By Yeshi Wamishe • Field history is a major factor when considering to use fungicide seed treatments. If your field has a history of seed rot and seedling diseases (mostly blight and seedling death), it is highly possible you’re dealing with a seedling disease complex caused by fungi and other microbes, of which Rhizoctonia solani is part of. Remember ... Read More »

2019 Mid-South rice planting season appears to be running in slow motion

mississippi rice tunica

The 2019 rice planting season seems like it’s running in slow motion. Nationwide, slightly more than half of the anticipated acres had been planted as of May 12, according to the U.S. Department of Agriculture’s Crop Progress report. That compares to 81 percent at the same time in 2018. Bobby Golden, Mississippi State University Extension rice agronomist, says growers in ... Read More »

Dual duty

billbugs in hand

Combination seed treatments may kill two weevils with one blow. • By Vicky Boyd, Editor • A weevil that prefers drier ground and typically frequents rice levees has begun damaging furrow-irrigated rice, thanks in part to a lack of permanent flood in the upper portions of the fields. At the same time, producers of row rice — as the system ... Read More »

If you’re consider water seeding, weed control can be more challenging

water seeding rice

• By Tommy Butts • Heavy and relentless rainfall this spring has led to interest in water-seeding rice. This method can be an effective seeding strategy (Fig. 1); however, weed control becomes a bit more challenging, especially with residual herbicides and their potential to cause crop injury. If considering water-seeding rice, here are some weed control recommendations specific to water-seeding. ... Read More »

Take these steps to prepare for possible fertilizer shortages

fertilizer spreading

• By Trent Roberts • With current Mississippi River levels above flood stage along all of Arkansas’ eastern border, there are increasing concerns that limited barge traffic combined with reduced access to Arkansas ports may tighten fertilizer stocks during periods of high use. Current river depth at Memphis is at 30 feet and falling: however, there is still a significant ... Read More »