Tag Archives: Disease Control

LSU AgCenter researcher aims to pinpoint disease resistance gene in rice

jonathan richards

• By Bruce Schultz • A Louisiana State University AgCenter plant pathologist will use a $500,000 grant from the U.S. Department of Agriculture to pinpoint the location of a gene in rice that could help farmers control a potentially devastating plant disease. “Our goal is to characterize the resistance to narrow brown leaf spot at the genetic and functional level,” ... Read More »

UArk releases updated 2021 weed, insect and disease management guides

university of arkansas publications

New editions of the most widely used publications from the University of Arkansas System Division of Agriculture are now available and offer the latest research-based recommendations for managing insects, weeds and diseases in row crop agriculture, as well as in fruit, vegetable and garden production. The 2021 publications include: • MP44 — Recommended Chemicals for Weed and Brush Control. • ... Read More »

LSU AgCenter launches preseason rice and soybean videos

LSU AgCenter

With the start of rice planting only two months away, the LSU AgCenter has prepared a series of video presentations by its experts to help farmers prepare for the 2021 crop. These are in place of the normal in-person winter grower meetings, which have been put on hiatus due to the COVID-19 pandemic. The videos can be viewed at https://lsuagcenter.com/topics/crops/rice/virtual-presentations. In ... Read More »

‘My sincerest gratitude to all’ as I leave MSU

hurricane laura damage

This space is generally provided to wrap-up the season and reflect on the attributes that aided production as well as the many setbacks that were encountered and eventually overcome on our way to producing the 2020 crop. I find it very difficult to collect my thoughts on what was a very different year for multiple reasons, mostly since this will ... Read More »

Reactions of Arkansas rice cultivars to major diseases in 2020

rice blast

• By Yeshi Wamishe and Jarrod Hardke • Disease and lodging ratings shown in the table below represent the expected reactions of our commercial rice cultivars to diseases and lodging under favorable conditions. Generally, an integrated disease management approach is more dependable and inexpensive than using chemicals alone. Rice cultivars with some level of resistance to respective diseases and managed ... Read More »

Blast on the upswing in California

blast in a field

• By Luis Espino • I have been getting quite a few questions regarding blast, mostly from Glenn and Colusa counties. It seems that 2020 will be a year with significant blast pressure. Under California conditions, blast can be observed in fields before heading. This occurrence is referred to as leaf blast. Later, when panicles emerge, blast can infect the ... Read More »

How to scout for hydrogen sulfide toxicity

rice roots

• By Yeshi Wamishe • This is a reminder for you to take samples of rice roots from your fields to gauge how much the wet conditions this year followed by the normal permanent flood have affected your rice. This note is more useful for fields that have a history of hydrogen sulfide toxicity/autumn decline. However, it does not exclude ... Read More »

If you had smut in 2019, plan to protect crops this season

false smut

Epidemic levels of kernel smut and false smut were prevalent in the 2019 Louisiana rice crop. While smuts have always been a common problem in northeast Louisiana and the Mississippi Delta rice-growing regions, smuts were never really a concern in southwest Louisiana. Over the past five years, sightings of smut in southwest Louisiana rice fields have increased a little bit ... Read More »

Syngenta launches seed treatment with 4 modes of action

syngenta logo

Syngenta has launched Vibrance RST rice seed treatment, which contains four different fungicidal modes of action to control seedborne, soilborne and seedling diseases, according to a news release. The four active ingredients are: • Azoxystrobin, a Group 11 fungicide, protects against Rhizoctonia and Pythium species and some soilborne and seedborne diseases, including rice blast. • Fludioxonil, a Group 12 fungicide, ... Read More »

North Louisiana farmers eye row rice more closely

LSU row rice meeting

• By Bruce Schultz • Farmers at the recent Northeast Louisiana Rice Forum heard about the benefits and challenges of growing row rice. The practice uses irrigation with collapsible poly tubing or rainwater to keep soil moist, but no permanent flood is maintained. Levees are not required, so farmers can wait until planting to make crop decisions. Mike Salassi, Louisiana ... Read More »