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Category Posts for Disease

23
Apr
2015
Wheat Progress and Disease Update
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

Wheat in Arkansas is progressing rapidly. The April 20th Arkansas Agriculture Statistics Service Crop report indicated that 14% of the crop had headed compared to 4% last year and 37% for the 5-year average. Overall the cool weather this spring has delayed development, but I still feel like we are a few days further along […]

23
Apr
2015
Update on Scab Management for Arkansas Wheat
Author: Terry Spurlock, Extension Plant Pathologist

Fusarium head blight (scab) is a fungal disease of wheat that causes yield loss as well as grain quality issues.  Arkansas has been fortunate in past years that fusarium head blight has not been a widespread problem, although parts of Northeast Arkansas had problems with this disease last year, resulting in low yields and poor […]

17
Apr
2015
Arkansas Rice Update 4-17-15
Author: Jarrod Hardke, Rice Extension Agronomist

April 17, 2015                              No. 2015-8 Dr. Jarrod Hardke Planting Progress Hurry up and wait.  There was very little, if any, progress anywhere in the state this week.  The USDA progress report showed Arkansas at 21% planted – I’d say probably 45% of acres south of I-40 are planted and 5-7% of acres north of I-40 […]

15
Apr
2015
Bacterial panicle blight of rice in Arkansas
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

About the Disease Bacterial panicle blight (BPB) is an important disease in Arkansas rice that has caused huge losses over the years, including 1995, 2010 and 2011. The cause was identified about 1996 by LSU scientists, but the problem has likely been around for a long time in the United States, often called something else. […]

10
Apr
2015
Arkansas Rice Update 4-10-15
Author: Jarrod Hardke, Rice Extension Agronomist

April 10, 2015                              No. 2015-7 Dr. Jarrod Hardke Planting Progress On Monday the USDA planting progress report showed Arkansas at 6% planted.  This represents a contrast between the northern and southern halves of the state.  Prior to the report, an estimate may have been that 20% of rice is planted south of I-40 and <5% […]

06
Apr
2015
Managing seed rots and seedling diseases of rice
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Seed Rots Seed rotting microbes can be associated with seeds from storage, fields from the previous season, or soil and water through secondary infection. Rotting seeds become mushy and may be surrounded by gooey substances or white moldy growth due to microbial activities (Figure 1). Certain environmental conditions such as puddled spots also favor seed […]

24
Mar
2015
Reduce the risks caused by major rice diseases
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Planning ahead not only should help you manage your fields adequately but also minimize disappointment at harvest. Remember the “disease triangle” of weather, varietal susceptibility, and the presence or absence of pathogens as the three major factors that play a role for plant disease occurrence. Pathogens can be brought to a field from various sources: […]

20
Mar
2015
RFD TV features Rice Research Verification Program’s successes
Author: Kim Rowe, Program Associate

Recently, a segment highlighting the successful Arkansas Rice Research Verification Program was featured on RFD TV, rural America’s television network.  Ralph Mazzanti, the program’s coordinator spoke about the program’s mission, function, and future for Arkansas’ rice farmers and the recent success of the program last growing season in Chicot County. The segment on RFD TV […]

11
Feb
2015
Wheat stripe rust update – Feb. 10, 2015
Author: Terry Spurlock, Extension Plant Pathologist

The recent weather has been conducive to stripe rust. Conditions favorable for disease development and spread include morning dew on the leaves, high winds, and nighttime temperatures in the 40s and 50s. A number of fields in multiple counties have been confirmed (see map below) and many fields have enough stripe rust to be at […]

07
Feb
2015
Arkansas Rice Update 2-7-15
Author: Jarrod Hardke, Rice Extension Agronomist

February 7, 2015                         No. 2015-3 Dr. Jarrod Hardke & Dr. Yeshi Wamishe Final Acreage Numbers In Table 1 is a summary of the most widely grown rice cultivars for Arkansas in 2014 based on DD50 enrollment information.  Since 2011, RiceTec CL XL745 has been the most commonly planted cultivar.  Jupiter and CL151 have also been […]