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Category Posts for Disease

22
Jul
2016
Arkansas Rice Update 7-22-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke & Dr. Yeshi Wamishe July 22, 2016  No. 2016-19                www.uaex.edu/rice Crop Progress Upon looking at oil dripping from underneath his racecar, Robert Duvall in Days of Thunder looked at the car and said, “This is not the kind of answer I’m looking […]

22
Jul
2016
Rice bacterial panicle blight: what research has taught us
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist and T. Gebrmariam, T. Mulaw, S. Belmar, C. Kelsey In the paradigm of plant pathology three factors are important for disease to occur. This includes the perfect alignment of a susceptible host with a virulent pathogen under favorable environment.  Some may associate environment only with weather. Sometimes, specific factors […]

21
Jul
2016
Soybean Research Verification Program update for July 21, 2016
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators Rainfall was pretty light this week as most fields received very little while few others got fair amounts. Insect populations have crashed over the past week but noticed large number of bollworm moths in several fields, so expecting to have to spray in the next […]

18
Jul
2016
Southern rust moving progressively northward
Author: Travis Faske, Extension Plant Pathologist

By Travis Faske, Extension Plant Pathologist Southern rust has been confirmed in sixteen counties since it was first detected on June 22 in Chicot Co.  Since then, southern rust has progressed northward along the MS River Delta (Fig. 1), which is very common for this disease.  Of these reports, disease severity has ranged from <1% […]

14
Jul
2016
Soybean Research Verification Program Update – July 15, 2016
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators Rainfall was again scattered this past week with most fields receiving zero while Lee received 1.1”.  No new fields were found to need treatment for bollworms this week, however, Chicot reached treatment level stink bugs and was treated.  Jefferson was the first to reach […]

14
Jul
2016
Rice Research Verification Program Update – July 11, 2016
Author: Ralph Mazzanti, Rice Research Verification Coordinator

By Ralph Mazzanti and Ron Baker, Rice Research Verification Program Coordinators South Arkansas:  The southern fields are moving fast with several fields approaching the late boot to heading stage. The Lee and Phillips County fields are approaching 1/2” internode elongation.  A welcome rain was recorded with 2.4” in Desha and Phillips Co. and 1.4” in […]

11
Jul
2016
2016 Arkansas Soybean College: Register online now
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist The University of Arkansas System Division of Agriculture in partnership with the Arkansas Crop Protection Association will be hosting the 2016 Soybean College on August 18, 2016 at the Newport Research Station at Newport, AR starting at 8:00 a.m. and running through 5:00 p.m.  Crop consultants, industry personnel, and […]

11
Jul
2016
Don’t be fooled by this imposter: It’s not the southern blight of peanut pathogen
Author: Travis Faske, Extension Plant Pathologist

By this time in the season there are usually a few reports of southern blight of peanut; however, there has been no reports of this disease in Arkansas, yet.  Southern blight or southern stem rot is caused by Sclerotium rolfsii, which is the most common soilborne disease of peanut in Arkansas and the Mid-South.  Some […]

09
Jul
2016
Arkansas Rice Update 7-9-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke & Dr. Yeshi Wamishe July 9, 2016  No. 2016-17                www.uaex.edu/rice Crop Progress Current conditions have the rice crop speeding along.  It’s not just your rice either, it’s everyone’s rice.  Daytime highs in the mid-90s and low temperatures staying above 70 have us […]

05
Jul
2016
Late-season rice blast: fungicide timing is key
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist The rice blast fungus is a worldwide problem of rice that can cause near 100 percent yield loss in susceptible cultivars under favorable weather conditions if left unchecked. The blast fungus is very versatile and effective in its modes of survival. The fungus produces airborne spores that travel long […]