Find It Here
Twitter update
Subscribe

Subscribe to Post Updates from Arkansas Row Crops


 

RSS AgNews
Quick Links
Agricultural Programs

Category Posts for Wamishe, Yeshi

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 […]

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 […]

05
Jul
2016
Timing for application of protective fungicides to suppress rice kernel and false smut
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Rice fields having history of kernel and/or false smut applied with excessive nitrogen are prone to smuts in susceptible rice. Unfortunately under favorable conditions, most rice cultivars are susceptible including hybrid rice. False smut often is more severe in late planted rice since it is favored more by lower […]

30
Jun
2016
Fungicides for common rice diseases in Arkansas: Rates and compositions
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Since varietal genetic resistance is not always available for all diseases, cultural management strategies are highly recommended. However, in some instances, use of fungicides to reduce disease pressure has become inevitable in our rice production system.  To benefit the most from fungicide application the following pointers are suggested: Know […]

27
Jun
2016
Sheath blight rice disease showing up: Start scouting
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Plant Pathologist, and Jarrod Hardke, Extension Rice Agronomist If your rice crop has reached or is past green ring (internode elongation) it’s time to start scouting for sheath blight.  Conditions that favor sheath blight are susceptible cultivars, high N rates, dense stands with thick canopies, and field history of sheath blight […]

21
Jun
2016
Rice blast active in Arkansas: Start scouting
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist, and Jarrod Hardke, Extension Rice Agronomist Most rice in Arkansas is near or well past internode elongation (joint movement).  Except for a few cases of seedling disease complexes and hydrogen sulfide toxicity, until now, blast and sheath blight rice diseases have been relatively quiet in Arkansas.  Today (June 20, […]

18
Jun
2016
Arkansas Rice Update 6-18-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke, Scott Stiles, & Dr. Yeshi Wamishe June 18, 2016  No. 2016-14                www.uaex.edu/rice Crop Progress “It’s not so much the heat that’ll get you, but the humidity.”  It may get old hearing it said, but it doesn’t make it any less true.  On […]

03
Jun
2016
Start scouting rice for hydrogen sulfide toxicity
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist, and Jarrod Hardke, Extension Rice Agronomist With temperatures increasing, early planted rice will soon reach the reproductive stage. In fields with a history of hydrogen sulfide toxicity (also referred as autumn decline or akiochi), draining the flood and drying the field for a few days before midseason (DD50 for […]