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Category Posts for Wamishe, Yeshi

21
Jul
2017
Arkansas Rice Update 7-21-17
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke & Dr. Yeshi Wamishe July 21, 2017  No. 2017-18                www.uaex.edu/rice Industry News While the news is spreading far and wide, it’s still worth mentioning the signed phytosanitary agreement between the U.S. and China.  This is the first step in opening up a […]

07
Jul
2017
Arkansas Rice Update 7-7-17
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke, Dr. Yeshi Wamishe, & Scott Stiles July 7, 2017  No. 2017-16                www.uaex.edu/rice Crop Progress “Raindrops keep falling on my head.”  B.J. Thomas must have been talking about 2017.  The rain itself is certainly no problem and helping to keep pumping to a […]

03
Jul
2017
Managing Kernel and False Smut Diseases of Rice with Fungicides
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Cultural disease management strategies are beneficial to reduce kernel and false smut disease pressure. Historically, both kernel and false smut are severe in late planted susceptible rice cultivars raised in a field with history and applied with excessive nitrogen fertilizers.  Under favorable conditions most rice cultivars including hybrid rice […]

29
Jun
2017
Rice disease alert: Sheath blight and blast active; scout now
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist So far, sheath blight (Figure 1) has been reported on Lakast (6/27) and CL153 (6/28). Blast has been reported on Jupiter (6/20, 6/27) and Lakast (6/21). Every season is different. Weather conditions play an important role in the different crop pathogens. Sometimes weather favors our crops and some other […]

23
Jun
2017
Arkansas Rice Update 6-23-17
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke, Dr. Yeshi Wamishe, & Scott Stiles June 23, 2017  No. 2017-14                www.uaex.edu/rice Crop Progress “I’ve seen fire and I’ve seen rain.”  There are hotter topics in “other” crops this week than what’s going on with rice, but we’ll stay on topic here.  […]

20
Jun
2017
Rice blast alert: First confirmed report on Jupiter at green ring stage in Woodruff County
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Most early planted rice in Arkansas is somewhere between green ring and panicle initiation and has started moving with the warm weather. Today (June 20, 2017), we received a report of leaf blast on medium grain rice variety Jupiter which is at half inch internode elongation in Woodruff County […]

16
Jun
2017
Start Scouting for Sheath Blight Disease as Rice Approaches Reproductive Stages
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Scouting for sheath blight rice disease is recommended starting at the green ring developmental stage. Automatic application of fungicides is highly discouraged due to the potential of fungicide resistance development and nonprofitabiliy if applied in the absence or when sheath blight is below the threshold level.  Additionally, correct diagnosis […]

09
Jun
2017
It’s time to start scouting for rice blast disease
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Rice blast disease can be managed by planting relatively resistant varieties in fields with a history of blast. Current commercial rice varieties grown in Arkansas range from resistant to very susceptible to blast disease (Table 1).  Planting blast-susceptible varieties in blast-prone fields can result in near 100 percent yield […]

26
May
2017
Tips for Scouting for Hydrogen Sulfide Toxicity in Rice
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wasmishe, Extension Rice Pathologist; and Jarrod Hardke, Extension Rice Agronomist Healthy roots promote healthy plant growth.  Scouting for hydrogen sulfide toxicity in submerged rice is an essential practice to avoiding the risk of crop damage.  Regular scouting for hydrogen sulfide toxicity starting two to three weeks after permanent flood is established is highly […]

28
Feb
2017
Rice blast-resistant varieties: The best defense is a good offense
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist As we prepare to start the forthcoming season, planting fields with appropriate varieties is key to managing rice blast disease.   Rice blast disease can be well managed by planting relatively resistant varieties in fields with a history of blast. Planting blast-susceptible varieties in blast-prone fields can result in severe […]