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Category Posts for Cartwright, Rick

26
Jun
2014
Rice blast alert: Disease has been reported in Arkansas
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Blast is one of the devastating diseases of rice. The blast pathogen is air, seed, or residue-borne. Seed and air-borne pathogens can easily move long distances. Air-borne spores usually infect young leaves. Spores from young leaves may infect collars, nodes, and panicles of rice. Sometimes when the first emerged leaves dry and die back, blast […]

03
Jun
2014
Managing Flood-sensitive Disorders in Rice
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Starting the past couple of weeks, water is being  pumped into rice fields.  The rain last week has been a plus to establish permanent flood in some fields.  With the preflood nitrogen applied (perhaps more than the recommended amount) and temperatures rising, rice starts to move faster and will soon reach the reproductive stage.  Sheath […]

27
May
2014
Pointers for sheath blight management
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Certain rice pathogens that survive in soil are waiting for the right conditions to start their activities.  Sheath blight is one of the major diseases of rice in Arkansas that is caused by a soil pathogen, and flooding is one of those right conditions for the growth of the pathogenic fungus.  The fungus has several […]

19
Jul
2013
Answers to recent questions regarding rice disease management
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Sheath Blight: Q.  I want to spray 2-4-D for duck salad, and I see active sheath blight at green ring in my semi-dwarf variety but do not want to risk damage.  Could I tank-mix the strobi fungicide with 2-4-D and spray? A.  It has successfully been done before, but always check the new labels for […]

23
May
2013
Weather and akiochi disease of rice – Is there a link?
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Akiochi disease of rice, also known as ‘hydrogen sulfide toxicity’, causes black crown and root rot in rice.  In 2012, under hot and dry conditions, the disease was seen in several rice fields across the state of Arkansas.  In the assessment of former Extension rice pathologist Dr. Rick Cartwright, incidence of this disease in 2012 […]

19
Feb
2013
Plan ahead to minimize rice seedling diseases
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Strong seedling vigor is an important quality that helps the seedling withstand early adverse conditions and increase the likelihood that the field will do well the rest of the season.  All varieties do not emerge equally well on our different soil types. If you know the history of your rice fields, you can better match […]

05
Jul
2012
Rice Update for the week of July 3, 2012
Author: Rick Cartwright, Associate Director, Agriculture and Natural Resources-Cooperative Extension Service

The Rice Update is a weekly summary of what’s happening and what to look for in rice production, based on interviews and submissions of rice experts in Arkansas and the Mid-South. Weather:  We still need rain!  The trees are turning brown on ridges across Northwest Arkansas. ARKANSAS Dr. Bob Scott, Professor and Weed Scientist, Cooperative […]

28
Jun
2012
Rice Update for the week of June 27, 2012
Author: Rick Cartwright, Associate Director, Agriculture and Natural Resources-Cooperative Extension Service

The Rice Update is a weekly summary of what’s happening and what to look for in rice production, based on interviews and submissions of rice experts in Arkansas and the Mid-South. Weather:  To heck with the forecast, we need a rain! ARKANSAS Dr. Chuck Wilson, Director of the Rice Research and Extension Center and Rice […]

14
Jun
2012
Rice Update for the week of June 13, 2012
Author: Rick Cartwright, Associate Director, Agriculture and Natural Resources-Cooperative Extension Service

The Rice Update is a weekly summary of what’s happening and what to look for in rice production, based on interviews and submissions of rice experts in Arkansas and the Mid-South. Weather:  Highs in the upper 80s to low 90s the next 10 days; lows in the 60s to low 70s.  Chances of rain vary […]

06
Jun
2012
Rice Update for the week of June 4, 2012
Author: Rick Cartwright, Associate Director, Agriculture and Natural Resources-Cooperative Extension Service

The Rice Update is a weekly summary of what’s happening and what to look for in rice production, based on interviews and submissions of rice experts in Arkansas and the Mid-South. Weather:  Summer weather to continue with highs in the 80s to low 90s, scattered rainfall chances with some thought that next week will have […]