Colusa County
University of California
Colusa County

Posts Tagged: diseases

Start scouting for blast

Blast burn

I got a report from a PCA early in the week of blast infections detected near Maxwell. Blast can occur at any time during the development of the crop. When it infects leaves, it is called leaf blast. If it infects the base node of the panicle, it is...

Posted on Friday, July 20, 2018 at 1:17 PM
Tags: blast (5), diseases (7)

Stem Rot

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In the past two years, I have received several reports of fields suffering yield loses due to stem rot. Last year I saw several affected fields. This year, I am starting to get reports of fields being affected. I visited one such field last week. After...

Posted on Monday, September 11, 2017 at 10:04 PM
Tags: diseases (7), stem rot (1)

Blast in M-209

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Our two year stretch of little to no blast might be over. I visited an M-209 field last week that seemed to be infected with blast. The lesions appeared to me like propanil drift burn; however, the yellow halo around the lesions made the...

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Posted on Friday, July 22, 2016 at 2:10 PM
Tags: blast (5), diseases (7)

Factors Related to Rice Blast Incidence and Severity

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It is still too early to know if this is going to be a year with high incidence and severity of rice blast. The most favorable conditions for sporulation, spore germination and infection ofplant tissue by the blast fungusinclude high relative humidity,...

Posted on Friday, June 20, 2014 at 1:11 PM
Tags: blast (5), diseases (7)

Time to Scout for Blast

Up until today, I hadn't seen any blast in the area, but I got a couple of calls today of growers having to put a fungicide because of blast. We'll see if this year blast will be as bad as the past two years.  Scout your fields and keep in mind...

Posted on Wednesday, July 25, 2012 at 2:03 PM
Tags: blast (5), diseases (7)

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