When will flowering occur in Delaware wheat?

In most parts of Delaware, wheat has started to enter flag leaf emergence (FGS 8) and some wheat is just past emergence (FGS 9-boot).  Growers who are concerned about diseases of the head such as glume blotch and fusarium head blight should be…


Should I apply a fungicide to my wheat?

“Should I apply a fungicide to my wheat?”  That is a common question among many growers this season.  My advise has been this: go out and look at your wheat.  Really look at it, don’t just drive by at 60 mph with Lynyrd…


2016 Small Grains Fungicide Efficacy Table now Available

Click Here For Table


Stripe Rust Update

Growers should be aware that Stripe Rust was confirmed in different parts of Virginia, including the Eastern Shore, over the weekend.  As mentioned last week, it was confirmed in Kentucky, North Carolina, and Tennessee the previous week.  Currently the level of infection is…


Delaware and E Shore Maryland Small Grain Disease Update

Since my last article, the temperatures have been fairly cool and very windy, which has not been favorable for disease development in small grains.  We are seeing low levels of spot/net blotch in barley and some minor powdery mildew in some wheat fields…


Dickeya blackleg updates and considerations for 2016 potato crop

In 2014 and 2015, growers in many parts of the region started to notice black leg symptoms popping up in fields.  However, careful inspection of plants suggested that this was not your typical black leg, which is a seed piece issue resulting from…


Early Season Considerations for Powdery Mildew on Small Grains

We have been getting our wheat plots set up over the past week and there certainly is a fair amount of powdery mildew inoculum out there. Powdery mildew at this point in time will look like grey patches on foliage and you may…


Research Updates on Soybean Vein Necrosis Virus

Soybean Vein Necrosis Virus (SVNV) is a relatively new virus of soybeans.  Currently, SVNV is the most prevalent virus in soybean production in the United States.  Surveys in Delaware in 2015 detected the virus in over 72% of fields, with 69% of full…


Research on novel evolution of wheat fungal pathogens

Toxins are one means that some fungal pathogens can circumvent plant defenses and cause disease.  For example, the ToxA toxin, produced by the tan spot pathogen (Pyrenophora triciti-repentis) is responsible for disease in many susceptible wheat varieties.  We know that bacteria may share…


Keep an Eye on Your Small Grains

El nino is really making it an interesting winter.  On one hand, the excessively warm temperatures have  helped produce some really nice wheat and barley stands.   On the other hand, the extended warm weather may potentially increase the risk of some diseases.  The…


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