Category Archives

Archive of posts published in the category: Barley
Oct
2

Small vs large plots for fungicide research in field crops

Over the last 10-15 years there has been much discussion in the agricultural realm about the utility of fungicide trials conducted on small plots, vs those on larger plots.  Small plots typically are 5-10’wide, and 20-50’ long, depending on the crop and study. …

May
5

Fungicide Application Window for Fusarium Head Blight Suppression

Heavy rains coupled with high winds made it difficult for growers in Delaware and Maryland to apply fungicides for Fusarium head blight (FHB) suppression.  There has been discussion about waiting until this current weather front passes to make applications.  Fungicide applications for FHB…

Feb
23

New Factsheet of Barley Yellow Dwarf and Aphid Management in DE Available

Barley yellow dwarf is the most prevalent virus encountered in small grain production.  Last year, we composed a new factsheet on this virus and how to manage it and its vector, the aphid.  The factsheet can be found under the small grains tab…

Jul
17

Research on Barley Yellow Dwarf Management in Wheat

Barley Yellow Dwarf (BYD) is a viral disease that can reduce yields in wheat, barley, and oats.  The virus can infect numerous species of grasses including those you may find in ditches, pastures, and lawns.  The virus is transmitted by aphids, which can…

May
6

Fusarium Head Blight Risk Elevated in Flowering DE/ MD Wheat

Wheat in southern parts of MD and DE, as well as some early flowering varieties, began flowering the latter half of last week and most of the remaining wheat I expect to flower sometime in the next 7-10 days, depending on temperature.  Flowering…

Mar
31

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…

Mar
17

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…

Dec
10

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…

Nov
24

New Research on Endophytes for Suppressing Fusarium head blight

Endophyes are microbes that exist within plant tissues.  These presence of these organisms are often not noticed because the organisms do not present any outward symptoms.  They can be found locally in specific tissues, or spread throughout tissues.  Some endophytes have been identified…

Oct
24

Correlation, Causation, and Scouting

Often, late season issues result in the submission of senesced, dead, or decomposing samples to extension plant pathologists or diagnostic clinics in the hope that an answer to a potential issue can be derived from such samples.  Unfortunately determining the potential cause of…

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