May
24

Seedling diseases in corn

Corn planting is underway.  Persistent rain has increased the concern about potential seedling diseases and the need to replant.  Corn seedlings in DE and most of MD can be affected by two main pathogen groups 1) Pythium spp; and 2) Fusarium spp.  Pythium…

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…

Apr
25

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…

Apr
20

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…

Apr
16

2016 Small Grains Fungicide Efficacy Table now Available

Click Here For Table

Apr
13

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…

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
29

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…

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…

Jan
20

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…

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