Diseases

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Updated: July 28, 2021

Roots in Research 2019

Roots in Research - Yield of 2019 - Upper Marlboro CMREC
Roots in Research 2019
Updated: July 28, 2021

Club Root Found in Brassica Crops

It is odd that we would have a couple of reports of an unusual disease of brassicas turn up in the same week, but we did. Clubroot caused by Plasmodiophora brassicae is a major disease of brassica, i.e., broccoli, cabbage, turnip, rutabaga, and radish. It can also infect weeds in the mustard family as well as some grasses.
Fig. 2 Club root disease on fibrous crucifer roots.
Updated: July 23, 2021

Vegetable and Fruit News-June 2021

Fruit and Vegetable News, Volume 12, Issue 3 (June 10, 2021)
Vegetable & Fruit News header
Updated: July 21, 2021

Blueberry IPM Post Bloom

Most blueberry cultivars here in Maryland bloomed and green fruit are developing. Now is the time when a variety of pathogens and pest will begin to take up residence in your field which can harm your developing crop. It is important to perform routine scouting throughout your farm and make sure that you’re not seeing symptoms of some of the common pests and pathogens. Below is a description of several of the most common diseases and pests you may find at this time in your blueberries.
Updated: July 19, 2021

Black Dot Root Rot - Seldom Seen Tomato Disease Found in High Tunnel

A root disease that is most commonly associated with potato has turned up on tomato in a high tunnel last week. This disease goes by the delightful name of black dot root rot. The causal agent is Colletotrichum coccodes, which also causes anthracnose fruit rot on tomato (sunken, water-soaked, circular lesions).
Updated: July 8, 2021

Boxwood: Diagnose, Manage and Prevent Common Problems

Diagnose, manage, and prevent common boxwood problems
boxwood
Updated: July 6, 2021

Agronomy News-May 2021

Agronomy News is a statewide newsletter for farmers, consultants, researchers, and educators interested in grain and row crop forage production systems. The topics for this edition are
Agronomy News Header May 2021 Issue
Updated: July 6, 2021

Fusarium Head Blight Risk Assessment Tool

As of when I am writing this article, the risk of Fusarium head blight (FHB) on flowering wheat is very low across most of the region (Figure 1).
Figure 1. May 4, 2021 72-hour risk assessment map for Fusarium head blight of wheat on very susceptible wheat varieties. ;Image: wheatscab.psu.edu
Updated: July 1, 2021

Why Oak Trees are Declining or Dying

Oak trees are declining for a variety of reasons.
oak decline symptoms
Updated: June 14, 2021

What Causes Trees to Die?

Not all plant problems are caused by insects and diseases. Many tree and shrub problems are due to environmental issues or planting errors.
oak death from drought