Cereals: Barley mild mosaic virus and Barley yellow mosaic virus

Test Code
Standard Price per sample £194.00
up to 1

Cereals: <em>Barley mild mosaic virus</em> and <em>Barley yellow mosaic virus</em>
  • Method Used
    TaqMan® PCR
  • Standard Turnaround Time
    10 working days

Barley yellow mosaic virus and Barley mild mosaic virus are pathogenic viruses which cause barley yellow mosaic disease of winter barley. Symptoms include yellow and mosaic flecking of young leaves often appearing in winter and early spring, where plant leaves start to show pale green and yellow colours. Over time the changes become more severe as the virus spreads throughout the plant. These changes can take the form of curled leaves and chocolate-brown necrosis associated with the resulting lesions. Barley yellow mosaic disease can heavily impact yield with up to 50% crop losses.

These viruses can be contracted soon after sowing, through Polymyxa graminis within soil infecting the plant root. This can cause this virus to be systemic and far reaching, as well as being difficult to control and prevent.

The barley yellow mosaic disease can cause a significant impact on the expected yield of your crop as affected plants usually have fewer tillers and irregular grain size. However, symptoms are not always obvious and sometimes the crop can undergo an apparent recovery. However this symptom recovery doesn't necessarily lead to a recovery in yield.

The symptoms can often be mistaken for nutrient deficiencies so understanding what is happening in the crop can lead to more informed decision making.

Submitting your Sample

When submitting your sample please follow the guidelines outlined within our sample shipping information.

The relevant signed sample submission form must be included (in a separate bag if sample is damp); failure to send a sample submission form may result in a delay of your sample being tested and make diagnosis more difficult. To help us process your samples in the most efficient way please fill in as much information as possible on the relevant form below. Please ensure you provide your email address, 'Your Ref', 'Purchase order no' and 'Name and Address for Invoice' in the sections where applicable.

Download the sample submission form here

Cereals: Barley mild mosaic virus and Barley yellow mosaic virus

Subtotal £194.00

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