Scientists have devised the first-ever test for mushroom compost that could save producers thousands of pounds by detecting whether a virus is present in a compost sample.
The new test, named East Malling Early Warning (EMEW) Mushroom Virus Detection, means economically-destructive viruses such as cap browning could be prevented or limited prior to cultivation.
Described as low-cost and reliable, the test is now being considered for commercial development when it will become available to growers and composters.
As well as early detection of virus in compost, the test can distinguish one virus from another and measure quantitative virus level through testing small samples of compost. Virus level, rather than just the presence or absence of a virus, determines whether the mushrooms become diseased.
It was created after scientists at East Malling Research (EMR) established the genetic makeup of 19 different mushroom viruses, including one that is the most likely cause of cap browning.
In parallel with this work, scientists then devised a way to extract viruses from mushroom compost.
Representatives from the mushroom sector interested in the test are invited to contact Kerry Burton at Kerry.burton@emr.ac.uk for further details.
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