Blight Watch
Worried about Blight, check out the Blight Forecast....read more
A lot of growers will be looking at the weather and worrying about their potatoes in case they get blight. Below is a link to the replacement site for "Blight Watch". It's called "Blight Spy" and it forecasts the areas where the right conditions for blight will occur.
BlightSpy provides:
a blight risk forecast for next 48 hours, with up to 8 days ahead available
data on both temperature and humidity
national and regional overviews, allowing each site to be seen in context
What is a Hutton Criteria?
A Hutton Criteria occurs when two consecutive days have both a minimum temperature of 10°C and at least six hours of relative humidity at or above 90%.
Prediction of a Hutton criteria is shown by a red dot on the map.
An amber dot shows a near miss. This is calculated by looking at 4 pieces of data, the relative humidity at or greater than 90% and the minimum temperature, on each of two days. If RH > 90% occurs on 5 hours on either day or minimum temperature is 9°C on either day, while the other criteria meet those required for Hutton, then a near miss is illustrated on the map.
If blight is predicted, then you can spray your crops as a prevention using a product such as "Blight Guard" which is produced by Jamieson Brothers, one of our valued partners. Their Blight Guard is a 100% natural product with no chemicals and is safe to use in your garden. It's for use on Potatoes and Tomatoes.
