Breeding, Pests and Diseases, Research, Trends, Varieties

Ireland: Is the wild potato the key to less fungicide use on spuds?

potatoScience week in Teagasc Oakpark has opened up students minds to the humble spud and the wild potato continued to come up in conversation. Why? The answer is simply potato blight, as the wild potatoes found in South America are resistant to blight. Some of these potatoes might not be as tasty or suitable for the supermarket, but they have one very important quality – they aren’t susceptible to blight. Oakpark is the home of potato breeding in Ireland and while it has successfully bred many different breeds, potato blight remains the big threat to the industry. Denis Griffin, a Teagasc research officer with Teagasc , stated: “One of the big pressure points for potatoes is still late blight. We have to spray the susceptible varieties 12-15 times. …One of our major goals over the next few years is to try and introduce resistant genes from wild species for late blight and reduce the amount of pesticides we have to use.” More

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