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Early seed potato harvest presents dry rot risk

With the Scottish seed potato harvest beginning a fortnight ahead of normal, SRUC consultant Dr Stuart Wale has reminded growers of the threat from dry rot, according to a news article published by Potato Review magazine.

An early harvest is likely to reduce the risk of silver scurf, black dot, gangrene, and skin spot developing in store, but not dry rot, which Dr Wale points out can be more of a problem on susceptible varieties following an early harvest.

He recommends two fungicide options in this situation: Gavel (imazalil) and Storite Excel (thiabendazole) which can be used alone or in mixture.

Gavel is marketed by Certis and the company’s Technical Manager Laurence Power says that for the last two springs dry rot has been a contributory factor to gappy emergence of ware crops.

Dr Wale urged growers to have a conversation with their seed suppliers sooner rather than later to discuss treatment.

Source: Potato Review. Read the full article here

Lukie Pieterse, Editor and Publisher of Potato News Today

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