Potato growers are being urged to prioritise store hygiene this summer after slow market movement left more ware crops in store for longer than planned. Frontier’s Darren Wonnacott says the combination of increased tuber damage at harvest, extended storage and a market demanding only top-quality potatoes has created a “perfect storm” for storage disease pressure. “There was a lot of damage last harvest and with a long storage season, you end up with more issues because you’ve given the pathogens time to develop.” He reports seeing more fusarium dry rot and soft rots in stores this spring where tubers have…