This can expose the fruit to high rainfall, frosts and low heat units during the harvest period. Early ripening selections which ripen in late summer would have a lower risk of ripening under adverse conditions. Low vigour or spur types could be suited to high density orchard systems. The first early ripening bud mutation of Fuyu identified. The fruit matures 14 days before Fuyu.
Trees have moderate vigour and are prone to over cropping.
The fruit is smaller than Fuyu and is sensitive to the green blotch disorder. An extremely early ripening bud mutation of Fuyu recently patented in Japan. The fruit is similar to Matsumoto wase Fuyu with small fruit size and has sensitivity to the green blotch disorder. A large fruited bud mutation of Fuyu recently patented in Japan. The fruit matures 10 days before Fuyu.