信州甜心 爱称“风味１号”，由日本长野县果树试验场用红富士与轻津杂交培育而成。果实圆形至椭圆形，整齐度好，单果重 ３００～３５０ｇ；果皮底色黄绿，面色为红至浓红色（在温暖平坦地着色稍淡），锈果、裂果少；果肉黄白色，肉质致密，果汁多，含糖１４％～１５％、酸０? Shinshu sweetheart known as “flavor No. 1” from Nagano Prefecture, Japan fruit tree test site with Fuji and Qingjin hybrids from breeding. Fruit round to oval, good uniformity, single fruit weight 300 ~ 350g; peel background yellow-green, complexion red to thick red (slightly warm in the flat coloring), rust fruit, fruit cracking less; flesh yellowish white, succulent Dense, juicy, sugary 14% ~ 15%, acid 0?