金冠苹果丰产性强,果实品质优良并有较强的适应性,我国苹果各产区均有栽培,但该品种在各地特别是在沿海和其它多湿地区,普遍发生果锈,严重时果面粗糙,锈斑连片,影响果实外观,大大降低了商品价值,而且在贮藏期皱皮严重,成为发展金冠苹果的主要障碍。为了选育出果实无锈或少锈的新品系,育种工作者从杂交、芽变选种 Golden Delicious apple has high yield, good fruit quality and strong adaptability. Apple cultivars are cultivated in all producing areas in China. However, fruit rust is commonly found in all varieties, especially in the coastal areas and other wet areas. , Rust contiguous, affecting the appearance of the fruit, greatly reducing the value of the commodity, but also in the storage period wrinkled skin serious, become the main obstacle to the development of Golden Delicious apple. In order to breed a new strain of rust-free or rust-free, breeding workers from hybridization, bud selection