山东省是中国落叶果树的集中产区,栽培面积和产量均居全国首位,种质资源非常丰富,有许多驰名中外的优良珍稀品种和大量各具特色的宝贵类型。 建国以来,山东果树的选育种工作有计划地迅速发展,经过40年的努力,取得了许多重要的成果和显著的成绩。 一、四十年果树选育种概况 (一) Shandong Province is the concentrated producing area of ​​China’s deciduous fruit trees, with the cultivated area and output ranking the first place in the country. Shandong has a very rich germplasm resources. There are many excellent and rare varieties well-known at home and abroad and a large number of precious and precious types with different characteristics. Since the founding of the People’s Republic of China, the work of selecting and breeding Shandong fruit trees has progressed rapidly and in a planned way. After 40 years of efforts, many important achievements and remarkable achievements have been made. One or four decades of fruit tree breeding overview (a)