‘Haiying 1' is a new sweet cherry rootstock developed from a semi-wild cherry ‘Duiying'. It is resistant to the crown gall disease and well adapted to drought, cold, as well as the infertile or saline alkali soils. The rootstock also has a good graft compatibility with many popular and commercially grown sweet cherry cultivars. In Beijing area, this rootstock germinates in late March, blossoms in middle April and the flowers last about 7 days. The fruits mature in middle May and leaves fall in late November...