1. Horticulture Branch, Heilongjiang Academy of Agricultural Sciences, Harbin 150069, China
2. Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions, College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150038, China
3. Heilongjiang Agricultural Technology Extension Station, Harbin 150090, China