1. Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture China Agricultural University Beijing 100193 China
2. College of Horticulture Qingdao Agricultural University Qingdao 266109 Shandong China
3. School of Applied Chemistry and Biotechnology Shenzhen Polytechnic Shenzhen 518055 Guangdong China
4. Core Facilities, College of Life Sciences Peking University Beijing 100871 China
5. Faculty of Agriculture New Valley University New Valley Governorate 72511 New Valley Egypt
6. Flower Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 Yunnan China
7. Crop Pathology and Genetic Research Unit United States Department of Agriculture, Agricultural Research Service Davis CA 95616 USA
8. Department of Plant Sciences University of California Davis Davis CA 95616 USA
9. Plant Biology Section, School of Integrative Plant Science, College of Agriculture and Life Sciences Cornell University Ithaca NY 14853 USA