1. National Key Facility for Crop Gene Resources and Genetic Improvement/Institute of Crop Sciences, Beijing 100081, China; 2. State Key Laboratory of Efficient Utilization of Arid and Semi‐arid Arable Land in Northern China/Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture, Institute of Agricultural Resources and Regional Planning, Beijing 100081, China; 3. National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing 100083, China †These authors contributed equally to this work. *Correspondences: Wenyuan Ruan (ruanwenyuan2008@163.com; Dr. Ruan is fully responsible for the distributions of all materials associated with this article); Keke Yi (yikeke@gmail.com)