ACKNOWLEDGEMENTS
This work was supported by the National Natural Science Foundation of China (41471038 and 31200500), Shaanxi Academy of Science Research Funding Project (2019K-06), Natural Science Foundation of Shaanxi Province of China (2019JM-008), and Opening Foundation of Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education (ZSK2018009). Mention of a trademark, proprietary product, or vendor does not constitute a guarantee or warranty of the product by the U.S. Dept. of Agriculture and does not imply its approval to the exclusion of other products or vendors that also may be suitable.