1. College of Life Sciences and State Key Laboratory of Crop Stress Biology in Arid Areas Northwest A&F University Yangling Shaanxi 712100 China
2. Department of Horticulture Shenyang Agricultural University Shenyang 110866 China
3. Key Laboratory of Applied Entomology College of Plant Protection Northwest A&F University Yangling Shaanxi 712100 China
4. Büsgen‐Institute Department of Forest Botany and Tree Physiology Georg‐August University Büsgenweg 2 37077 Göttingen Germany
5. Institute for Forest Sciences University of Freiburg Georges‐Köhler Allee Geb. 53/54 79085 Freiburg Germany
6. Key Laboratory of Environment and Ecology in Western China of Ministry of Education College of Forestry Northwest A&F University Yangling Shaanxi 712100 China