Prof. Xiao-Fei Wang, Ph.D., master’s tutor, has been an associate professor at the School of Horticulture Science and Engineering, Shandong Agricultural University since July 2018. He is a member of the National Apple Industry Technology System of the Ministry of Agriculture and Rural Affairs Expert in the “Cultivation Physiology and Quality Control” position; a member of the Taishan Scholar Industry Leading Talent Innovation Team; a member of the Shandong Province Modern Agricultural Industry Technology System Fruit Innovation Team; and a member of the Zhucheng Fruit Industry Expert Advisory Group. His research interests include the collection and evaluation of apple germplasm resources and the cloning and the functional identification of genetic regulatory sites for important agronomic traits; the physiological basis and molecular mechanism of carbon and nitrogen nutritional interactions in fruit trees; the regulation of the growth and development of fruit trees; and the formation of fruit quality by environmental and hormonal signals.