This project was funded in part by NSF/USDA-NIFA Cyber Physical Systems and USDA-NIFA WNP0745 projects.The author extends their gratitude to Dr.Sindhuja Sankaran and Mr.Chongyuan Zhang of Washington State University for their assistance in completion of this study.
Heat and light stress causes sunburn to the maturing apple fruits and results in crop production and quality losses.Typically,when the fruit surface temperature(FST)rises above critical limits for a prolonged duration...