supported by the National Natural Science Foundation of China(grant nos.31672176 and 31171978);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(18KJB210014).
Powdery mildew(PM)is considered a major cause of yield losses and reduced quality in cucumber worldwide,but the molecular basis of PM resistance remains poorly understood.A segment substitution line,namely,SSL508-28,w...