使用脐黄抑制剂防治脐黄落果有特效脐橙果实脐部变黄是引起脐橙继第二次生理落果后持续落果的主要原因。不少脐橙国因未能很好地防治脐黄落果，而致脐橙生产成本高、产量低．据调查，因脐黄落果可减产３０％一５０％，甚至更高。脐黄抑制剂—ＦＯＷＳ是中国农业科学院柑桔... The use of umbilical yellow inhibitors have no effect on the navel yellow fruit falling navel orange fruit navel yellow is the main cause of navel orange following the second consecutive physiological decadent drop the main reason. Many navel orange countries because of failure to well control the fall of navel, resulting in high production costs of navel orange, low yield. According to the survey, due to navel yellow fruit drop can be reduced by 30% to 50%, or even higher. Umbilical Yellow Inhibitor-FOWS is the Chinese Academy of Agricultural Sciences citrus ...