Abnormal fruit produced by

Abnormal fruit produced by a citrus tree infected by Huanglongbing (HLB) or citrus greening disease.


Photo credit: California Citrus Research Board
From the CCRB: “Later symptoms of HLB-infected trees include yellow shoots, lopsided small fruit, and premature and excessive fruit drop. As HLB progresses, leaves and whole branches fall off the tree and eventually the entire tree dies.” (I also quote this in the article.)