Leaf symptom in where a black, powdery substance is covering part or all of the leaf.

A lesion or abscess on a leaf.

Symptom in where parts of the leaf appear dead, withered, or decaying.

Leaf symptom in where the margin or perimeter of the leaf blade appears to be turning brown.

Leaf deformity expressed by localized spread of yellow to brown colorations.

Any sort of circular black splotch or patch occuring on the top or bottom surface of a leaf.

Leaf symptom where the leaf begins to wither and curl up.

Any sort of abormal growths, splotches, or spots on a leaf appearing dark in color.

Any significant morphological issue occuring on a leaf.

Specified leaf deformity that appears as if parts of the leaf are missing.

Abnormal growths on a tree, especially on the trunk or branches. It can also occur on the tree leaves.

Specified type of defoliation where leaves appear chewed or gnawed.

Localized defolation of specific parts of a leaf.

Specified type of defoliation where the leaf appears to be reduced to its veins and midrib.

Any sort of abnormal splotches or patches on a leaf.

Specified form of leaf discoloration that appears around the veins or midrib of a leaf.

Leaf smyptom in which a white, powdery substance covers parts of a leaf.

Leaf deformity expressed by drooping or withered look of a leaf.