Doctor Optimara

Symptoms: Leaves

The following list provides a number of symptoms which may appear on the leaves of African Violets. Select the one which best describes the symptom you are seeing.

  • Leaves - Chlorosis. Leaves pale. They appear yellow or gray in color.
  • Leaves - Chlorosis, Interveinal. Leaves pale between the veins.
  • Leaves - Cotton, White Specks of -. Leaves have what looks like white specks of cotton clinging to them.
  • Leaves - Cracked. Leaves are brittle or cracked.
  • Leaves - Crystals, Orange. Leaves have orange crystals clinging to the plant hairs. These orange crystals are most visible in the crown.
  • Leaves - Curl Down on the Edge. Leaves curl down on the edge.
  • Leaves - Curl on the Edge. Leaves curl on the edge.
  • Leaves - Curl Up on the Edge. Leaves curl up on the edge.
  • Leaves - Edges Curl. Leaves curl on the edge.
  • Leaves - Edges Curl Down. Leaves curl down on the edge.
  • Leaves - Edges Curl Up. Leaves curl up on the edge.
  • Leaves - Edges Darken (Necrosis). Leaves darken on the edge. Edges appear brown in color.
  • Leaves - Edges Pale (Halo-ing). Leaves pale on the edge. Edges appear yellow in color.
  • Leaves - Excessive Plant Hairs in the Crown. Newer, smaller leaves in the center (crown) have excessive plant hairs growing from them.
  • Leaves - Gray on the Underside. Leaves have a gray (or silvery) appearance on the underside of them.
  • Leaves - Gray, Fuzzy Growth. Leaves have a fuzzy gray or brown growth on them.
  • Leaves - Gray Powder. Leaves have a light gray powder on them.
  • Leaves - Insects or Other Pests. Leaves have insects or other pests on them. These pests may only be visible with a magnifying glass.
  • Leaves - Interveinal Chlorosis. Leaves pale between the veins.
  • Leaves - Mold, Sooty. Leaves have Sooty Mold on them.
  • Leaves - Mucus Trail. Leaves have a mucus trail on them. The mucus trail is shiny and silvery.
  • Leaves - Orange Crystals. Leaves have orange crystals clinging to the plant hairs. These orange crystals are most visible in the crown.
  • Leaves - Red Spots. Leaves have red spots on them.
  • Leaves - Residue, White. Leaves have a white residue on them.
  • Leaves - Ring Spot. Leaves have Ring Spot on them.
  • Leaves - Tighten in the Crown. Newer, smaller leaves in the center (crown) twist and grow to together, giving the crown the appearance of tightening.
  • Leaves - Tips Darken (Necrosis). Leaves darken on the tip. Tips appear brown in color.
  • Leaves - Tip Pale (Chlorosis). Leaves pale on the tips. Tips appear yellow in color.
  • Leaves - Trail, Mucus. Leaves have a mucus trail on them. The trail is shiny and silvery.
  • Leaves - Twisted. Leaves appear deformed or twisted.
  • Leaves - Water-Soaked Spots. Leaves have soft, oozy, "water-soaked" spots on them. Infected tissue at these spots may drop out of the leaves.
  • Leaves - Webs. Leaves have webs covering them.
  • Leaves - White Residue. Leaves have a white residue on them.
  • Leaves - White Specks of Cotton. Leaves have what looks like white specks of cotton clinging to them.
  • Leaves - White Spots. Leaves have white spots on them.
  • Leaves - Wilt. Leaves wilt. They may appear translucent brown with a soft, jelly-like consistency.
  • Leaves - Wilt in the Crown. Leaves wilt mostly in the crown. Other leaves may be affected, but the wilting appears predominantly in the smaller, young leaves of the crown.
  •   Navigation Arrows
    Begin New Diagnosis
    Doctor Optimara Main Page | Glossary of Violet Terms | Contact Optimara
    Pests, Pathogens and Cultural Problems (Complete List)

    Copyright 1999 Optimara/Holtkamp Greenhouses, Inc. Nashville, Tennessee. Doctor Optimara is a trademark of Holtkamp Greenhouses, Inc. Optimara and the Optimara logo are trademarks of International Plant Breeding, A.G., Switzerland.