The Orchid Doctor Articles under the Heading Leaf Blight

Leaf Blight Comments
LEAF BLIGHT: Also Known as Leaf Die-back, Tip Burn Caused by fungus invasion; spreads gradually through leaf; cut it out before treating; infected areas show watery before drying; control with Benlate, or Anti-Damp, or Tersan. RMH 0
LEAF BLIGHT: Pythium Splendens A water mold; shows as a round chestnut brown spot often at the edge of the leaf; enlarges rapidly and turns black and the area dries and thins; cut it out; apply Tersan to the whole plant; reduce watering. N318 0

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