The Orchid Doctor Articles under the Heading Damp-off

Damp-off Comments
DAMP-OFF: Caused by Water Mold Pythium Ultimum The enemy of community pot plantings; makes seedlings turn watery; spray pots with Physan Anti-Damp or Natriphene monthly; it also attacks mature plants; high humidity and high temperatures favor it; causes streaked, blackened tissues which exude water on pressing; cut out rot; soak plant in fungicide; let dry and treat with Tersan. A73-813; spray with Truban at 1 to 1.5 tpg. OWD 0
DAMP-OFF: Control Spray Captan at 1 ttpg., or PCNB (Terraclor) at 1 ttpg. as pot drench; also Chinasol, oxyquinoline benzoate (Wilson Anti-Damp), or sodium-o-phenylphanate (Dowicide Ai, Natriphene, Sopp, or Topane) in 1:2,000 solution; drench. F71(2)24 0
DAMP-OFF: Of Seedlings, Control Mix 1 teaspoon Truban and 2 teaspoons Benlate per gal. of water; will control all forms of damping-off; Benlate alone misses one of the most common forms. A73-1081 0
DAMP-OFF: Seedlings Drench seedlings removed from flask every two weeks with Physan 20, 1.5 tpg.; or, Shield, 1 ounce to 4 gals, water. BU11 0

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