The Orchid Doctor Articles under the Heading Petal Blight

Petal Blight Comments
PETAL BLIGHT: Botrytis It is common during cool, damp weather, with poor air circulation; most harmed by it are cattleya and phalaenopsis flowers; destroy all infected blossoms quickly, spray with benomyl (Benlate 50W) at Ittpg,, or Physan at ittpg. AH86-90 0
PETAL BLIGHT: Botrytis cinerea It is confined to older flowers during cold damp weather; it is most common on various genera; small, circular spots often bordered by a delicate rim of pink; the imperfect stage Botrytis cinerea is the most destructive; destroys flowers; spray with Benlate 50WP at 1 ttpg. 30 days apart; also spray flowers just prior to opening. BU43 0
PETAL BLIGHT: Caused by Fungi Other Than Botrytis 16 other fungi have been found as causes; many are saprophytes living on decaying leaves, flowers, potting mixes; all such must be removed from under benches and bench tops; periodical spraying of floors, walls, ceiling and plant foliage with fungicide such as Captan, Actidione, Nabam, Zineb, Maneb, Ferbam, etc. is necessary; use Nystatin or Natriphene on cut flowers. A66-107; AH35 0

New Topics

  1. Pam Alexander asked question How to repot a Mattie Shave in category General Discussion
  2. Rae Walker asked question Name help in category General Discussion
  3. John Small asked question Schomburgkia, species or hybrid in category General Discussion
  4. Robert H. Findlay asked question Help with ID of this Eria sp. in category General Discussion
  5. Osura Mindula Gunasena asked question Help to Identify the Id of this Vanda in category General Discussion

New Comments

  1. Frank Cambas commented on member plant Zns. Cynosure var. Blue birds by Ben MG
  2. Robert H. Findlay commented on topic "Lady Bug or dangerous bug" by John Small
  3. Robert H. Findlay commented on topic "Help with ID of this Eria sp." by Robert H. Findlay
  4. Carol Holdren commented on topic "Name help" by Rae Walker
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  6. Sara D commented on member plant Den. Green Mist by Sara D
  7. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D
  8. Sara D commented on member plant Pot. Marie Yellow Bird var. Love Love by Sara D
  9. Carol Holdren commented on topic "Help to Identify the Id of this Vanda" by Osura Mindula Gunasena
  10. Carol Holdren commented on topic "Care for Myl Quest Fanguito " by Maricarmen Ferreira