Orchid related questions, answered by AOS experts.

Note the specific times below if you wish to watch or listen to those topics.

04:34    Cymbidum leaf problem. Turn yellow, fall off, bud drop, dehyrdration
09:46     Cattleya  circospora fungus,  Thiomyl
13:43    Zygopetalum problem – lost its leaves, dehydration, watering, when to repot
16:45    Cattleya sepals curling under - Dehydration, low humidity
19:15    Dendrobium leaf problem, dehydration
21:18     Epicattleya lead problem – leaves shiny and sticky, gatation sooty mold
24:20    Cattleya (syn Laelia) pereinii culture
26:54    Dendrobium leaf problem – browning, stunted leaf,  low humidity, dehydration
28:05    Australian Dendrobium leaves turn yellow, brown, top of canes yellow, fungus
30:47     Potting bare root plants from Ecuador, disinfecting, quarantine questions
35:21    Phalaenopsis leaf spotting fungus, leaf trauma, fungus
37:37    Spiders – beneficial insect? , pest
39:05    Cattleya light percentage shade cloth for Florida
41:20    Mounting orchids, materials to use, orientation
47:35    Sour smell on mounted orchids , rot
50:30    Physan uses, fungus
53:15    Cattleya in plug trays -  how moist should I keep them, watering