Brown rot on cymbidium??
I am new to this forum. I live in the San Francisco Bay Area. I just started growing orchids, bought some 6 cymbidiums, 5 phalaenopsis, two hybrids. I'm trying to teach myself how to grow them succesfulyy by reading and surfing the web for information. I think I need help from anyone who have more experience. My cymbidiums have black spots on the leaves and wet brown underneath. I think they are brown rot. The only fungicide I could find was Daconil. Can I use it? Should I cut off the infected leaves and saturate the healthy ones with it? Some fungicide mentioned was Physan and Captan but they are not available locally. where can I find them?
Another problem I got is the yellowing of the stem of one cymbidium. Is this normal?
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