Category Archives: Disease

Repotting the orchids with old media

 I have been repotting many of my orchids lately.  This efforts was recommended by Ray Barkalow in an email exchange, where he recommended repotting the orchids to change out the “salty” pellets that had accumulated because of my over fertilizing … Continue reading

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Insecticide — I finally did it

I finally decided that my bug problems were bad enough that I needed to take some stronger steps.  The bug problem started with my Dendrobium Victoria-Reginae, and has spread around the orchid room from the east-facing lower shelf to the west-facing … Continue reading

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Dendrobium Victoria-Reginae and Bugs

My Dendrobium Victoria-Reginae has been in the master-bath shower now for more than a month, and it still has bugs.  It keeps blooming, so it likes the location, but each time new buds appear, they are covered with bugs almost immediately. … Continue reading

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Salt buildup on my orchids

 I did some searching on the web last night and have come to the conclusion that I am doing a couple of things wrong with my watering.  First, I may be using too much fertilizer.  I have wondered about the … Continue reading

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Dendrobium Victoria-Reginae — New Growth and Bugs

My large Dendrobium Victoria-Reginae has been blooming nicely, with light blue flowers that turn purple before they wither and fall off.  Yesterday, I noticed that there are a few canes with new buds, and there will be a second set of … Continue reading

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First use of Physan

Today was my first use of Physan, a fungicide that has many uses in the orchid room.  I mixed up a solution of 1 tsp per gallon of water and sprayed it on two of my orchids: My Dendrobium Unicum, … Continue reading

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Mealybugs II

Found Mealybugs again on my Wilsonara Wicked ‘Red Head’ on two blooms near the top.  I sprayed the plant on two consecutive days before placing it back in the orchid room.  Jon Watterson told me that three applications of insecticidal soap … Continue reading

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