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#1
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leaf dieback on newly deflasked orchids
I deflasked a flask last week and noticed today that the leaftips of
the plants are begining to look off colour like they in the process of a dieback. Is there any way to save these plants from complete dieback? I did put them into a solution of fungacide before I potted them up, but that does not seem to have stopped the tip problem. -- Gideon Singer In Beautiful Vancouver BC |
#2
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leaf dieback on newly deflasked orchids
I deflasked a flask last week and noticed today that the leaftips of
the plants are begining to look off colour like they in the process of a dieback. Is there any way to save these plants from complete dieback? I did put them into a solution of fungacide before I potted them up, but that does not seem to have stopped the tip problem. -- Gideon Singer In Beautiful Vancouver BC I know this is a common practice, but I always wonder what it is one is treating when they subject poor little seedlings out of flask, where they were in a sterile environment, to a potentially toxic fungicide. I would suspect that the changes you are seeing in the leaves this early are the results of toxicity to the fungicide, and I doubt there is anything one can do other than hope they will recover on their own. In 30 years of growing orchids I have deflasked a lot of seedlings, and have never treated any of them with anything-no insecticides, no fungicides, no root hormones, nothing-other than placing them in a small enclosure of their own for a short period of time to maintain humidity until they are established. The results do not seem to indicate a change from this practice. |
#3
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leaf dieback on newly deflasked orchids
Wilford,
I agree 100% with you. Subjecting newly deflasked seedlings fresh out of the flask to fungicide is pure torture to the plants. Mick HBI, Producers of Fine Orchids in Flask www.OrchidFlask.com -------------------------------- |
#5
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leaf dieback on newly deflasked orchids
This practice will cease forthwith! Thank you for a quick reply on something that I should have thought of before. My deflasking experience consist of exactly one flask, but . . . The person I purchased the flask from recommended using a fungicide when deflasking. Also, since the flask was shipped through the mail, it arrived in a jumble. I figured the mildest fungicide possible would be a cinnamon powder extract made with plain water (rather than alcohol). A worst it did no harm. deg |
#6
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leaf dieback on newly deflasked orchids
On Tue, 4 Mar 2003 00:30:01 UTC, Dewitt
wrote: This practice will cease forthwith! Thank you for a quick reply on something that I should have thought of before. My deflasking experience consist of exactly one flask, but . . . The person I purchased the flask from recommended using a fungicide when deflasking. Also, since the flask was shipped through the mail, it arrived in a jumble. I figured the mildest fungicide possible would be a cinnamon powder extract made with plain water (rather than alcohol). A worst it did no harm. deg Intresting enough I have deflasked other orchids with the water based fugacide method and it did no harm, but it all depends on the orchids, I guess, and the type of leaves they have. The orchid affected this time is a Encyclia cochleata 'Pacific Spirit' x 'Athena'. I am just hoping that the plants recover soon. -- Gideon Singer In Beautiful Vancouver BC |
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