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- From: gwv@eastrg2.cray.com (George Vandenberghe)
- Subject: Re: Leafs deformed?
- Message-ID: <1992Nov17.153029.16983@walter.cray.com>
- Lines: 44
- Sender: gwv@eastrg2 (George Vandenberghe)
- Nntp-Posting-Host: eastrg2-gate.cray.com
- Organization: Cray Research, Inc.
- References: <klloyd.722027193@convex.convex.com>
- Date: 17 Nov 92 15:30:28 CST
-
- In article <klloyd.722027193@convex.convex.com>, klloyd@convex.com (Ken Lloyd) writes:
- |> Recently some of my houseplants have started to
- |> show intermittent deformity in the leaves. Some
- |> start to curl at the tips, some make a complete
- |> 90 degree turn on the horizontal axis. Some just
- |> curl completely up like, for a lack of a better
- |> description, like a child's craft project where
- |> a strip of paper is curled by scraping scissors
- |> down one side only. I had a water analysis sent
- |> to me and the water was very hard so I started
- |> using distilled water. I have used the standard
- |> garden variety of plant food (rapid gro, miracle
- |> grow). That didn't seem to help. I have even
- |> tried a complete nutrient answer (hydroponic mixes)
- |> . I recently had a serious power problem and the
- |> light company said I had a bad arcing problem
- |> on the pole which was causing very short light
- |> bulb life and voltages spikes to 146.8 Vac inside
- |> the house. I was thinking that maybe UV was being
- |> generated by a type of spark gap situation outside.
- |> The problem doesn't seem to be any better though.
- |> The plants seem healthy enough aside from this,
- |> bright green and healthy turgid leaves. Any suggestions
- |> would be appreciated.
- |>
- |> Thanks,
- |>
- |> Ken Lloyd
- |>
- |>
-
- I can think of three things.
-
- 1. You may have a source of ethylene gas. If you store apples or
- other fruits near the plants you might ger enough for this kind
- of damage. However a much more dangerous possiblilty is
- a gas leak or a leak in an oil, wood, or coal stove or furnace. If you have
- such appliances get them inspected immediately because you may also
- have a source of carbon monoxide.
-
- 2. You might be overfertilizing.
-
- 3. You might have aphids or mites. These can cause leaf curling you
- describe.
-