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Organic Gardening - Flowers, Fruits, Vegetables

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uses for CDs? [Dec. 30th, 2011|12:59 pm]
Organic Gardening - Flowers, Fruits, Vegetables

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I've heard of (and seen) people hanging strings of old CDs around fruit trees to protect the fruit from birds - the reflections are supposed to scare them off.  Does it work?  How thickly do they need to be strung?  How high/low would they need to be to protect the tree top-to-bottom?

Also, has anyone tried placing an old CD (shiny side up) as protection around a veg seedling?  For example, a squash or melon?  I ask because silver reflective mulch is supposed to reflect light onto the undersides of leaves and deter some pests - would a CD be sufficiently reflective?  Could it also work as a sort of cutworm collar?
The CD-around-seedling idea is just one that came to mind this morning; I'm not sure if it would be at all useful.  I don't see references to such an idea online, so figured I'd ask if anyone had tried such a thing.
Possible drawbacks that come to mind:  not water-permeable, so would create a dry zone; contains silver...although hopefully that can't leach out and is only a problem if it melts; could get splashed with mud and then wouldn't be reflective anymore; slugs might hide on the underside.  Thoughts?
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[User Picture]From: permavultur
2011-12-30 10:32 pm (UTC)
Yeah, I've watched old timers place shiny materials underneath plants (can't remember what this deters), around vulnerable stems (think squash vine borer), and hung on strings at varying height near plants. Some bugs hate the bright light, others hate the movement, and others are afraid of their own reflection. CD's I think would have a tendency to constrict the plant if it were to grow through the hole, but you could use halves. (I'm assuming these CDs aren't important to you in any way.) Your only risk is that you might lose wayward CDs in the soil, and sunlight does begin to break down plastics which could then leach into the soil. Aluminum foil and Mylar work, too.
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