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Whats eating my dendrobium?

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#1
manders

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I guess it has to be either snails or mice, not sure which or something else maybe?

Whole plant to get a sense of scale,
Posted Image

Some of the damage...
Posted Image

Edited by manders, 28 July 2012 - 14:28 PM.


#2
Richard Bunn

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Out of interest have you got it outside at the moment and if so how much light? I bought a nobile type hybrid in the spring and it's finally shoving out a new growth point so I figure I better get any light to it.  I'm not great with Dendro's. I do have a Phal that was given to me for valentine's day that still has the same flowers on it.  It was only a couple of weeks ago that they started to drop.

#3
manders

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Hi Richard, this is a kinganium or possibly a kinganium hybrid, and theyre one of the easiest dends to grow, will tolerate just about anything other than freezing.  Normally its either in the house or greenhouse depending on my latest whim, getting partial/full sun.

I have a nobile which i grow in partial shade with some sun under glass and it does okay, re-flowering now.

I also have quite a few miscellaneous deciduous dendrobium hybrids but find them quite difficult, most of them are growing plantletts rather than re-flowering, lack of correct winter conditions probably.  Dont think the UK suits many of these hybrids, your supposed to ripen the canes in winter sun, haha...

btw, i think the damage above must be mice, the canes are really hard and not much else could chew through them...

#4
Richard Bunn

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The plants under glass, is it an unheated greenhouse?

#5
manders

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In the summer yes, in the winter heated to min 10C.  Ive read they tolerate freezing but never tried as i grow them with the neps.

#6
Richard Bunn

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When I used to have an orchid house it was a 10c which is deemed as a coolhouse in the orchid world.  13c being intermediate and 18 being warm (or hot).

#7
Dicon

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Mark
many dendrobiums require cool dry winter rests, if you get keiki's instead of flowers, it is often due to commencing with watering too early, kingianum is a good example of this, and likes a frost free, maybe 5c dry winters rest, and NO WATER until flowering.

#8
will9

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I think it s a caterpillar that lives in the ground in your pot ,and came to eat at night ,this are 4 or 5 cm long and 0,5 cm tick dark brown,it s from a  little grey butterfly ,i not know the name,
Cheers Will

Edited by will9, 28 July 2012 - 20:27 PM.


#9
manders

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I keep my intermediates at min 10C as well.  Warm growers are in the house.

#10
bodaciousbonsai

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View Postmanders, on 28 July 2012 - 13:28 PM, said:

I guess it has to be either snails or mice, not sure which or something else maybe?

Whole plant to get a sense of scale,
Posted Image

Some of the damage...
Posted Image
I would personally put a saucer of beer about 2 inches deep next to the dendrobium. if nothing its a catapillar. if you see slugs the beer will deffiantly kill them.