rooting Rosa sericea f. pteracantha

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• To: s*@eskimo.com
• Subject: rooting Rosa sericea f. pteracantha
• From: S* D* <r*@pobox.upenn.edu>
• Date: Tue, 7 Jan 1997 13:38:05 -0500 (EST)
• Resent-Date: Tue, 7 Jan 1997 10:38:17 -0800
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If we can collectively figure out how to reliably root this plant it would
be great.  At Morris Arboretum we have an individual which was originally
wild-collected and has especially large, magnicent thorns.
So far:
        successes:  Cuttings taken 5-17-91, placed in mist
        0.1% IBA talc, 15 cuttings, 2 rooted
        1,000 ppm K-IBA in water, 15 cutting, 6 rooted

        failures:  Cuttings taken 7-24-91
        Woods 1:9 water
        0.1% IBA talc

        Cuttings taken 6-18-90
        5,000 ppm K-IBA

Some strategies to consider in future:

Take cuttings when really soft.  I might try two weeks earlier.  
I am now using IBA in propylene glycol.  I haven't tried that yet.
Use prop media of 70% perlite: 30% peat for good drainage.
Since then I have new mist nozzles, which are very fine droplets. 

Shelley Dillard
        

• Re: rooting Rosa sericea f. pteracantha
• From: Duncan McAlpine <dm2477@lab3.ca.boeing.com>

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