[NAFEX] grape callusing
colleendaly at videotron.ca
Sat Feb 16 12:22:54 EST 2008
When I prune my grapes I keep some cuttings - perhaps 12-16 inches
long. I cut one end on an angle, deep into into rooting powder (for
hardwood cuttings), then
make a hole in the soil that I have put in a gallon pot and stick
about 6 inches below soil level. I keep the soil moist and I get about
60 -75% success rate (I put
about 6 - 8 cutting per pot). I prune in March/April and prepare the
cuttings soon after; if it is still freezing hard I bring in the potted
cuttings and put them out later.
Gatineau, Quebec zone 5
Ginda Fisher wrote:
> Mark, every spring when I prune my canadice grape I put a few one foot long
> lengths of vine into two small vases on my kitchen windowsill. I've done
> this for about 5 years now, and I think 100% of them have sprouted leaves
> above the waterline, and grown callus and then roots below the waterline.
> Maybe canadice is just especially easy to root. I've never tried any other
> grape. But that's my suggestion - put it in a vase and wait for roots.
> eastern mass, zone 6
> ...... Original Message .......
> On Fri, 15 Feb 2008 08:23:18 -0700 "Mark and Alisha Fehringer"
> <markandalishafehringer at peetzplace.com> wrote:
>> I am trying to callus a small group of grape cuttings as a 'practice run'
> for a larger group I will be doing this spring. The cuttings were well
> hydrated. I dipped them in rooting powder and planted them in potting soil
> in a 1 gallon plastic pot and used a heat lamp to maintain a soil
> temperature of 80-85 degrees. After several weeks there wasn't any callus.
> I put them back in the heat for another week or two, and still no callus,
> but green buds are pushing out. Can the cuttings essentially rot before
> they callus when in soil? Would it be better to use something more sterile
> like perlite? My intention was to let them callus and root directly in the
> pots, and I could plant them in their permanent location this spring. What
> would happen if the ends of the cuttings were clipped a little shorter to
> expose fresh cambium and start over?
>> Northeast Colorado
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