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RE: [nafex] Planting Grafted Trees
Don,
Last
year, I had ordered several benchgraft trees on Bud 9 from Bear
Creek. Several of them had scion wood that did not take. I ordered
more scion wood and tried my hand at chip budding. One bud took, but has
still not sprouted. The others fell off and now I have Bud 9 trees
growing. Do I just allow them to grow this summer and try again at bud
chipping this fall? My thought was to make a stool bed, create more
rootstock plants to transplant into my orchard, then starting scion wood
grafting the following year. Surely you or someone out there has run into
this opportunity before.
Thanks
for your help,
Brian
Sheridan, IN where I'm about a month away from my
first batch of strawberries!
For Waite Maclin:
Planting out grafted trees is a bit more complicated than just
leaving the
graft 1-2 inches above the soil line, and I am surprised
this aspect of
propagation was not covered in your grafting class. BTW,
what
rootstock were you grafting on? This could influence how you want
to
plant to achieve the final desired tree. Let's assume that you
were
using a "semi-dwarf" rootstock such as M-7:
1. 1-2 inches
above the soil like is none too much to leave if you want
to avoid scion
rooting. Planting holes often subside with time and
rains, especially
if you are adding some organic material (such as peat)
to the planting
hole. If you subsequently mulch your trees, you could
also cover the
graft. If you want a full-size standard tree, and have
room for it,
just bury the graft. I generally shoot for 4 inches above
the soil
line, or more, when planting out trees on M-7 to achieve the
desired size
control.
2. The length of rootstock stem between the soil line
and the graft
will influence the final size of the tree. The more
rootstock stem
exposed, the greater the degree of dwarfing induced by the
rootstock.
Of course, your ability to make these adjustments at planting
depends on
how high you placed the grafts on the rootstock stem. Your
grafting
instructor probably saw to it that you placed them at least 4-5
inches
above the point where roots actually begin on the
stock.
3. I believe that the influence of exposed rootstock stem
on the size
of the tree is even more pronounced with fully dwarfing stock
such as
M-9, M-26 and M-27. Someone like Ed Fackler who has worked
with these
things professionally would be able to tell you for sure, but it
would
be helpful to know what rootstock you have, and how high you placed
the
grafts on the stems.
Rgds, Don Yellman, Great Falls,
VA
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