North American Fruit Explorers mailing list at ibiblio

[franc@oregonfast.net]

I concur.
I would use only M111 as the root stock here on the Oregon coast if I had to 
do it 
over again.
The M111 does not get very large here either.
The interstemming makes the trees really too small for ant fruit production.
Sam

On 30 Mar 2002 at 13:15, HDessureault wrote:

> Hi Chris,
> You have not indicated your climate zone, so it is difficult to comment on 
> your question.
> 
> The M111 characteristics, beside 2/3 standard, are a good adaptation to 
> sandy 
> and dry conditions, as well as hardiness.
> 
> It is believed that in my zone 3-4, M111 does not attain 2/3 standard size, 
> so 
> there would be no reasons to interstem with M9. (I am presuming you used M9 
> to 
> reduce the size.) This is what the books recommend, and I think it would 
> apply 
> to a zone 6-7.
> You also have to consider hardiness, while M111 is very hardy, M9 is not. 
> From 
> the point of view of hardiness, M9 would be the weak link, but maybe M111 
> would impart more hardiness to M9, if the interstem was not too long...
> The final size of a tree on M111 depends on the climate and the varieties 
> of 
> apple grafted. To give you an example, after five years on M111, some of my 
> trees are twice the size of their neighbours and it seems to be mainly due 
> to 
> the variety grafted from the point of view of the hardiness and the vigour 
> of 
> the variety. My worst case of nanism is a Norland (not vigorous but very 
> hardy) grafted on M111 which flowered last year and is barely 3 feet high 
> (at 
> 4 years growth) (Norland is a variety that is said to be small and I cannot 
> find anything wrong with the tree except that it is awfully small) while my 
> best case of vigour is almost 8 feet (at 5 years growth).
> Small trees are popular nowadays because the trees are easier to take care 
> of 
> and the fruits easier to pick.
> But most of all, you want the trees to grow and I was force to come to the 
> realization in zone 3-4 that larger trees are better than none.
> Hypothetically, if M111 is under M9 and M9 is allowed to root (planted 
> under 
> ground level), the characteristics of M111 (hardiness and good production 
> in 
> dry conditions) would not be loss, of course, but would complement the M9 
> characteristics in a complex manner which is hard to predict.... 
> I would plant the interstem union M111-M9 below ground level with some M9 
> out 
> of the ground and the variety above, but not too far.
> Good luck,
> Hélène
> 
> 
> 
> [Non-text portions of this message have been removed]
> 
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