[NAFEX] Do plum trees (specifically Mount Royal) tend towards beingbiennial ?

Claude Jolicoeur cjoli at gmc.ulaval.ca
Wed Oct 7 21:12:19 EDT 2009

I also find my Mt-Royal quite irregular in cropping - it makes huges crops
about once in 4 years, some years of light to medium crops, other years of
almost no crop.
The crop also depends on the curculio pressure - Some years, there are many
flowers, but curculios get the most of the crop and the plums drop before
maturity - this even if I spray Surround. And other years, it's the racoons
that get the crop before I have time to harvest it! 
2008 was a great year and I harvested 35 kg from this tree - I couldn't use
all of it! This year I got about 5 kg.

Claude Jolicoeur

A 17:23 09.10.07 -0400, vous avez écrit :
>    Hi,
>          Last year my Mount Royal had tons of very tasty fruit. This 
>year there were only about 30 blossoms in the spring and no fruit made 
>it to maturity.
>    Do plum trees in general and Mount Royal in particular tend to be 
>biennial? Thanks.
>             Peter Drevniok, Gatineau, Quebec zone 4a

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