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[nafex] Prunus mahaleb "Pontaleb"®
After is a translation from France, may be Claude could correct it if
necessary
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Prunus mahaleb ( Saint Lucie) is the object of an important work for several
years at the INRA of Bordeaux (France). Selected within Prunus mahaleb
seedling's in 1960, introduced in 1967, the clone SL 64 is used for several
decades; it gives satisfaction as stock of medium vigor, and it is at present
the rootstock of cherry tree the most multiplied (150 000 a year in France).
Several generations of self-fertilization realized from self-compatible
Prunus mahaleb specie allowed then the relesead of a new rootstock: PONTALEB
®(cv. Ferci) , recently proposed to the french orchardists.
Besides been easily propagate by sowing for nurseryman, it also presents
homogeneous trees in the field and give recognized superior productivity
(yield)for the orchardist (100 000 trees sold last year in France).
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There is no allusion to frost hardiness. I supposed it can withstand -4°F
(-20°C) one of the coldest temperature for France.
Jean-Luc CARRIERES
NAFEX - France -
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