Cutting Back Frosted Vine Canes
Vines have been badly injured by the late frosts, especially the young
vines which were out the most. Is there anything to be done with the
injured shoots now on the vines so as to help the prospects of a crop?
If shoots are only lightly frosted they should be cut off at once as low
as you can detect injury. This may save the lower parts of the shoot,
from which a later growth can be made. Frosted parts ferment and carry
destruction downward, and therefore should be disposed of as soon as
possible. Where vines have run out considerably and badly frosted, the
best practice usually is to strip off the frozen shoots so as to get rid
of the dormant buds at the base, which often give sterile shoots. A new
break of canes from other buds is generally more productive.
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