North American Fruit Explorers mailing list at ibiblio

["Ernest Plutko" <ernestplutko@wiktel.com>]

You're right, Pete.  The canes with white buds are much thinner than
the regular thick canes.  They are growing from the crown.  I didn't
know about this before.  Illini Hardy has fearsome thorns and my
hands got scratched up pretty good today.     Minnesota zone 2-3

---- Original Message ----
From: pete_tallman@hotmail.com
To: nafex@lists.ibiblio.org
Subject: RE: [NAFEX] Illini Hardy
Date: Mon, 21 Jul 2008 08:07:33 -0600

>
>The new Illini canes with flowers forming sounds like what is called
>by Harvey K. Hall a "Crown Lateral". It's a fruiting lateral
>originating near the crown. It looks rather like a primocane coming
>up for the year, but it flowers and overwinters as if it were a
>fruiting lateral. It happens to my black raspberries sometimes if
>most of the floricane is damaged or cut before growth starts in the
>spring. The only real test I know of to differentiate crown lateral
>vs. fruiting primocane is to wait for next winter. If the cane dies
>over the winter, it's a crown lateral. If the cane survives the
>winter, it came up as a primocane. In the case of flowers are forming
>on a non-primocane-fruiting variety like Illini, then it's likely to
>be a crown lateral. Ripening season for crown lateral berries falls a
>few weeks later than the end of the floricane berry ripening season.
>I've heard of a few growers using the effect intentionally by mowing
>off the canes in the spring to get off-season b
> lack raspberries, but I have not heard of it being exploited for
>blackberries.
>
>Pete Tallman
>Longmont, CO, zone 5 or so
>
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