----- Original Message -----
Sent: Thursday, August 26, 2004 4:28
PM
Subject: Re: [NAFEX] cold hardy
Passiflora
Hmm, I was just reading about this not more than
two hours ago. We must be on the same wavelength. I have about 4 acres of
rampant Maypop vines. I have noticed lots of fruit the last couple of weeks,
but I have not tried any yet (probably not ripe yet). I was curious what they
could be crossed with to tone down the weediness a bit.
It seems that Passiflora easily cross hybridize.
However, hybrids produced by crossing the hardy species with the tropical
species are usually sterile. Some attempts have been made to restore fertility
by chromosome doubling with colchicine to breed them at the tetraploid
level.
This topic has come up on NAFEX before. Here is a
link from the archives that may be of interest.
Hal Love
z6b, TN
----- Original Message -----
Sent: Thursday, August 26, 2004 3:41
PM
Subject: [NAFEX] cold hardy
Passiflora
Maypop (Passiflora incarnata) is
a cold hardy relative of the tropical passionfruit (Passiflora
edulis). I have seen maypop growing around town, although it is not
native here. Is anyone aware of any attempts to crossbreed these two
species? I found reference to Passiflora x. colvilli which is
supposedly a hybrid of maypop and a tropical passionfruit, but I have been
unable to dig up any sources for this plant. On a related note, is
there anyone that has access to both species that would be interested in
trying this cross?
-Mark
Lee, Seattle, zone
8a
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