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Mandevilla varieties x M. laxa for improved cold tolerance?

Posted by greenfrog VIC Australia (My Page) on
Fri, Feb 1, 08 at 1:35

I really love the beautiful flowers of all types of Mandevilla, but unfortunately for me the only one I've found capable of surviving outdoors year round in my climate is Mandevilla laxa. So I was recently wondering if anyone has ever tried crossing this with any of the other varieties with the aim of introducing improved tolerance to cold into the progeny? Is this possible/worth trying or not?
Would like to hear peoples opinions on this, especially if you could explain why it won't/might work out and any ideas that might increase the chances of success.

Follow-Up Postings:

RE: Mandevilla varieties x M. laxa for improved cold tolerance?

I don't know anything about Mandevilla, but it ought to work. First you cross M. laxa with another Mandevilla. Seeds are collected.

The resulting hybrids are grown, and self-pollinated. Seeds are collected.

Now this generation of plants can be tested for cold tolerance. You would want to expose them to enough cold to kill off most, but not all, of the plants.

Hopefully, from these plants you can further develop the cold tolerance and other traits that you want.

RE: Mandevilla varieties x M. laxa for improved cold tolerance?

does anyone know how to cross pollinate mandevillas?

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