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nadianadia_gw

Hybridising Questions

nadianadia
18 years ago

Ok this is my understanding so far: old rose varieties that grew naturally reproduce naturally and are true to seed. Plant seeds from the rose hip and you get the same plant. But you could through breeding eventually get hybrids that have this stability.

Hybridised varieties: if you plant the seed they may not be true to the parent plant and you can end up with a different rose through cross pollination or whatever inheritance is in the genetics through the breeding line. Anything more complex than that is probably out of my league. So with open pollinated seeds you can learn what the parent rose might endow its offspring with. They say (speculate) that you can't get a truly different rose this way? Have there been any? http://www.helpmefind.com/rose/ezine.php?publicationID=596&js=0amp;PHPSESSID=9c694d525f1cb21bb1451377b19bfb88 for a bit of inf on this method.

So in short if I plant my rosehip seeds I'm likely to get seeds that have cross pollinated with some of the other roses around the place?

On bigeneric Hybrids: http://www.rdrop.com/~paul/main_july2001.html Jack Harkness crossed the rosa genus with the Hulthemia species, which are said to be very close to the Rose species. ooh red centers...the latest crosses are very nice. If you cross species like that are they infertile and is he doing the breeding as pollen parents? How did Jack Harkness get the cross in the first place? Do you really have to look for plants in different genus's with a similar genetic makeup? Are Harkness's plants still technically roses?

http://forums.gardenweb.com/forums/load/hybrid/msg1214135122725.htmlfor a very interesting convo on what genus's might cross as hybrids. So my next question is which genus's are similar enough in strain that people are looking at trying to hybridise them with roses?

If you hybridise from a patented rose are there problems with that?

Actually I just randomly thought that it would be nice to have some of our native flowers cross with roses - surely we have some that are in that rosa genus or closely related or is that too far removed from possibility?

Yes I wonder why I'm thinking about this when just getting them to flower is a technical challenge, but there you go.

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