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Free rose Ph.D. Thesis

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Posted by henry_kuska z5 OH (kuska@neo.rr.com) on
Mon, Jul 28, 14 at 0:14

I debated whether to post this here or in the propagation forum. I feel that the historical section and possibility a number of the other parts (including pictures) may be of interest to some of the more serious rosarians so I am posting the link here.

http://eprints.hec.gov.pk/8123/1/1631S.htm

Here is a link that might be useful: link for above

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RE: Free rose Ph.D. Thesis

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Thanks Henry - I thought there was a lot of useful/interesting information in the thesis.

This I don't understand. We're supposed to soak the hips or seeds in sugar water???

Germination medium having 15% sucrose proved very effective for optimum
germination results as compared to 10% and 20% sucrose

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Also - this is a very basic question. Am I supposed to PULL the stamens (or anthers - I can never remember the name of the male tubes). I tried last summer to hybridize, and I CUT the stamens/anthers. I got no germinations, but I did get seeds within the hips.

I DID get two plants to germinate and they're growing right now in pots BUT they were from rugosa hybrids that had SELFED hips left to ripen on the bush. In other words, I didn't do anything but gather the hips.

Thanks for the thesis and for the help,
Carol

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RE: Free rose Ph.D. Thesis

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Hi Carol,

The pollination germination studies were not for applying the pollen to the flower, but to determine, using a microscope, whether a certain pollen is fertile.

Whether you pull or cut off the anthers is probably just a personal preference. If you are planning on using the flower that you removed the pollen from as a mother, I would expect that cutting would possibly be better as I assume that pulling could slightly damage the hip surface and could be a potential point for fungus entry. I use tweezers and pull the anthers off.

My rose hybridizing information is at:
http://home.roadrunner.com/~kuska/

Here is a link that might be useful: link for above

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RE: Free rose Ph.D. Thesis

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Thanks Henry!
I'm going to check out your info.
Carol

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