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11) Penstemon and other Scrophulariaceae
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ALBINO P. jamesii
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Topic: ALBINO P. jamesii (Read 542 times)
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Barbara Weintraub
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Me with dog.
ALBINO P. jamesii
«
on:
June 03, 2010, 10:49:37 PM »
The native Penstemon on my property is P. jamesii. A white one started opening today. It is quite striking and I'd like to propagate it. Does anyone have experience self-fertilizing penstemons? Should I isolate it with shade cloth? Try fertilizing it with a paint brush? Am I likely to develop a white seed strain? Should I just let the bees do their thing?
I've noticed that some Penstemons aren't self-fertile, so am apprehensive about interfering in the process.
Thanks!
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Barbara Weintraub
Santa Fe, New Mexico, USA
6700 feet elevation - high and dry
nominally zone 5b; i think it's closer to 6a
McDonough
The Onion Man
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Re: ALBINO P. jamesii
«
Reply #1 on:
June 03, 2010, 11:11:41 PM »
Quote from: Barbara Weintraub on June 03, 2010, 10:49:37 PM
The native Penstemon on my property is P. jamesii. A white one started opening today. It is quite striking and I'd like to propagate it. Does anyone have experience self-fertilizing penstemons? Should I isolate it with shade cloth? Try fertilizing it with a paint brush? Am I likely to develop a white seed strain? Should I just let the bees do their thing?
I've noticed that some Penstemons aren't self-fertile, so am apprehensive about interfering in the process.
Thanks!
Very cool that a white form has shown up for you, one of the more fun aspects of gardening! The first thing I'm thinking, I'D LOVE TO SEE A PHOTO of your white form :-) (hint hint). I guess I'd let the bees do the work, they're pretty good at it, but collect all seed from the white-flowered plant, then make it a point to sow and grow it on, to see if you get white-flowered progeny and what percentage of such. After a few years, you might have enough of the white-flowered strain, to single it out or get it into the hands of a nursery person, or whatever.
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Mark McDonough
Massachusetts, USA, near the New Hampshire border USDA Zone 5
antennaria at charter.net
http://www.plantbuzz.com
Hoy
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..Always Look on the Bright Side of Life...
Re: ALBINO P. jamesii
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Reply #2 on:
June 04, 2010, 04:08:56 AM »
I'll bet that the white trait is recessive so the progeny (F1-generation) will not be white since they are heterozygotic unless you have self-fertilized the white one. But crosses between the F1 plants even if they are colored should yield about 25% white maybe, and they should be homozygotic and breed true.
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Trond
Rogaland, Norway - with cool, often rainy summers (29C max) and mild, often rainy winters (180 cm/year)!
Barbara Weintraub
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Me with dog.
Re: ALBINO P. jamesii
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Reply #3 on:
June 04, 2010, 10:33:51 AM »
Photos coming! I still use film that then has to be digitized. It is very pretty, but then I love the flower size to plant size ratio of this one.
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Barbara Weintraub
Santa Fe, New Mexico, USA
6700 feet elevation - high and dry
nominally zone 5b; i think it's closer to 6a
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