Lilies forum→Hybridizing Lilies

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Name: Rick R.
Minneapolis, MN, USA zone 4
I was one of the first 300 contributors to the plant database! Garden Sages The WITWIT Badge Garden Photography Region: Minnesota Hybridizer
Seed Starter Plant Identifier Million Pollinator Garden Challenge
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Leftwood
Mar 31, 2019 7:21 PM CST
And some more wisdom she imparted at the dinner "after party"...
We were talking about styles and pollenation with incompatible pollen. For instance, L. concolor styles are very short, so its pollen would only need to grow a short tube down the style to do its job. And therefore, I reasoned, the pollen likely doesn't have the propensity to grow long pollen tubes because it would never need it. I thought this was why some hybridizers cut the receptor styles short, so the male gamete from a naturally short style species could get to the egg with a short pollen tube, even though the pod parent naturally has long styles.

Not so!

My theory, that different species pollens have varying propensities to grow different length pollen tubes, is rubbish. (Judith didn't say it that way, of course.) The problem of pollen tube growth (if there is one), is again one of incompatibility, but between the pollen and the style itself. A pollen tube is not programmed genetically to need to only grow a certain length. Judith said that if the pollen and style are compatible, the tube will keep on growing and growing to its destination, whether or not the pollen parent species has a short or long style.

She has watched and studied pollen tube growth under different circumstances many times under the microscope. (Would we ever think differently of her?)

So, while the ultimate length of an incompatible pollen tube might vary depending on multiple factors, the "cut a style in half" practice is only guesstimated conjecture. If you really want the best chance of getting the job done, cut the style really short.
When the debate is lost, slander becomes the tool of the losers. - Socrates
Name: Tracey
Wisconsin (Zone 5a)
Forum moderator Hybridizer Tomato Heads Pollen collector Hosted a Not-A-Raffle-Raffle Cat Lover
I was one of the first 300 contributors to the plant database! Plant Database Moderator Charter ATP Member Garden Photography Seed Starter Region: Wisconsin
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magnolialover
Mar 31, 2019 7:34 PM CST

Moderator

I also learned that my favorite color lilies, the pink ones, have the highest genetic markers for virus susceptibility.
Tracey
Name: Joshua
Melbourne, Victoria, Australia (Zone 10b)
Köppen Climate Zone Cfb
Region: Australia Bookworm Cat Lover Lilies Orchids Irises
Seed Starter Annuals Container Gardener Garden Photography Forum moderator Avid Green Pages Reviewer
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Australis
Mar 31, 2019 7:57 PM CST

Moderator

Fascinating info! Thanks for sharing, Rick and Tracey.
Plant Authorities: Catalogue of Life (Species) --- International Cultivar Registration Authorities (Cultivars) --- RHS Orchid Register --- RHS Lilium Register
My Notes: Orchid Genera HTML PDF Excel --- Lilium Traits HTML PDF --- Lilium Species Crosses HTML PDF Excel --- Lilium Species Diagram
The current profile image is that of Iris 'Volcanic Glow'.
Name: Dave
Southern wisconsin (Zone 5b)
Region: Wisconsin Hummingbirder Birds Irises Peonies Bulbs
Seed Starter Pollen collector Plant and/or Seed Trader Hybridizer Daylilies Garden Photography
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Nhra_20
Mar 31, 2019 8:37 PM CST
Tracey, i have heard that a lot about pink OTs especially.
Name: Tracey
Wisconsin (Zone 5a)
Forum moderator Hybridizer Tomato Heads Pollen collector Hosted a Not-A-Raffle-Raffle Cat Lover
I was one of the first 300 contributors to the plant database! Plant Database Moderator Charter ATP Member Garden Photography Seed Starter Region: Wisconsin
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magnolialover
Apr 1, 2019 5:56 AM CST

Moderator

I know it's true because I've seen it first hand. However, my stubbornness for working on breeding what I love intensifies my need to introduce known solid genetics back into these types, while holding some of that color I adore in lilies.
Tracey
Name: Dave
Southern wisconsin (Zone 5b)
Region: Wisconsin Hummingbirder Birds Irises Peonies Bulbs
Seed Starter Pollen collector Plant and/or Seed Trader Hybridizer Daylilies Garden Photography
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Nhra_20
Apr 1, 2019 6:05 AM CST
Wonder what it is exactly that makes the color pink so prone to virus.
Name: Rick R.
Minneapolis, MN, USA zone 4
I was one of the first 300 contributors to the plant database! Garden Sages The WITWIT Badge Garden Photography Region: Minnesota Hybridizer
Seed Starter Plant Identifier Million Pollinator Garden Challenge
Image
Leftwood
Apr 1, 2019 8:09 AM CST
In associations like this, it is often found that the gene(s) responsible for one characteristic is physically close to the gene(s) responsible for the other characteristic within a DNA chain. So it is more difficult to tease them apart in the chromosome recombination process (hybridizing).
When the debate is lost, slander becomes the tool of the losers. - Socrates

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