hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
 Navigation
Articles
Gallery of Plants
Blog
Tech Blog
Plant Profiles
Patents
Mailing Lists
    FAQ
    Netiquette
    Search ALL lists
    Search help
    Subscription info
Top Stories
Links
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

Re: Hybridization...


Thanks Chick, that is a very interesting reply!

Ray Wz5
Mentor, Ohio

Chick wrote:

>
>
> Well..., while your first two sentences are technically correct, I think
> your conclusion is misleading.    If you are going to use streaked plants,
> whether seedlings or divisions of older plants, for hybridizing, you don't
> want them to mature and stabilize.  If you want a mature, stable hosta, you
> shouldn't be buying streaked plants.  Streaked plants, with 'Spilt Milk'
> being the only possible exception I am aware of, are by definition,
> unstable.  Over time, all streaked plants will revert to single color or
> variegated plants, and when a streaked plant no longer produces streaked
> leaves and instead, produces leaves that are all uniformly colored, they are
> considered stable.  At that point, they no longer produce streaked or
> variegated seedlings.  On the other hand, streaked seedlings will usually
> bloom the first year, and will themselves produce more streaked and
> variegated seedlings.  When they mature and stabilize, they will no longer
> produce streaked and variegated seedlings to any extent. In my experience,
> there is no difference in the ability of young or old plants to produce
> streaked and variegated seedlings.
>
> Stabilization is not something that cannot be stopped.  I happens as the
> plant multiplies.  When a single eye division or seedling of a streaked
> plant multiplies, generally in the spring, the new shoots that arise will
> differ in their coloring.  A plant that has four new shoots may have one
> that is green, one that is edge variegated, one center variegated, and one
> that is streaked, or some other combination of the various possibilities.
> You maintain the streaking from year to year by dividing the plant and
> isolating the streaked shoots, otherwise, the stable shoots will dominate
> and the streaking will eventually be lost - the plant is stabilized.  And
> since only the streaked shoots will reliably produce streaked or variegated
> seedlings, a mature, stable plant is not what most breeders are looking
> for.  This process occurs whether the plant is one year old or 10 years old.
>
> Some hostas hold their streaking longer than others, but without dividing,
> all that I am aware of will eventually lose it.  There is no reason to buy
> named, streaked hostas, which may be what Chris is referring to as "already
> mature", rather than seedlings, except that you will have some indication as
> to what the characteristics of the plant will be because they have been
> described, rather than the pot luck you have with seedlings.  That doesn't
> always mean that the characteristics of the named varieties are superior,
> just predictable.
>
> Chick
>
> ---------------------------------------------------------------------
> To sign-off this list, send email to majordomo@mallorn.com with the
> message text UNSUBSCRIBE HOSTA-OPEN

---------------------------------------------------------------------
To sign-off this list, send email to majordomo@mallorn.com with the
message text UNSUBSCRIBE HOSTA-OPEN





 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index