Female and male trees

Larry Daley daleyl at bcc.orst.edu
Thu Dec 28 18:58:55 EST 1995

Try Shawn Mehlenbacher for a recent study on 
self-incompatability in hazel nuts.  Prof. 
Mehlenbacher's e-mail address is mehlenbs at bcc.orst.edu

On Thu, 28 Dec 1995, mel turner wrote:

> In article <4bsamn$j3d at cloner3.netcom.com> d_micro at ix.netcom.com(Michael L Roginsky ) writes:
> >>>>Don't forget to include pear and apple trees. Some species require
> >cross polination to bear fruit. Othewise all you get is flowers and
> >later firewood as you get smart and cut them down...personal
> >experience!
> I think that these are more likely examples of self-incompatability, & not 
> true dioecy -- i.e., they may be plants with bisexual flowers that can only 
> fertilize one another, and don't successfully set seed with their own pollen, 
> but all do form both pollen and seeds  [there are also a  lot of other 
> variations in plant breeding systems out there, including some where plants 
> with superficially bisexual flowers are functionally male or female,  species 
> with both unisexual and bisexual individuals, etc.]
> mdt

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