LEAF ABSCISSION

[Jonathan B. Marder]

In article <MAILQUEUE-101.951120142250.480 at chi1.fsufay.edu>,
   dhaas at CHI1.UNCFSU.EDU ("David Haas") wrote:
>A botany student of mine came up with an interesting observation 
>this AM.  As he was raking leaves over the week end (mostly pecan) he 
noticed
>that the leaflets appeared to have abscissed in a manner 
>similar to the petiole.  It seems that I also made the same 
>observation years ago but never gave it much thought.  Now after 
>thinking about it I am wondering if this happens in all or most 
>compound leaves.   Are there any trees where the leaflets fall before 
>the leaves?    Have any of you noticed this?  Comments
>  

Even in simple leaves, you often find abscision zones at both ends of 
the petiole.


Jonathan B. Marder                 ,      Department of Agricultural Botany
E-mail: MARDER at agri.huji.ac.il     |      The Hebrew University of Jerusalem
Phone: (08 or +9728) 481918        | /\/  Faculty of Agriculture
Fax:   (08 or +9728) 467763        |/  \  P.O.Box 12, Rehovot 76100, ISRAEL
URL: http://indycc1.agri.huji.ac.il/~marder