Walnuts are well known for the allelopathy trait. Nothing grows under them due to the release of juglone which inhibits germination of seeds ArnoldNew Jersey Sent from AOL Mobile Mail Get the new AOL app: mail.mobile.aol.com On Tuesday, March 24, 2020, Jim McKenney via pbs <pbs@lists.pacificbulbsociety.net> wrote: Is phytotoxicity the correct term for this phenomenon? I would have used allelopathy. Jim McKenney On Tuesday, March 24, 2020, 02:37:34 PM EDT, Robert Lauf <boblauf@att.net> wrote: A search of Google scholar turned up a number of references. The attached paper might be informative at least as a starting point, but bear in mind their interest was using extracts or ground up biomass as a pre-emergent herbicide to suppress germination of weeds. Bob LaufOak Ridge, TN On Tuesday, March 24, 2020, 02:20:35 PM EDT, Jane McGary <janemcgary@earthlink.net> wrote: An inquiry has come via the PBS website asking whether Amaryllis belladonna has some property that prevents other plants from growing near it. Does anyone know about this? Or are his Amaryllis so congested that the shallow-growing bulbs are just blocking anything else from growing? Thanks, Jane McGary _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…