1 research outputs found
Evidence for an Allelopathic Interaction Between Rye and Wild Oats
Allelopathy is a biological phenomenon
in which an organism produces
one or more biochemicals that influence the growth, survival, and
reproduction of other organisms. Allelopathy has been the subject
of a great deal of research in chemical ecology since the 1930s. The
characterization of the factors that influence this phenomenon has
barely been explored, mainly due to the complexity of this area. The
main aim of the research carried out to date has been to shed light
on the importance of these interactions in agroecosystems, especially
in relation to the interactions between crops and weeds. Herein we
report the characterization of a complete allelochemical pathway involving
benzoxazinones, which are known to participate in allelopathic plant
defense interactions of several plants of high agronomic interest.
The production of the defense chemicals by a donor plant (crop), the
route and transformations of the chemicals released into the environment,
and the uptake and phytotoxic effects on a target plant (weed) were
all monitored. The results of this study, which is the first of its
kind, allowed a complete dynamic characterization of the allelopathic
phenomenon for benzoxazinones