Allelopathy is defined as “the effect of one plant on another through the release of a chemical compound into the environment” – it’s basically chemical warfare between plants! Plants will often produce  herbicides, which suppress the growth of other plants nearby. More than 240 weed species have been found to be allelopathic either to nearby plants of the same species (autotoxicity), or to other crop or weed species.

Read the article in Spring – Week 4.