ALL meanings of phytoalexin
phy·to·a·lex·in
P p - noun phytoalexin any of a class of plant compounds that accumulate at the site of invading microorganisms and confer resistance to disease. 1
- noun phytoalexin any of a group of substances produced by plants that inhibit the growth of pathogenic fungi that infect them 0
- noun phytoalexin an antibiotic produced by a plant in response to the intrusion of a disease-producing agent, esp. a fungus 0