Who coined the term ‘Phytoalexin’?

Correct option is B

Correct option (b) Muller and Borger (1940)
· Coined the term phytoalexin.
· Defined as antimicrobial substances produced by plants after infection.
Other options:
· (a) Earlier work, not coiners.
· (c) Later contributor.
· (d) Known for disease resistance concepts.