Definition of phytopathogenicity in English:

phytopathogenicity

Pronunciation /ˌfʌɪtəʊpaθədʒəˈnɪsɪti/

noun

Biology
  • The property of producing disease in plants.

Origin

1940s; earliest use found in Science. From phytopathogenic + -ity, after pathogenicity; compare -icity.