rhizoctonia

1 of 2

noun (1)

rhi·​zoc·​to·​nia ˌrī-ˌzäk-ˈtō-nē-ə 

: any of a form genus (Rhizoctonia) of imperfect fungi that includes major plant pathogens

rhizoctonia disease

2 of 2

noun (2)

variants or less commonly rhizoctonia

plural -s

1

: a disease caused by fungi of Rhizoctonia or closely related genera

2

: a disease of potatoes caused by a fungus (Pellicularia filamentosa synonym Rhizoctonia solani) and characterized especially by black scurfy spots on the tubers

called also little potato, rosette, russet scab, stem canker

compare damping-off

Examples of rhizoctonia in a Sentence

Recent Examples on the Web

Noun

When the microbes are in their proper proportions, pathogens such as rhizoctonia, pythium, fusarium, etc., function in a positive way. —Howard Garrett, Dallas News, 23 Jan. 2020

Word History

Etymology

Noun (1)

New Latin, from rhiz- + Greek -ktonos killing, from kteinein to kill; akin to Sanskrit kṣaṇoti he wounds

Noun (2)

New Latin Rhizoctonia

First Known Use

Noun (1)

1897, in the meaning defined above

Rhymes for rhizoctonia

• aphonia
• chelonia
• cladonia
• colonia
• dystonia
• harmonia
• koinonia
• oogonia
• polonia
• sinfonia
• zirconia
• catatonia