rhi·​zoc·​to·​nia ˌrī-ˌzäk-ˈtō-nē-ə How to pronounce rhizoctonia (audio)
: any of a form genus (Rhizoctonia) of imperfect fungi that includes major plant pathogens

Examples of rhizoctonia in a Sentence

Recent Examples on the Web 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rhizoctonia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

First Known Use

1897, in the meaning defined above

Time Traveler
The first known use of rhizoctonia was in 1897

Dictionary Entries Near rhizoctonia

Cite this Entry

“Rhizoctonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhizoctonia. Accessed 22 May. 2024.

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