fo·​li·​ar | \ ˈfō-lē-ər How to pronounce foliar (audio) \

Definition of foliar

: of, relating to, or applied to leaves foliar sprays foliar diseases

Examples of foliar in a Sentence

Recent Examples on the Web These nutrients can be applied through the irrigation water (often called fertigation), spread onto the soil in a dry format or applied in a foliar spray to the leaves of the tree. Nav Athwal, Forbes, 30 Aug. 2021 Although oaks suffer a host of foliar diseases, these images are not about the arrival of a new pathogen, but the departure of a primeval insect. Washington Post, 7 July 2021 Beech leaf disease is caused by the foliar nematode, Litylenchus crenatae subsp., 18 June 2021 It can be used for acreage or agriculture at 1 to 2 gallons per acre for soil application or for foliar application at 2 quarts per acre. Howard Garrett, Dallas News, 10 May 2021 After initial fertilization, drop to a lower nitrogen fertilizer (the first number on the label is lower) or even use foliar fertilizer or fish and seaweed fertilizer. oregonlive, 5 Apr. 2021 As with many foliar diseases of plants, sanitation is an important management practice. Tim Johnson,, 20 Sep. 2020 Or pour the tea in a squirt bottle and use it as a foliar spray to apply directly on plant leaves. Blair Donovan, Country Living, 28 Apr. 2020 Also, steer clear of misting, which can promote foliar disease. oregonlive, 21 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'foliar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of foliar

circa 1859, in the meaning defined above

History and Etymology for foliar

French foliaire, from Latin folium leaf + French -aire -ar

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Time Traveler for foliar

Time Traveler

The first known use of foliar was circa 1859

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Dictionary Entries Near foliar



foliar bundle

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Last Updated

13 Sep 2021

Cite this Entry

“Foliar.” Dictionary, Merriam-Webster, Accessed 19 Oct. 2021.

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