Definition of Hairy root
1. Noun. A phase of crown gall (especially in apples) during which there is abnormal development of fine fibrous roots.
Hairy Root Pictures
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Lexicographical Neighbors of Hairy Root
Literary usage of Hairy root
Below you will find example usage of this term as found in modern and/or classical literature:
1. Bulletin by United States Bureau of Plant Industry, Division of Plant Industry, Queensland (1910)
"40, Walbridge, susceptibility to crown-gall and hairy-root _._ use in top grafting on Wealthy apple Wealthy, effect of galls, orchard at Arlington, ..."
2. A Systematic Arrangement of British Plants by William Withering, William Macgillivray (1837)
"Roots woody : stems hairy : root-leaves on long hairy stalks : calyx hairy : petals about the length of the calyx, bright yellow, orange at the base. ..."
3. The Encyclopedia of Practical Horticulture: A Reference System of Commercial by Granville Lowther, William Worthington (1914)
"In typical hairy root there is no large gall formation, but there appear ... hairy root is not found to be entirely distinct from other types of crown gall. ..."
4. Science by American Association for the Advancement of Science (1917)
"Many of these trees have been more or less troubled with the crown gall and hairy root. It hag been observed that there is a tendency for a given variety to ..."
5. Successful Farming; a Ready Reference on All Phases of Agriculture for by Frank Duane Gardner (1916)
"Crown Gall and hairy root (Bacterium tumefaciens, Smith and Town- send).—These two diseases are due to the same organism. The crown galls or root galls ..."
6. Diseases of Economic Plants by Frank Lincoln Stevens, John Galentine Hall (1921)
"Root-knot and Hairy-root (nematodes).2031 M4 — Two species of nematodes affect ... Hairy-root shows first symptoms, as the hot season begins, in a wilting, ..."
7. Bulletin by United States Bureau of Plant Industry (1905)
"Apple crown-gall and hairy-root have been found in all nurseries that have, ... The malady now called the hairy-root disease is evidently the same as the ..."
8. Manual of Fruit Diseases by Lexemuel Ray Hesler, Herbert Hice Whetzel (1917)
"The second form of the disease, hairy-root, is quite unlike the gall form ... Hairy-root of apple. face of tne soil i _ (f) a broom-like formation in which ..."