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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

Image Number PN-7171

Whiplike larva of root-knot nematode, Meloidogyne incognita, magnified 500X, shown here penetrating a tomato root. Once inside, the larva establishes a feeding site, which causes a nutrient-robbing gall.

Photo by William Wergin and Richard Sayre.

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Last Modified: 10/30/2003