Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taub Year: 1918 Fig. 8. Nematode Root Knot. a. Root knot of Irish potato, b. root knot of onion, c. root knot of parsnip, d. egg'of nematode, Helerodera radicicola, e. young female worm, /. half-grown female worm g. young male worm, h. matured male worm ready to emerge from old body covering, ;. matured female worm (d. to i. greatly enlarged, after Stone and Smith).

---

Size: 1158px × 1727px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage