PLANT NEMATODES THE GROWER SHOULD KNOW


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IN


 Figure 5.-A. Roots of black locust seedlings (Robinia pseudoacacia L.) dam-
Ped by root-knot nematodes. Note the swollen and blinded root tips; % normal
ize. B. Roots of a daylily (Hemerocallis hybrid) infected with root-knot nematodes.
rote again the blinded root tips; otherwise the knots and galls are only slightly
rticeable on the fleshy roots; 3 normal size.