Pratylenchus penetrans

Pratylenchus penetrans

Prtaylenchus penetrans

Pratylenchus penetrans

Pratylenchus sp.

Pratylenchus sp.

Pratylenchus penetrans

Pratylenchus penetrans

Pratylenchus penetrans

Pratylenchus penetrans

Pratylenchus vulnus

Pratylenchus penetrans

Lily bulb fields, Del Norte County, California

Preparing for nematicide trial. Del Norte County, California

Small bulbs due to nematode pressure. Del Norte County, California

Nematicide trial, 1988. "Clandosan" (chitin+urea).

Nematodes in root cortex.

Lesions on peanut pods, Florida.

(SON slide)

Onion yield reduction at different nematode densities; Canada.

(SON slide)

Component of apple replant problem, New York. Trees on left with replant problem, trees on right in fumigated soil.

Apple replant problem, Netherlands

Apple: nematodes in root cortex.

Damage to plums on different rootstocks. UC Kearney Ag. Center, Fresno County, California.

Damage to phlox, Netherlands