Host-parasite relationships of the clover cyst nematode, Heterodera trifolii Goffart /

Cover title.

The citrus nematode and its control in the Southwest /

Issued Nov. 1974.

Plants reported resistant or tolerant to root knot nematode infestation /

Contribution from Bureau of Plant Industry.

Arthropod and nematode parasites, parasitoids, and predators of Acrididae in America north of Mexico /

Includes bibliographical references (p. 261-286) and index.

The sugar beet nematode and its control

Reprinted from "Sugar."