WANTED--PLANT PEST DETECTIVES (SPANISH)

Explains that the public's assistance is needed in helping track down dangerous foreign plant pests that may have gotten into our country. The costly pest problem is reviewed with resumes on such invaders as boll weevil of cotton, spotted alfalfa aphid, european corn borer, white pine blister rust, stem rust of grain, and golden nematode of potato. Illustrates what state and federal governments are doing to protect American agriculture.