Control of lygus bugs in alfalfa seed fields with DDT dusts requires care in application
Ray F. Smith
California Agriculture 1(5):4-4. DOI: 10.3733/ca.v001n05p4a.
Not available – first paragraph follows:
Within the past fifteen or more years considerable evidence has been obtained which definitely places ly-gus bugs as one of the more important factors affecting the yield of alfalfa seed.