The results of the two years' studies on the control of insects affecting birds foot trefoil (Lotus corniculatus (L.)) seed production show that early season applications of insecticides with good residual properties result in significant increases in seed yields. The data indicate that control of the meadow spittle bug (Philaenus leucophthalmus (L.)) and several species of Miridae is necessary during the critical period of bud development and flowering. The flowering of treated plots was visibly more dense, uniform, and of shorter duration than on the check plots. This observation was confirmed by counts of umbels per stem and pods per umbel, and was considered a good criterion for measuring plant protection offered by the insecticides. The honeybee population on the test plots was considered adequate for pollination.
Document Type: Research Article
Publication date: August 1, 1958
More about this publication?
Entomological Society of America journals will no longer be available via ingentaconnect from February, 1, 2015. Please contact the publisher at email@example.com (USA) or firstname.lastname@example.org (UK and rest of world) for information on how to continue access to these titles.