Fifteen species of Noctuidae (Lepidoptera) were collected in alfalfa and
peppermint in western Oregon. Seven of these species were hosts for the braconid
parasitoid Meteorus communis. The most frequently parasitized (percent) species were
Agrotis ipsilon (35.3), Dargida procincta (15.0), and Peridroma saucia (6.9). Other
species parasitized were Autographa californica (3.8)...
Alfalfa will out-yield other hay crops on deep, well-drained sot*in southern
Oregon. Irrigation is necessary for top yields, though good yietdcilpf either hay or seed can be expected without irrigation on deep soils with good moistureholding capacity. In addition to an adequate fertilizer program, these points are important for successful...
Published January 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Revised April 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Alfalfa is an important hay crop which is grown on more than 10,000 acres in Jackson, Josephine, and Douglas counties of southern Oregon. Its estimated crop value is more than four million dollars per year. Many varieties of alfalfa are available for planting in the area. Sixty-eight varieties and experimental...
Alfalfa is an important crop in Jackson, Josephine and Douglas counties of southern Oregon. Its farm value is about $2½ million per year. Many varieties are available for planting
in the area. More than 80 alfalfa varieties and experimental selections have been evaluated for hay production since 1959
at the...
Between 1965 and 1975, four alfalfa variety test trials, which included 38 different varieties, were conducted at Redmond and Alfalfa by the Central Oregon Experiment Station. Two trials were completed and two are continuing. Hay yields averaged 6.79 and 5.39 tons per acre per year in the completed trials at...