Persistent Link:
http://hdl.handle.net/10150/200534
Title:
The Stateus of Stem Nematodes in Arizona Alfalfa in 1985-86
Author:
Nigh, Edward Jr.; Dawson, Lester
Issue Date:
Sep-1986
Publisher:
College of Agriculture, University of Arizona (Tucson, AZ)
Journal:
Forage and Grain: A College of Agriculture Report
Abstract:
Alfalfa stem nematodes have become a more serious pest since the advent of non -dormant alfalfa. Their distribution has increased and their period of feeding activity has been prolonged. A state survey has been conducted to determine the presence of the nematode in the principal alfalfa- growing areas of the state. The population dynamics were followed during the 1985-86 growing season. Alfalfa samples, including stems and crowns, were taken from selected fields in each geographic area and the nematodes were extracted. Populations from the samples determined the fields infested and the periods of feeding and reproduction. More than one -half of the fields sampled in the Salt River Valley were infested with the nematode and new infestations were found in Yuma County. Warm weather from October through the winter permitted nematode activity, causing serious stand decline. This pest is becoming more widely distributed and more economically important to alfalfa growers in Arizona.
Keywords:
Agriculture -- Arizona; Grain -- Arizona; Forage plants -- Arizona; Alfalfa -- Arizona; Alfalfa -- Pests
Series/Report no.:
370067; Series P-67

Full metadata record

DC FieldValue Language
dc.titleThe Stateus of Stem Nematodes in Arizona Alfalfa in 1985-86en_US
dc.contributor.authorNigh, Edward Jr.en_US
dc.contributor.authorDawson, Lesteren_US
dc.date.issued1986-09-
dc.publisherCollege of Agriculture, University of Arizona (Tucson, AZ)en_US
dc.identifier.journalForage and Grain: A College of Agriculture Reporten_US
dc.description.abstractAlfalfa stem nematodes have become a more serious pest since the advent of non -dormant alfalfa. Their distribution has increased and their period of feeding activity has been prolonged. A state survey has been conducted to determine the presence of the nematode in the principal alfalfa- growing areas of the state. The population dynamics were followed during the 1985-86 growing season. Alfalfa samples, including stems and crowns, were taken from selected fields in each geographic area and the nematodes were extracted. Populations from the samples determined the fields infested and the periods of feeding and reproduction. More than one -half of the fields sampled in the Salt River Valley were infested with the nematode and new infestations were found in Yuma County. Warm weather from October through the winter permitted nematode activity, causing serious stand decline. This pest is becoming more widely distributed and more economically important to alfalfa growers in Arizona.en_US
dc.subjectAgriculture -- Arizonaen_US
dc.subjectGrain -- Arizonaen_US
dc.subjectForage plants -- Arizonaen_US
dc.subjectAlfalfa -- Arizonaen_US
dc.subjectAlfalfa -- Pestsen_US
dc.identifier.urihttp://hdl.handle.net/10150/200534-
dc.relation.ispartofseries370067en_US
dc.relation.ispartofseriesSeries P-67en_US
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