Persistent Link:
http://hdl.handle.net/10150/219955
Title:
The Effect of Irrigation Practices on the Performance of Lettuce Herbicides
Author:
Tickes, Barry
Affiliation:
University of Arizona Cooperative Extension
Issue Date:
Oct-1999
Publisher:
College of Agriculture, University of Arizona (Tucson, AZ)
Journal:
Vegetable: A College of Agriculture Report
Abstract:
The herbicides used in lettuce have changed little in more than 30 years. Poast was registered for grass control in the 1980's although preemergent applications of Kerb, Balan and Prefar have been the principal herbicides used in lettuce production since the mid 1960's. Balan was changed from a 1.5 lb./gal. Emulsifiable concentrate to a 60% dry flowable formulation in the mid 80's, Kerb has always been a 50% wettable powder and Prefar is still a 4 lb./gal. emulsifiable concentrate. Growers are constantly changing cultural practices to improve production or to become more efficient. The change in one cultural practice can, and often does, effect other cultural practices. The use of sprinklers to establish lettuce has become increasingly widespread in the Yuma area over the past 20 years. Kerb and Prefar can be mechanically incorporated into shaped beds although both are commonly incorporated with irrigation water. The change in irrigation practices during stand establishment from furrow irrigation to sprinklers has effected the performance of both Kerb and Prefar. Balan is normally disced into the soil prior to bed formation and is not as effected by irrigation practices during stand establishment. Four tests are presented in this paper that help explain the effect of irrigation practices on the performance of Kerb and Prefar.
Keywords:
Agriculture -- Arizona; Vegetables -- Arizona; Vegetables -- Herbicides
Series/Report no.:
AZ1143; Series P-118

Full metadata record

DC FieldValue Language
dc.titleThe Effect of Irrigation Practices on the Performance of Lettuce Herbicidesen_US
dc.contributor.authorTickes, Barryen_US
dc.contributor.departmentUniversity of Arizona Cooperative Extensionen_US
dc.date.issued1999-10-
dc.publisherCollege of Agriculture, University of Arizona (Tucson, AZ)en_US
dc.identifier.journalVegetable: A College of Agriculture Reporten_US
dc.description.abstractThe herbicides used in lettuce have changed little in more than 30 years. Poast was registered for grass control in the 1980's although preemergent applications of Kerb, Balan and Prefar have been the principal herbicides used in lettuce production since the mid 1960's. Balan was changed from a 1.5 lb./gal. Emulsifiable concentrate to a 60% dry flowable formulation in the mid 80's, Kerb has always been a 50% wettable powder and Prefar is still a 4 lb./gal. emulsifiable concentrate. Growers are constantly changing cultural practices to improve production or to become more efficient. The change in one cultural practice can, and often does, effect other cultural practices. The use of sprinklers to establish lettuce has become increasingly widespread in the Yuma area over the past 20 years. Kerb and Prefar can be mechanically incorporated into shaped beds although both are commonly incorporated with irrigation water. The change in irrigation practices during stand establishment from furrow irrigation to sprinklers has effected the performance of both Kerb and Prefar. Balan is normally disced into the soil prior to bed formation and is not as effected by irrigation practices during stand establishment. Four tests are presented in this paper that help explain the effect of irrigation practices on the performance of Kerb and Prefar.en_US
dc.subjectAgriculture -- Arizonaen_US
dc.subjectVegetables -- Arizonaen_US
dc.subjectVegetables -- Herbicidesen_US
dc.identifier.urihttp://hdl.handle.net/10150/219955-
dc.relation.ispartofseriesAZ1143en_US
dc.relation.ispartofseriesSeries P-118en_US
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