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Estimating the Life of Short-lived, Cyclic Weeds with Markov Processes

Published online by Cambridge University Press:  12 June 2017

L. Allen Torell ,
Kirk C. McDaniel  and
Kent Williams
L. Allen Torell
Affiliation:
Dep. Agric. Econ. and Agric. Bus., new Mex. State Univ., Las Cruces, NM 88003
Kirk C. McDaniel
Affiliation:
Dep. Range and Animal Sci., New Mex. State Univ., Las Cruces, NM 88003
Kent Williams
Affiliation:
Ext. Agent, Mont. State Univ., Malta, MT 59538
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Abstract

Some annual weeds, perennial herbs, and suffrutescent half shrubs are unique in that their populations are cyclic in nature and relatively short-lived. This variability presents a confounding factor that makes management decisions about control of these weeds difficult. This paper presents a procedure, using Markov processes, that gives additional information for managing cyclic weed populations. The Markov chain model is used to evaluate the interyear patterns of broom snakeweed survival when growing on New Mexico rangeland.

Keywords

Broom snakeweed, Gutierrezia sarothrae [Pursh] Britt. and Rusby ♯ GUESARangeland brush and weed controltreatment lifestochastic processesweed population dynamicsGUESA
Type
Research
Information
Weed Technology , Volume 6 , Issue 1 , March 1992 , pp. 62 - 67
Copyright
Copyright © 1990 by the Weed Science Society of America 

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