Some results on the design of field experiments for comparing unreplicated treatments

Martin, R. J., Eccleston, J. A., Chauhan, N. and Chaun, B. S. P. (2006) Some results on the design of field experiments for comparing unreplicated treatments. Journal of Agricultural Biological And Environmental Statistics, 11 4: 394-410. doi:10.1198/108571106X154489


Author Martin, R. J.
Eccleston, J. A.
Chauhan, N.
Chaun, B. S. P.
Title Some results on the design of field experiments for comparing unreplicated treatments
Journal name Journal of Agricultural Biological And Environmental Statistics   Check publisher's open access policy
ISSN 1085-7117
1537-2693
Publication date 2006-01-01
Sub-type Article (original research)
DOI 10.1198/108571106X154489
Volume 11
Issue 4
Start page 394
End page 410
Total pages 17
Editor Byron J T Morgan
Place of publication New York, NY, United States
Publisher Springer New York
Collection year 2006
Language eng
Subject C1
230203 Statistical Theory
620100 Field Crops
Abstract In early generation variety trials, large numbers of new breeders' lines need to be compared, and usually there is little seed available for each new line. A so-called unreplicated trial has each new line on just one plot at a site, but includes several (often around five) replicated check or control (or standard) varieties. The total proportion of check plots is usually between 10% and 20%. The aim of the trial is to choose some good performing lines (usually around 1/3 of those tested) to go on for further testing, rather than precise estimation of their mean yield. Now that spatial analyses of data from field experiments are becoming more common, there is interest in an efficient layout of an experiment given a proposed spatial analysis. Some possible design criteria are discussed, and efficient layouts under spatial dependence are considered.
Keyword Statistics & Probability
Biology
Dependent Observations
Early Generation Variety Trials
Generalized Leastsquares
Optimality Criteria
Incomplete Block
Spatial-analysis
Information
Recovery
Trials
Q-Index Code C1
Institutional Status UQ

 
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Created: Wed, 15 Aug 2007, 20:27:54 EST