nin89 {asreml}R Documentation

Advanced breeding trial.

Description

An advanced Nebraska Intrastate Nursery (NIN) breeding trial conducted at Alliance in 1988/89.

Usage

nin89

Format

A data frame with 11 colums and 242 rows:

Variety

A factor with 56 levels

Id

A factor with 56 integral levels

pid

A numeric variate containing plot numbers

raw

Plot weights

Rep

A factor with 4 levels

nloc

Trial location (4)

yield

Grain yield in t/ha

lat

Spatial coordinate

long

Spatial coordinate

Row

A factor with 22 levels

Column

A factor with 11 levels

Details

Four replicates of 19 released cultivars, 35 experimental wheat lines and 2 additional triticale lines were laid out in a 22 row by 11 column rectangular array of plots; the varieties were allocated to the plots using a randomised complete block (RCB) design.

References

Stroup WW, Baenziger PS, Mulitze DK (1994). “Removing Spatial Variation from Wheat Yield Trials: A Comparison of Methods.” Crop Science, 86, 62-66.


[Package asreml version 4.1.0.106 Index]