R: Wheat variety trial

wheat {asreml} | R Documentation

## Wheat variety trial

### Description

Unreplicated early generation wheat variety trial conducted at Tullibigeal in south-western NSW (Australia). The experiment consisted of 525 test lines which were randomly assigned to plots in a 67 row by 10 column array. There was a check plot variety every 6 plots within each column. That is, the check variety was sown on rows 1, 7, 13, . . . , 67 of each column. This variety was numbered 526. A further 6 replicated commercially available varieties (numbered 527 to 532) were also randomly assigned to plots with between 3 to 5 plots for each variety.

### Usage

    wheat

### Format

A data frame with 5 columns and 670 rows:

- yield: Grain yield (in kg/ha)

- weed: Weed record, a covariate

- Column: Field column position, factor with 10 levels

- Row: Field row position, factor with 67 levels

- Variety: Variety number, factor with 532 levels

### Source

NSW Department of Primary Industries

[Package asreml version 4.2.0.480 Index]