Reference dataset for Egypt, yellow rust severity and yield loss on seven wheat varieties (Sharkiya, 2013–2015)

This dataset provides reference observations for wheat stripe rust trials conducted in Sharkiya, Egypt. It includes disease severity assessments and attainable vs. actual yield data digitized from Omara et al. (2018), available at [Losses Assessment in some Egyptian Wheat Cultivars caused by Stripe Rust Pathogen *Puccinia striiformis*](https://ejp.journals.ekb.eg/article_92381_3f2e26b0341fd17294835a460fad0c50.pdf).

Usage

reference_egypt

Format

A data frame with 8 variables:

site

Trial site (e.g. "Sharkiya")

variety

Cultivar identifier (e.g. "sids12")

year

Year of trial (numeric)

DOY

Day of year (numeric)

disease

Observed disease severity (%), may be NA

fint

Field intensity score (numeric, may be NA)

yieldActual

Measured actual yield (kg/ha)

yieldAttainable

Measured attainable yield (kg/ha)

Source

Omara et al. (2018). https://ejp.journals.ekb.eg/article_92381_3f2e26b0341fd17294835a460fad0c50.pdf

Examples

data(reference_egypt)
head(reference_egypt)
#> # A tibble: 6 × 8
#>   site     variety  year   DOY disease  fint yieldActual yieldAttainable
#>   <chr>    <chr>   <dbl> <dbl>   <dbl> <dbl>       <dbl>           <dbl>
#> 1 Sharkiya sids12   2014    38       5    NA          NA              NA
#> 2 Sharkiya sids12   2014    45      10    NA          NA              NA
#> 3 Sharkiya sids12   2014    52      20    NA          NA              NA
#> 4 Sharkiya sids12   2014    60      30    NA          NA              NA
#> 5 Sharkiya sids12   2014    66      40    NA          NA              NA
#> 6 Sharkiya sids12   2014    73      60    NA          NA              NA