onion_bacterial_blight: Incidence of bacterial blight of onion.

In epiphy: Analysis of Plant Disease Epidemics

Incidence of bacterial blight of onion.

Description

Assessments of bacterial blight of onion at two dates. The experimental plot was sown with naturally X. axonopodis pv. allii-contaminated onion (A. cepa L. cv. Chateau-vieux) seed lot, with a contamination rate of about 0.04%.

Usage

onion_bacterial_blight

Format

A data frame with 1134 rows and 5 variables:

[, 1:2]	x,y	Grid spatial coordinates.
[, 3]	t	Date of disease assessments.
[, 4]	i	Disease incidence. 0: Healthy, 1: Diseased.
[, 5]	n	Sampling unit size. n = 1 means that the sampling unit size is the plant.

Source

Roumagnac P, Pruvost O, Chiroleu F, Hughes G. 2004. Spatial and temporal analyses of bacterial blight of onion caused by Xanthomonas axonopodis pv. allii. Phytopathology 94, 138–146. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1094/PHYTO.2004.94.2.138")}

epiphy documentation built on Nov. 16, 2023, 5:06 p.m.