codling1988 {qra}

Dose-mortality data, for fumigation of codling moth with methyl bromide

Description

Data are from trials that studied the mortality response of codling moth to fumigation with methyl bromide, for the year 1988 only

Usage

data(codling1988)
data(codling1989)

Format

A data frame with 77 observations (codling1988), and with 40 observations (codling1989), on the following 8 variables.

dose

Injected dose of methyl bromide, in gm per cubic meter

ct

Concentration-time sum

total

Number of insects in chamber

dead

Number of insects dying

PropDead

Proportion dying

Cultivar

a factor with 1988 levels BRAEBURN FUJI GRANNY Red Delicious and ROYAL; and with 1989 levels Gala, Red Delicious and Splendour

rep

replicate number, within Cultivar

cultRep

Cultivar/replicate combination

Details

The research that generated these data was in part funded by New Zealand pipfruit growers. The published analysis was funded by New Zealand pipfruit growers. See also DAAG::sorption.

Source

Maindonald, J.H.; Waddell, B.C.; Petry, R.J. 2001. Apple cultivar effects on codling moth (Lepidoptera: Tortricidae) egg mortality following fumigation with methyl bromide. Postharvest Biology and Technology 22: 99-110.