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devRate (version 0.2.6)

ha_kay1981_nls: Kay non-linear Davidson thermal performance curve for the egg development of Helicoverpa armigera

Description

Non-linear development performance curve for eggs from ten experimental temperatures (8, 10, 13.3, 17.8, 20.8, 24.4, 27.2, 31.4, 35, 39.4 degrees Celsius), using Davidson equation.

Usage

ha_kay1981_nls(plotfig = TRUE)

Value

A list with the equation used, and a list of model parameters for the different life stages considered in the article.

Arguments

plotfig

A Boolean used to return the experimental points and the equation fitted in the article.

Details

This work is part of the ACOMPLI project. The ACOMPLI project is part of the Strategic Action Plan for the anticipation of the potential European withdrawal of active substances and the development of alternative crop protection techniques (PARSADA). It is financed by ecological planning funds. The French Ministry of Agriculture cannot be held responsible for the content of this package.

See Also

Kay, I. R. (1981). The effect of constant temperatures on the development time of eggs of Heliothis armiger (Hubner) (Lepidoptera: Noctuidae). Australian Journal of Entomology, 20(2), 155-156. https://doi.org/10.1111/j.1440-6055.1981.tb01020.x

Examples

Run this code
  mymodel <- ha_kay1981_nls(plotfig = FALSE)

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