Risto Häkkinen , Pertti Hari

The efficiency of time and temperature driven regulation principles in plants at the beginning of the active period.

Häkkinen R., Hari P. (1988). The efficiency of time and temperature driven regulation principles in plants at the beginning of the active period. Silva Fennica vol. 22 no. 2 article id 5348. https://doi.org/10.14214/sf.a15505

Abstract

The distribution of the minimum temperatures after the beginning of the active period (one temperature for each spring) have been calculated for each principle using daily meteorological data collected during the years 1883–1980. The efficiency criterion is the variance of the minimum temperature distributions and the length of the active period. The most efficient regulation principle is found to be based on the temperature sum which includes a feedback component.

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Keywords
temperature; phenology; regulation; annual cycle; spring frost

Published in 1988

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Available at https://doi.org/10.14214/sf.a15505 | Download PDF