Temperature dependence of wheat development

K. Balla, O. Veisz

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Among the abiotic stress factors influencing the growth and productivity of wheat varieties, extremely high temperatures have the most limiting effect. In an experiment set up in the gradient chamber of the Martonvásár phytotron to test the effect of various temperatures on four winter wheat varieties and one variety of spelt, substantial differences were observed in the heat stress tolerance of the varieties. There was a considerable reduction in the number of shoots and spikes as the result of heat stress, leading to a drastic loss of grain yield. It was clear from changes in the biomass and in the grain:straw ratio that extremely high temperatures led to a substantial reduction in the ratio of grain to straw in the varieties tested. In response to high temperature the wheat plants turned yellow earlier due to the rapid decomposition of the chlorophyll content. This resulted in a considerable shortening of the vegetation period and early ripening. Reductions in the parameters tested were observed at different temperature levels for each variety, indicating considerable differences in the ability of the varieties to adapt to abiotic stress factors.

Original languageEnglish
Pages (from-to)313-320
Number of pages8
JournalActa Agronomica Hungarica
Volume56
Issue number3
DOIs
Publication statusPublished - Sep 2008

Fingerprint

wheat
temperature
abiotic stress
heat stress
straw
Triticum aestivum subsp. spelta
shortenings
stress tolerance
growth factors
winter wheat
ripening
inflorescences
grain yield
chlorophyll
vegetation
shoots
degradation
biomass
testing

Keywords

  • Chlorophyll content
  • Grain:straw ratio
  • Heat stress
  • Yield

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Temperature dependence of wheat development. / Balla, K.; Veisz, O.

In: Acta Agronomica Hungarica, Vol. 56, No. 3, 09.2008, p. 313-320.

Research output: Contribution to journalArticle

Balla, K. ; Veisz, O. / Temperature dependence of wheat development. In: Acta Agronomica Hungarica. 2008 ; Vol. 56, No. 3. pp. 313-320.
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