Change in water stress resistance of cereals due to atmospheric CO 2 enrichment

O. Veisz, Szilvia Bencze, Krisztina Balla, Gyula Vida

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

There can no longer be any doubt that the quantity of greenhouse gases in the atmosphere is increasing. The most important of these is CO 2, which has risen from a constant 280 ppm to 380 ppm since the start of the industrial revolution. Even the most optimistic predictions foresee a further increase to 550 ppm by 2100. The climate changes caused by greenhouse gases have a major impact on the success of crop production. Various aspects of this problem, namely the atmospheric CO 2 level and the soil water supplies, were investigated in cereals grown under controlled conditions in the phytotron. An increase in the atmospheric CO 2 level was found to mitigate or eliminate the negative effects of drought on biomass and grain yield. Variety traits were found to be more important for yield quality than the environmental factors tested, suggesting that adaptability could be improved by breeding. Doubling the atmospheric CO 2 concentration led to a deterioration in yield quality, but the extent of the decline was dependent on the genotype. The differences recorded between the genotypes will make it possible to use conventional and molecular breeding methods to develop gene combinations conferring better adaptability to environmental changes, for use in breeding new, more adaptable varieties.

Original languageEnglish
Pages (from-to)1095-1098
Number of pages4
JournalCereal Research Communications
Volume36
Issue numberSUPPL. 5
DOIs
Publication statusPublished - 2008

Fingerprint

Carbon Monoxide
greenhouse gases
Dehydration
stress tolerance
water stress
breeding methods
genotype
breeding
water supply
crop production
Breeding
grain yield
Gases
deterioration
Genotype
drought
soil water
climate change
DNA Shuffling
environmental factors

Keywords

  • Adaptability
  • Cereals
  • Increased atmospheric CO concentration
  • Water deficiency

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Genetics
  • Physiology

Cite this

Change in water stress resistance of cereals due to atmospheric CO 2 enrichment. / Veisz, O.; Bencze, Szilvia; Balla, Krisztina; Vida, Gyula.

In: Cereal Research Communications, Vol. 36, No. SUPPL. 5, 2008, p. 1095-1098.

Research output: Contribution to journalArticle

Veisz, O. ; Bencze, Szilvia ; Balla, Krisztina ; Vida, Gyula. / Change in water stress resistance of cereals due to atmospheric CO 2 enrichment. In: Cereal Research Communications. 2008 ; Vol. 36, No. SUPPL. 5. pp. 1095-1098.
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