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- Title
Effect of genotypic, meteorological and agronomic factors on the gluten index of winter durum wheat.
- Authors
Vida, Gyula; Szunics, László; Veisz, Ottó; Bedő, Zoltán; Láng, László; Árendás, Tamás; Bónis, Péter; Rakszegi, Marianna
- Abstract
The determination of the gluten index is a widely used method for analysing the gluten strength of bread wheat and spring durum wheat genotypes. The present work was carried out to study the effect of the genotype, meteorological factors (temperature, precipitation and number of days with T ≥ 30 °C) and agronomic treatments (N fertilisation and plant protection) on the gluten index of winter durum wheat varieties and breeding lines. The results indicated that the gluten index had little dependence on the environment, being determined to the greatest extent by the genotype. Compared with varieties having weak gluten, those with a strong gluten matrix responded less sensitively to changes in environmental conditions. Among the meteorological factors, high temperature at the end of the grain-filling period caused the greatest reduction in the mean gluten index of three varieties ( R = 0.462), while the fertiliser was found to be a significant factor affecting the gluten strength of winter durum wheat varieties. Using selection based on the gluten index, the gluten strength of winter durum wheat lines can be improved sufficiently to make them competitive with high quality spring varieties.
- Subjects
DURUM wheat; EMMER wheat; WHEAT quality; GLUTEN; GENOTYPE-environment interaction; PASTA products; PASTA
- Publication
Euphytica, 2014, Vol 197, Issue 1, p61
- ISSN
0014-2336
- Publication type
Article
- DOI
10.1007/s10681-013-1052-6