Effect of water deficiency on the development and technical quality of some sugar beet genotypes
Dorit Bloch
mail@ifz-goettingen.deInstitute of Sugar Beet Research Göttingen, Niemcy (Germany)
Christa Hoffmann
Institute of Sugar Beet Research Göttingen, Niemcy (Germany)
Abstract
Field trials were conducted in 2003 at Heuchelheim in the southwestern part and Wörbzig in the eastern part of Germany. In the vegetation period yield and quality of four sugar beet varieties were assessed under reinfed conditions and in the irrigated plots. Drought caused the decrease both in yield and technical quality of beet roots, mainly due to the accumulation of melassogenic compounds: sodium, α-amino N, betaine and inverted sugar. The varieties responded in a similar way to changes in soil water content. There were no interactions between beet genotypes and irrigation in relation to yield or the analyzed constituents. Thus, no genotypic differences were found to exist in the response of sugar beet to water supply.
Keywords:
sugar beet, irrigation, yield, technical qualityReferences
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Authors
Dorit Blochmail@ifz-goettingen.de
Institute of Sugar Beet Research Göttingen, Niemcy Germany
Authors
Christa HoffmannInstitute of Sugar Beet Research Göttingen, Niemcy Germany
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Copyright (c) 2004 Dorit Bloch, Christa Hoffmann
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