Study on Quality Characters and Stability of Wheat Transgenic HMW-GS Gene Lines and Their Parent

doi:10.11924/j.issn.1000-6850.2012-2049

Abstract

Abstract: In order to study quality changes of transgenic good quality HMW-GS gene lines Longfu06K1079 and Longfu06K1083 between differential years and stability of quality characters, transgenic lines and their parent‘Longfumai8’have planted an isolation area at 2007-2010. Quality analysis had made for 4 years, and significant difference had been made by variance coefficient (CV) and linear regression coefficient (b value). The results showed that quality characters of transgenic lines were improved, development time of Longfu06K1079 and extensibility and area of Longfu06K1083 were significant (P>0.05) for‘Longfumai8’. The reactions for different quality characters to environments were different. Protein content, wet gluten content, extensibility and sedimentation value were relatively stable. Development time, stabilization time, area, maximum resistance showed poor stability. While stability was evaluated by variance coefficient (CV) and linear regression coefficient (b value), stability of Longfu06K1083 was relatively good.

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