基因型和环境及其互作效应对小麦品质的影响及品质稳定性分析

分析基因型、环境及其互作对小麦品质性状的影响。对两年度3个试点13个小麦品种的16个主要品质性状进行分析。结果表明:品质性状在不同小麦品种及不同试点间皆存在显著差异,其中硬度、PPO活性、AWRC、稀懈值的变异系数较大;膨胀势、最终粘度、峰值粘度的变异系数较小;糊化温度、碱性水保持力、峰值时间、蛋白质含量、湿面筋含量的环境效应大于基因型效应;SDS沉降值、PPO活性、黄色素含量、膨胀势、峰值粘度、保持粘度、稀懈值、最终粘度、回升值、Zeleng沉降值、硬度的基因型效应大于环境效应,保持粘度这一品质性状基本上不受环境影响,比较稳定。

The Effects of Genotype, Envirnment and G×E Interaction on Wheat Quality and the Analysis of Stability

The purpose of this study was to investigate the effect of genotype and environment on quality of wheat(Triticum aestivum).Thirteen wheat cultivars and advanced lines were sown in three locations for two years to determine the genetics and environmental effects on 16 quality traits.The results showed that there were significant differences of wheat quality parameters among wheat cultivars and planting sites.The variances of hardness,PPO activity,AWRC,yellow pigment content,breakdown were large in different environment.The variances of swelling power,final viscosity and peak viscosity were little in differences environment.Effects of environment on pasting temperature,AWRC,peak time,protein content and wet gluten were greater than genotype,but effects of genotype were greater on SDS sedimentation value,PPO activity,yellow pigment content,swelling power,peak viscosity,though viscosity,breakdown,final viscosity,setback,Zeleng sedimentation value and hardness.Though viscosity is the most stable indices in the 16 quality traits.