Research On Comprehensive Evaluation Of Sugarbeet Regional Test Varieties Based On Grey Relational Degree

The statistical analysis method of gray correlation degree can analyze multiple traits at the same time,so this way can avoid the interference of duplicate information,and provide a scientific basis for the planting of sugar beet varieties.In order to screen the most suitable sugar beet varieties for planting in 2021,the relevant tests were carried out in The Hulan Campus of Heilongjiang University(The inside),the grey correlation degree analysis method was used to analyze and comprehensively evaluate the production traits(sugar content,root yield,sugar yield,K,Na,?-N content),growth traits(petiole length,petiole thickness,leaf area,SPAD value)and disease resistance traits(root rot,brown spot disease)of 21 sugar beet varieties,and in order to be able to promote them in different ecological regions,a total of 7 regions including North China were carried out in a total of 7 regions.Therefore,the AMMI model analysis was carried out on the root yield,sugar content and sugar yield of sugar beet cultivars in different regions.(1)In the planting area of Hulan Campus of Heilongjiang University(within the institute),this study analyzed the growth traits and disease resistance of sugar beets at the seedling stage,the rapid growth period of leaf clusters,the root growth period and the sugar accumulation period,and analyzed the production traits at the harvest stage,and compared the grey correlation degree and principal component analysis method on21 imported KWS series sugar beet varieties,and the results were found that:From the perspective of seedling stage alone,the most suitable sugar beet varieties for local cultivation are KWS1132,KWS4257,KWS9968,KWS1110,KWS1197-1,KWS1139,KWS4259,KWS1197-2,KWS0015,KWS9962.In the rapid growth period of leaf clusters,the most suitable sugar beet varieties for local cultivation were KWS1132,KWS4257,KWS9968,KWS9962,KWS1115,KWS1197-1,KWS1139 and KWS9899.During the root growth period,the most suitable sugar beet varieties for local cultivation were KWS7772,KWS1139,KWS1197-2,KWS9962,KWS1132,KWS6693/0015.In the sugar accumulation stage,KWS9899,KWS9962,KWS7748-1,KWS4259,KWS1132,KWS1197-1,KWS1139,KWS1110,KWS7772 are more resistant to brown spot disease.Through principal component analysis and grey correlation analysis,the most suitable sugar beet varieties in the local area were KWS9962,KWS1197-2,KWS9899 and KWS4257.During the harvest period,KWS4257,KWS1132,KWS1139 and KWS7772 were highly resistant to root rot.Principal component analysis and grey correlation degree analysis showed that the most suitable cultivars were KWS9962,KWS7772,KWS4257,KWS1132,KWS1139.Combining the results of each growth period of sugar beets,the varieties suitable for large-scale planting in The Hulan Campus of Heilongjiang University were KWS9962,followed by KWS1139 and KWS1132.(2)In 7 different ecological planting areas across the country,16 sugar beet varieties of the same KWS series were screened,and the AMMI model analysis of beetroot yield,sugar yield and sugar content was performed,and the stability(De)and the discriminating force(Dv)of each variety were calculated,and the experimental results showed that KWS1109 had the strongest stability,followed by KWS1115,KWS7748-1,KWS4259,KWS1110 and KWS1130.The pilot planting ecological zone has strong discrimination in the Hulan Campus of Heilongjiang University and Hulan(rural).