Evaluation of Sweet Buckwheat Varieties ( Lines) in Different Climate Ecological Types Based on Grey Relational Analysis
Using 5 sweet buckwheat varieties (lines) independently selected and introduced as materials. Years of multi-point experiments were conducted in 6 counties ( districts) of different climate types in the southern mountainous areas of Ningxia, and grey correlation analysis was conducted on 8 main agronomic traits to comprehensively evaluate the advantages and disadvantages of the varieties. The results showed that the correlation degree between the main agronomic traits of the tested varieties and yield was as follows:grain weight per plant>number of grains per plant>number of primary branches>density>plant height>number of main stem nodes>thousand grain weight;Through the analysis of equal weight grey correlation degree and weighted grey correlation degree, combined with resistance indicators such as disease resistance and lodging resistance during the growth period, suitable varieties ( lines) for local cultivation were selected as Guyuan Buckwheat 1 and Guyuan Buckwheat 3. Large scale production demonstration zones were established for verification, and their yield increase effect was significant.
万方数据
维普
