Growth Adaptability and Ornamental Evaluation of Nine Sunflower Varieties in Changchun region
To screen out high-quality ornamental sunflower varieties suitable for cultivation in the Changchun area and conduct a scientific assessment of their growth adaptability and ornamental value.The experiment was based on the field conditions in the Changchun area,employed a randomized block design,and selected nine sunflower varieties for the planting experiment.Through the observa-tion of phenological periods,growth indicators,and ornamental traits,in combination with the local cli-mate and soil conditions,an in-depth exploration was carried out on the growth adaptability and orna-mental value of each variety.The research findings indicate that there are significant differences in growth indicators among different varieties.White Moonlight,Vincent 2 Coated,and Chocolate Coated demonstrate superior growth adaptability.Vincent 2 Coated and Golden Fortune have an earlier growth and development process and stronger adaptability,and Teddy Bear has the longest ornamental period.In the comprehensive evaluation of ornamental properties,Teddy Bear has the highest compre-hensive score and excellent balance in ornamental value.White Moonlight and Alps Coated perform exceptionally well in positive indicators such as petal length,width,and flower disk diameter.In con-clusion,the sunflower varieties initially selected as suitable for cultivation in the Changchun area are White Moonlight,Alps Coated,and Teddy Bear.The systematic evaluation system constructed in this study is of great significance for reducing production losses and has significant application value in the evaluation of sunflower germplasm resources.
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