Comprehensive Evaluation of Maize Varieties Suitable for Mechanical Harvesting in the Dryland Area of Longdong
As the degree of mechanization in maize production increases,mechanical harvesting of maize grains is becoming a major trend.Consequently,the selection of maize varieties tends toward those that are resistant to dense planting,lodging,and have quick grain dehydration characteristics.To select suitable grain maize varieties for mechanical harvesting in the dryland area of Longdong,a comprehensive evaluation was conducted on the phenotypic traits and mechanical harvesting suitability of 17 introduced maize varieties using the grey correlation analysis method.The results showed that,although Heheng 5266 had high yield,its mechanical harvesting performance was not ideal.Dika 159,Xianfeng 9,Xianyu 1483,Wugu 737,and Xinnongyu 6003 performed well overall and could be promoted as reserve varieties for grain mechanical harvesting in the dryland area of Longdong,especially Wugu 737,which had a high yield,good resistance,and excellent mechanical harvesting performance,and should be vigorously promoted for planting.
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