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EVALUATION OF LODGING RESISTANCE IN SUGARCANE (SACCHARUM SPP. HYBRID) GERMPLASM RESOURCES

In order to observe the performance of lodging-related traits, evaluate the lodging-resistant ability of different combinations of sugarcane, a field experiment was conducted in 2018. Thirty sugarcane combinations were used as the materials, and the lodging grade, fracture resistance force, basal stem diameter, middle stem diameter and brix were investigated. With the data of lodging classification, the lodging resistance index was established. It was found that the lodging resistance index was significantly and positively correlated with the ratio of basal and middle stem diameters and brix. A cluster analysis was conducted, for the thirty sugarcane combinations by the lodging resistance index, which showed sixteen were lodging resistant, thirteen half-lodging, and two complete-lodging.