Performance evaluation of 8 early-ripening pear cultivars in Liaocheng,Shandong Province
In order to optimize the pear variety structure in Liaocheng,Shandong province,and se-lect high-quality and early-ripening pear varieties suitable for cultivation,the phenological period,growth and fruiting habits,fruit traits,resistance and other main traits of 8 pear varieties were investiga-ted.The result demonstrated that Zhongli 4 had the earliest fruit ripening period,on July 14th,and was an extremely early maturing variety.Zaohongyu matured at the latest on August 16th.Zhongli 4 and Eli 2 had strong tree vigor and perform well,but Sucui 1 and Sucui 4 was weak and their performance was poor.The branching ability and single plant yield of Eli 2 were the highest,while Zaosumi were the low-est.Zhongli 4 had the largest single fruit weight,while Eli 2 was the smallest.Sucui 1 and Eli 2 had higher soluble solids,and Zhongli 4 had higher hardness and total acid content,while Zaohongyu had the lowest soluble solids,hardness,and total acid content.Except for Zaosumi which was moderately resist-ant to powdery mildew,all other varieties were highly susceptible to powdery mildew.Overall,Zhongli 4 and Eli 2 had excellent comprehensive performance and were suitable for cultivation in Liaocheng,Shan-dong Province.
万方数据
维普
