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对1965年定植的23个柚(Citrus grandis Osbeck)品种进行了20多年的性状比较。筛选出矮化类型6个,早熟和晚熟类型各3个,丰产类型6个,品质优良类型11个。发现仅有部分柚品种富含维生素C;果汁中维生素C含量与酸含量呈明显负相关。证实长寿沙田柚中的冬瓜圈和古老钱两个选系比广西沙田柚更丰产优质;垫江白柚质优,但产量低。简述了各参试品种的利用前途。
A total of 23 Citrus grandis Osbeck cultivars planted in 1965 were compared for more than 20 years. Six dwarf types, three early-maturing and late-maturing varieties, six high yielding types and eleven quality-type were screened out. Only some of the pomelo varieties were found to be rich in vitamin C; the content of vitamin C in fruit juice was negatively correlated with the acid content. Confirmed that the longevity of pomelo melon ring and ancient money two selected lines of Guangxi Shatian pomelo more yield and quality; Dianjiang white grape quality, but low yield. Briefly describe the use of various varieties of the future.