Journal of Taiwan Agricultural Research

Author:A-Shiarn Hwang* and Shih-Cheng Hung

Abstract:

    In order to evaluated the effects of different species of rootstocks on fruit production of ‘Murcott’ tangor. Scions of ‘Murcott’ tangor were grafted on one year old seedlings of eight species of rootstocks and planted in the Chia-Yi Agricultural Experiment Station and two sites at Gu-Keng, Yunlin County. Tree growth, yield and fruit quality were investigated at the sixth and seventh year after transplanting. Accumulated yields of healthy plants were high on rough lemon and ‘Rangpur’ lime, intermediate on trifoliate, ‘Swingle’ citrumelo and ‘Troyer’ citrange, low on sour orange and Sunki. The fruit qualities were similar among most combination of the ‘Murcott’ tangor and rootstocks species. Total soluble solids and acid contents were high from ‘Murcott’ tangor grafted on trifoliate, ‘Swingle’ citrumelo and ‘Troyer’ citrange, intermediate on Sunki and sour orange, and low on ‘Rangpur’ lime and rough lemon. In Chia-Yi Agricultural Experiment Station low yield of ‘Murcott’ tangor on ‘Swingle’ was resulted from infection with Huanglongbing, whereas low yield on Sunki and ‘Troyer’ citrange was due to Phytophthora foot or root rot.

Key words:Murcott, Citrus rootstock, Tree growth, Yield, Fruit quality

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