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| Effects of different rootstocks on fruit quality of‘ Shatangju’ mandarin |
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| DOI：10.16768/j.issn.1004-874X.2016.08.007 |
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| Abstract: |
| ‘Shatangju’（ Citrus reticulata Blanco cv. Shatangju） mandarin is main citrus cultivar with the largest cultivated area in Guangdong province，China. Rootstock has a central position in citrus cultivation，and screening suitable rootstock is very important for increasing fruit quantity and yield. To obtain insight into fruit quality difference，we performed a comparative analysis of‘ Shatangju’ mandarin grafted onto 8 rootstocks:‘Goutou’ orange（ C. aurantium L.），Fragrant orange（ C. junons Sieb. ex. Tanaka），Sunki mandarin（ C.reticulata Blanco），Citrange（ Poncirus trifoliata（L.） Raf×C. sinensis Osb），‘Shatangju’ mandarin，Trifoliate orange〔P. trifoliate（ L.） Raf〕，Rough lemon（ C. jambhiri Lush） and Canton lemon（ C. limonia Osbeck）. The results showed that，compared with other rootstocks，Citrange had more rough peel，lower peel brightness and more significant grooves of fruit apex. The peel from fragrant orange was the smoothest and thickest，and had the highest red degree value than other rootstocks. Fragrant orange had more round fruit shape and the lowest yield，pulp with medium sugar and acid had significantly higher firmness than the others. The fruit vertical and horizontal diameter，vesicle size and length，titratable acidity，fruit weight from trifoliate orange were significantly smaller than the other rootstocks. But trifoliate orange with more rough and brighter peel had the most highest yield per plant than other rootstocks. These results indicated that trifoliate orange performed better compared to other rootstocks，and was the suitable rootstock for‘ Shatangju’ mandarin in Guangdong province，China. |
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