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Horticulturae
Volume 8
Issue 11
10.3390/horticulturae8111039
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Article

A Study of Scion Phenotypes in Pummelo Grafted onto a New Citrus Rootstock Citrus junos ‘Pujiang Xiangcheng’

by
Rui Xie
1,2,†,
Wen He
1,2,†,
Jiufeng Chai
1,2,
Liang Luo
1,2,
Yan Wang
1,2,
Qing Chen
1,
Haoru Tang
1,2 and
Xiaorong Wang
1,2,*
1
College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
2
Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu 611130, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Horticulturae 2022, 8(11), 1039; https://doi.org/10.3390/horticulturae8111039
Submission received: 26 October 2022 / Revised: 1 November 2022 / Accepted: 4 November 2022 / Published: 6 November 2022
(This article belongs to the Section Fruit Production Systems)
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Abstract

Citrus is one of the most important fruit crops in the world. Citrus junos Siebold ex Tanaka cv. Pujiang Xiangcheng is a new rootstock with a good grafting affinity and multiple abiotic stress tolerance. In this study, the effects of ‘Pujiang Xiangcheng’ and two commonly used rootstocks for Citrus maxima (Burm.) Merrill cv. Guanxi Miyou, considering their growth, photosynthetic performance, phytohormones and fruit quality, were evaluated. There was little difference between three graft combinations in the height and diameter of the scions. However, the rootstock ‘Pujiang Xiangcheng’ can cause an up-regulated photosynthetic capacity. In addition, ‘Guanxi Miyou’ on ‘Pujiang Xiangcheng’ had the highest total sugar (TS) content (129.28 mg·g−1) and the lowest titratable acid (TA) content (0.78 g·100 mL−1) in 2020 and the highest TSS (11.84%) in 2021. There was no significant difference in the TSS-to-acid ratio between the fruit of ‘Guanxi Miyou’ on trifoliate orange (13.41) and ‘Pujiang Xiangcheng’ (15.68), but it was significantly higher than that of ‘Guanxi Miyou’ on sour pummelo (11.61). Moreover, the comprehensive fruit quality of ‘Guanxi Miyou’ on ‘Pujiang Xiangcheng’ was better than on sour pummelo and trifoliate orange based on two-year statistics. We suggest that ‘Pujiang Xiangcheng’ might be the appropriate rootstock of ‘Guanxi Miyou’ in production compared with sour pummelo and trifoliate orange.
Keywords: fragrant citrus; phytohormone; fruit quality; photosynthesis; tree vigor fragrant citrus; phytohormone; fruit quality; photosynthesis; tree vigor

Share and Cite

MDPI and ACS Style

Xie, R.; He, W.; Chai, J.; Luo, L.; Wang, Y.; Chen, Q.; Tang, H.; Wang, X. A Study of Scion Phenotypes in Pummelo Grafted onto a New Citrus Rootstock Citrus junos ‘Pujiang Xiangcheng’. Horticulturae 2022, 8, 1039. https://doi.org/10.3390/horticulturae8111039

AMA Style

Xie R, He W, Chai J, Luo L, Wang Y, Chen Q, Tang H, Wang X. A Study of Scion Phenotypes in Pummelo Grafted onto a New Citrus Rootstock Citrus junos ‘Pujiang Xiangcheng’. Horticulturae. 2022; 8(11):1039. https://doi.org/10.3390/horticulturae8111039

Chicago/Turabian Style

Xie, Rui, Wen He, Jiufeng Chai, Liang Luo, Yan Wang, Qing Chen, Haoru Tang, and Xiaorong Wang. 2022. "A Study of Scion Phenotypes in Pummelo Grafted onto a New Citrus Rootstock Citrus junos ‘Pujiang Xiangcheng’" Horticulturae 8, no. 11: 1039. https://doi.org/10.3390/horticulturae8111039

APA Style

Xie, R., He, W., Chai, J., Luo, L., Wang, Y., Chen, Q., Tang, H., & Wang, X. (2022). A Study of Scion Phenotypes in Pummelo Grafted onto a New Citrus Rootstock Citrus junos ‘Pujiang Xiangcheng’. Horticulturae, 8(11), 1039. https://doi.org/10.3390/horticulturae8111039

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