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Acta Horticulturae Sinica ›› 2026, Vol. 53 ›› Issue (6): 1709-1721.doi: 10.16420/j.issn.0513-353x.2025-0168

• Cultivation · Physiology & Biochemistry • Previous Articles     Next Articles

Research on Grafting Compatibility Between of Taishuu Persimmon on Suzhen 1 and Other Rootstocks

YU Jiangtao, YE Xialin, LI Haozhen, KANG Qingxuan, YU Xinyi, QU Shenchun*()   

  1. College of HorticultureNanjing Agricultural University, Nanjing 210095, China
  • Received:2025-12-23 Revised:2026-03-12 Online:2026-06-24 Published:2026-06-24
  • Contact: QU Shenchun

Abstract:

Persimmon rootstock‘Suzhen 1’(Diospyros kaki Thunb.)is a cultivar in Jiangsu Province,it exhibits robust growth potential and stress resistance. To determine its potential as an elite rootstock cultivar,this study evaluated its graft compatibility with Taishuu persimmon and the subsequent growth performance after grafting. Xiaoguo Tianshi,Wugang Yeshi,Shizhen 4 and Diospyros lotus were used as reference rootstocks for Suzhen 1. Grafting compatibility was assessed by examining survival rates,growth of grafted plants,enzyme activity and lignin content at the graft Union,and nutrient levels in scion leaves. All four rootstocks except Diospyros lotus demonstrated good compatibility with Taishuu persimmon. Notably,when Suzhen 1 was used as the rootstock,the plant height reached an average of 65.5 cm at 90 days after grafting,significantly higher than other grafting combinations. The SOD enzyme activity at the grafting interface of Taishuu/Suzhen 1 was significantly higher than that of the Taishuu/Diospyros lotus at 7 and 21 days after grafting,and the POD enzyme activity was significantly higher than that of multiple grafting combinations at 60 days after grafting. The MDA content at 14 days after grafting was significantly lower than that of multiple combinations. The lignin content at the grafting interface was the highest after 60 days of grafting,along with higher levels of soluble sugar,soluble proteins,and SPAD value in scion leaves. Besides,there were no significant changes in the phenological period,fruit appearance and internal quality of three-year-old Taishuu plants grafted with Suzhen 1,Wugang Yeshi and Xiaoguo Tianshi. The grafting interface of Suzhen 1 and Taishuu persimmon heals rapidly,strong growth vigor,and favorable grafting compatibility. Moreover,it has no impact on the cultivar characteristics of Taishuu persimmon. Taishuu persimmon performed well in the early stage after grafting with Suzhen 1,outperforming several rootstocks currently used in Jiangsu Province,so it has great application potential.

Key words: persimmon, rootstock, graft compatibility, fruit quality