Pre-grafting exposure to root-promoting compounds improves top-grafting performance of citrus trees
Abstract: Top grafting is an efficient and practical technique for the renewal and rejuvenation of citrus trees in old orchards. However, root death after top grafting restricts plant growth and canopy reconstruction. Thus, applications of rooting promotion substances before citrus top grafting may increase the amount and activity of roots, thereby enhancing top-grafted plant performance. To test this assumption, four rooting promotion substances, i.e., rooting promotion powder, biochar, organic fertilizer, and potassium fulvic acid, were applied before top grafting, and the effects on biometric and physiological parameters were analyzed after top grafting. The results showed that the application of all rooting promotion substances before top grafting has a positive effect on growth and mineral nutrient acquisition, as well as on foliar C and N assimilates and the activity of anti-oxidative enzymes of top-grafted plants. Rooting promotion powder and biochar had the best effect on top-grafted tree performance in the short term. In conclusion, pre-grafting root promotion reduced root damage, enhanced nutrient acquisition, and improved the physiological performance of top-grafted plants. Therefore, this approach can play a crucial role in accelerating canopy reconstruction in old citrus orchards and in improving citrus plant development
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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Plants. - 13, 22 (2024) , 3159, ISSN: 2223-7747
- Klassifikation
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Fotografie, Computerkunst
- Ereignis
-
Veröffentlichung
- (wo)
-
Freiburg
- (wer)
-
Universität
- (wann)
-
2024
- Urheber
-
Xie, Jiawei
Chen, Zhihui
Lali, Mohammad Naeem
Xiong, Huaye
Wang, Yuheng
Niu, Runzheng
Zhao, Jingkun
He, Xinhua
Zhang, Yueqiang
Shi, Xiaojun
Rennenberg, Heinz
- DOI
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10.3390/plants13223159
- URN
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urn:nbn:de:bsz:25-freidok-2593488
- Rechteinformation
-
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
-
15.08.2025, 07:35 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Xie, Jiawei
- Chen, Zhihui
- Lali, Mohammad Naeem
- Xiong, Huaye
- Wang, Yuheng
- Niu, Runzheng
- Zhao, Jingkun
- He, Xinhua
- Zhang, Yueqiang
- Shi, Xiaojun
- Rennenberg, Heinz
- Universität
Entstanden
- 2024
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