Nutrient acquisition efficient rootstocks improve zinc nutrition of top-grafted citrus trees on calcareous soil.

ABSTRACT:

Introduction

Zinc deficiency is a common issue in top-grafted citrus trees. Citrus scions top-grafted on rootstocks may exhibit zinc deficiency due to reduced mineral absorption and transport. Therefore, selecting the appropriate rootstock is thought to be crucial for Zn nutrition of top-grafted citrus trees.

Methods

To test this assumption, we performed top-grafting of citrus scions using Poncirus trifoliata (L.) Raf. and Citrus junos (Sieb.) Tanaka as rootstocks and analyzed growth, Zn nutrition, and physiological traits of the top-grafted citrus trees.

Results and discussion

The results indicated that, compared with the Poncirus trifoliata (L.) Raf. rootstock, the C. junos (Sieb.) Tanaka rootstock significantly increased the Zn level in

SUBMITTER: Xie J 

PROVIDER: S-EPMC12350133 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature