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Horticulturae
Special Issues
Recent Advances in Citrus Cultivation and Scion–Rootstock Interactions
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Recent Advances in Citrus Cultivation and Scion–Rootstock Interactions

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Fruit Production Systems".

Deadline for manuscript submissions: closed (30 April 2026) | Viewed by 6677

Editors

Prof. Dr. Mateus Pereira Gonzatto

E-Mail Website
Guest Editor
Department of Agronomy, Federal University of Viçosa, Viçosa, Brazil
Interests: citriculture; citrus and mango ecophysiology; scion/interstock/rootstock interactions; plant growth regulators; biostimulants; fruit thinning; fruit maturation; orchard management
Dr. Ana Claudia Costa

E-Mail Website
Guest Editor
Department of Agriculture, Federal University of Lavras, Lavras, Brazil
Interests: propagation; scion/rootstock interactions; cultural and phytosanitary orchard management; climate zoning for citrus
Dr. Edson Bertolini

E-Mail Website
Guest Editor
Department of Plant Protection, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
Interests: plant health; diagnostic and detection methods; epidemiology; pest management; control measures

Special Issue Information

Dear Colleagues,

Citrus plants are among the most widely grown plants, and their fruits are consumed worldwide, making them of great economic and cultural importance to humankind. As a member of Rutaceae family, mainly of the genera Citrus, Fortunella and Poncirus, and their interspecific and intergeneric hybrids, are important. The improvement of scientific knowledge related to citrus cultivation aims to increase the productivity of high-quality fruits. Aspects related to fertilization, pruning, fruit thinning, girdling, plant growth regulators and biostimulants, genetic improvement, and phytosanitary management are fundamental for the sustainability of citriculture in a scenario of climate change and intensification of multiple abiotic stresses. In addition, phytosanitary challenges threaten global citrus production. The use of innovative scion–rootstock combinations has emerged as a key strategy to enhance plant resilience, improve disease resistance, and mitigate the impact of biotic stressors, contributing to achieve more sustainable and productive citrus orchards.

Therefore, the Special Issue entitled "Recent Advances in Citrus Cultivation and Scion–Rootstock Interactions” aims to present the current knowledge status of this topic, developed by researchers worldwide. Innovative articles on various aspects of citrus cultivation and scion/rootstock interactions are also welcomed in this Special Issue.

Prof. Dr. Mateus Pereira Gonzatto
Dr. Ana Claudia Costa
Dr. Edson Bertolini
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Horticulturae is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • citrus ecophysiology
  • orchard management
  • abiotic stress
  • biotic stress
  • interstock
  • horticultural practices
  • interstock

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Published Papers (2 papers)

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Research

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27 pages, 7163 KB  
Article
Salinity–Chloride Interaction Effects on Novel Citrus Combinations Under Various Field Conditions
by Hend Askri, Sywar Haffani, Hager Snoussi, Rim Zitouna-Chebbi, Tarek Fezzani, Asma Najar and Ronny Berndtsson
Horticulturae 2026, 12(4), 482; https://doi.org/10.3390/horticulturae12040482 - 15 Apr 2026
Viewed by 2081
Abstract
Citrus production is increasingly constrained worldwide by rising soil salinity, particularly in arid and semi-arid regions. In Tunisia, the expansion of saline soils represents a major abiotic stress limiting orchard productivity. The identification of salt-tolerant rootstocks has therefore become a priority, especially as [...] Read more.
Citrus production is increasingly constrained worldwide by rising soil salinity, particularly in arid and semi-arid regions. In Tunisia, the expansion of saline soils represents a major abiotic stress limiting orchard productivity. The identification of salt-tolerant rootstocks has therefore become a priority, especially as alternatives to sour orange (SO, Citrus aurantium L.), which is highly susceptible to Citrus tristeza virus. In recent years, several outbreaks of the disease have been reported in the Cap Bon citrus-growing region, posing an imminent threat to the sustainability of citrus production in Tunisia. This study evaluated the salt tolerance of commercial cultivars (HER, MAR, WN, NH) grafted onto Citrus volkameriana Ten. & Pasq. (CV, Citrus aurantium × Citrus limon (L.) Burm.f.) and three Poncirus trifoliata hybrids (CC, C35, CTR) under irrigation water salinity ranging from 1.1 to 4.1 mS/cm and soil salinity between 1.8 and 3.8 mS/cm. Data were collected between 2020 and 2021 in five young citrus orchards (KHB, OSN, BKN, BSJ, CHK) located in the main citrus-producing region of Tunisia, with key physiological measurements conducted during the high-evaporation period. Salinity increased across most sites during summer 2021, affecting ion homeostasis, Na+/K+ selectivity, stomatal traits, photosynthetic performance, and growth. The highest leaf Cl− concentration (0.4 meq g−1 dry weight) was recorded in the sensitive HER/CC combination at the OSN site. Increased salinity at OSN was associated with a 0.86% reduction in canopy growth compared to BSJ. Rootstock tolerance was strongly linked to the ability to restrict Cl− accumulation in leaf tissues. Under higher salinity conditions, CV showed superior performance and represents a suitable alternative to SO. Full article
(This article belongs to the Special Issue Recent Advances in Citrus Cultivation and Scion–Rootstock Interactions)
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Review

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18 pages, 325 KB  
Review
Physiological and Molecular Insights into Citrus Rootstock–Scion Interactions: Compatibility, Signaling, and Impact on Growth, Fruit Quality and Stress Responses
by Peng Wang, Feng Liu, Yueting Sun, Xiao Liu and Longfei Jin
Horticulturae 2025, 11(9), 1110; https://doi.org/10.3390/horticulturae11091110 - 13 Sep 2025
Cited by 12 | Viewed by 4006
Abstract
Grafting is a crucial horticultural propagation technique that plays a vital role in citrus production and research. Selecting compatible rootstock–scion combinations is essential for achieving high yields and superior fruit quality in citrus cultivation. This paper reviews recent advances in the physiological and [...] Read more.
Grafting is a crucial horticultural propagation technique that plays a vital role in citrus production and research. Selecting compatible rootstock–scion combinations is essential for achieving high yields and superior fruit quality in citrus cultivation. This paper reviews recent advances in the physiological and molecular mechanisms involved in rootstock–scion interactions in citrus, with a focus on (1) commonly used rootstocks, (2) graft compatibility, (3) signal molecule transport at the graft union, and (4) the effects of rootstock–scion interactions on citrus growth, nutrient absorption, fruit quality, and responses to both biotic and abiotic stresses. Additionally, we prospected the future research direction and practical applications of rootstock–scion interactions. Full article
(This article belongs to the Special Issue Recent Advances in Citrus Cultivation and Scion–Rootstock Interactions)
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