Special Issue "Rootstocks: History, Physiology, Management and Breeding"

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Propagation and Seeds".

Deadline for manuscript submissions: 20 December 2021.

Special Issue Editors

Dr. Mary-Rus Martínez Cuenca
E-Mail Website
Guest Editor
Valencian Institute of Agrarian Research (IVIA), 46113 Valencia, Spain
Interests: physiology; abiotic stress; citrus; kiwi; iron chlorosis; mineral nutrition; tolerance
Special Issues and Collections in MDPI journals
Dr. María Ángeles Forner-Giner
E-Mail Website
Guest Editor
Valencian Institute of Agrarian Research (IVIA), 46113 Valencia, Spain
Interests: citrus; rootstock; breeding; abiotic stress; salinity; flooding
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

The journal Horticulturae will be jointly publishing a Special Issue on plant rootstocks. Adverse environmental conditions, abiotic and biotic stresses, cause major losses in plant growth and crop yield and, consequently, threaten global food security. The impact is especially relevant in modern agriculture based on a limited number of rootstocks, so the appearance of a threat may compromise global food security. This is the case of the long-known citrus tristeza virus (CTV) or the recent expansion of HLB in citrus orchards. The search for new rootstocks which guarantee crop performance and maintain physicochemical quality is a major aim of the crop industry in many countries. New diseases, the spread of known ones, and plant culture under different environmental conditions force the demand for new rootstocks, which represents a crucial aim for breeding programmes in several countries.

This Issue attempts to provide an overview of the most recent studies on physiology, plant development, and management techniques achieved from rootstock breeding programmes. An in depth understanding of these aspects should shed light on the mechanisms for improving crops to overcome severe harmful conditions.

Dr. Mary-Rus Martínez Cuenca
Dr. María Ángeles Forner-Giner
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 papers will be 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 100 words) can be sent to the Editorial Office for announcement on this website.

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-blind 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 1400 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

  • abiotic stress
  • biotic stress
  • plant response
  • adaptation
  • hybrids
  • physiology
  • breeding programmes
  • management techniques
  • yield

Published Papers (1 paper)

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Research

Article
Rootstock–Scion Hydraulic Balance Influenced Scion Vigor and Yield Efficiency of Malus domestica cv. Honeycrisp on Eight Rootstocks
Horticulturae 2021, 7(5), 99; https://doi.org/10.3390/horticulturae7050099 - 03 May 2021
Viewed by 689
Abstract
Rootstocks with internal hydraulic limitations can effectively restrict scion growth, influence crop load, and improve yield efficiency in apple production. The characteristics of xylem vessels in rootstock and scion play essential roles in determining the hydraulic properties of the grafted tree; however, much [...] Read more.
Rootstocks with internal hydraulic limitations can effectively restrict scion growth, influence crop load, and improve yield efficiency in apple production. The characteristics of xylem vessels in rootstock and scion play essential roles in determining the hydraulic properties of the grafted tree; however, much remains unknown for commonly available rootstocks. In this study, we extracted secondary xylem using an increment borer from living Honeycrisp scion (Malus domestica cv. ‘Honeycrisp’), and two Malling rootstocks, one Budagovsky rootstock, and five Geneva rootstocks. The size and density of xylem vessels in rootstocks and scions were analyzed in relation to trunk cross-section area (TCSA), tree–water relations, and fruit dry matter of 2019, as well as with cumulative yield efficiency during 2014–2019. Honeycrisp scion exceeded most of the rootstocks in cross-section size and density of vessel elements. Scion vigor and cumulative yield were positively correlated with TCSA and total vessel cross-section area (VCSA) of the rootstock, with G.202 being the highest, and B.9 being the lowest with small xylem vessels in high density. In the rootstocks with the highest cumulative yield efficiency, the rootstock/scion ratio in VCSA was equal to or slightly higher than 1. Lower scion vessel density in G.214 was associated with lower fruit dry matter weight, more restricted water relations, and worsened leaf chlorosis. G.935 with larger rootstock vessels led to both high yield and high yield efficiency. This suggested that higher scion vessel density and larger rootstock vessel size can be advantageous characteristics for early-stage evaluation. Full article
(This article belongs to the Special Issue Rootstocks: History, Physiology, Management and Breeding)
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