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Horticulturae
Special Issues
Advance in Molecular Mechanism of Horticultural Crops - Pathogens
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Advance in Molecular Mechanism of Horticultural Crops - Pathogens

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Plant Pathology and Disease Management (PPDM)".

Deadline for manuscript submissions: closed (15 May 2023) | Viewed by 3969

Special Issue Editors

Dr. Jian Ling

E-Mail Website
Guest Editor
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: genome resarch between host pathogen interaction
Dr. Jiao Yang

E-Mail Website
Guest Editor
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: metabolomics; host pathogen interaction

Special Issue Information

Dear Colleagues,

With the progress in sequencing technology, horticultural research has entered an era of multi-omics. Omics data such as genome, transcriptome, resequencing, and metabolomics help us to further understand the growth and development of horticultural crops, responding to abiotic stress, interaction between host and pathogen, and so on.

The aim of this Special Issue of Horticulturae is to present a collection of articles that use omics data to provide insight into horticultural crops and pathogens. Topics might include but are not limited to the genome analysis of horticultural crops and their pathogens, transcriptome and metabolomics analysis in abiotic and biotic stress, and microbial diversity associated with horticultural crops. We will particularly consider manuscripts that deepen our understanding of horticultural crops research.

Dr. Jian Ling
Dr. Jiao Yang
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 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 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

  • genomes
  • transcriptome
  • resequencing
  • mutagenesis
  • metabolomics
  • host-pathogen interaction
  • population genetics
  • microbial diversity

Published Papers (2 papers)

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Research

13 pages, 4163 KiB  
Article
Genetic Mapping of a Candidate Gene ClIS Controlling Intermittent Stripe Rind in Watermelon
by Yinping Wang, Shixiang Duan, Qishuai Kang, Dongming Liu, Sen Yang, Huanhuan Niu, Huayu Zhu, Shouru Sun, Jianbin Hu, Junling Dou and Luming Yang
Horticulturae 2023, 9(2), 263; https://doi.org/10.3390/horticulturae9020263 - 15 Feb 2023
Cited by 1 | Viewed by 1831
Abstract
Rind pattern is one of the most important appearance qualities of watermelon, and the mining of different genes controlling rind pattern can enrich the variety of consumer choices. In this study, a unique intermittent rind stripe was identified in the inbred watermelon line [...] Read more.
Rind pattern is one of the most important appearance qualities of watermelon, and the mining of different genes controlling rind pattern can enrich the variety of consumer choices. In this study, a unique intermittent rind stripe was identified in the inbred watermelon line WT20. The WT20 was crossed with a green stripe inbred line, WCZ, to construct F2 and BC1 segregating populations and to analyze the genetic characterization of watermelon stripe. Genetic analysis showed that the intermittent stripe was a qualitative trait and controlled by a single dominant gene, ClIS. Fine mapping based on linkage analysis showed that the ClIS gene was located on the 160 Kb regions between 25.92 Mb and 26.08 Mb on watermelon chromosome 6. Furthermore, another inbred watermelon line with intermittent stripe, FG, was re-sequenced and aligned on the region of 160 Kb. Interestingly, only two SNP variants (T/C, A/T) were present in both WT20 and FG inbred lines at the same time. The two SNPs are located in 25,961,768 bp (T/C) and 25,961,773 bp (A/T) of watermelon chromosome 6, which is located in the promoter region of Cla019202. We speculate that Cla019202 is the candidate gene of ClIS which controls the intermittent stripe in watermelon. In a previous study, the candidate gene ClGS was proved to control dark green stripe in watermelon. According to the verification of the two genes ClIS and ClGS in 75 watermelon germplasm resources, we further speculate that the ClGS gene may regulate the color of watermelon stripe, while the ClIS gene regulates the continuity of watermelon stripe. The study provides a good entry point for studying the formation of watermelon rind patterns, as well as providing foundation insights into the breeding of special appearance quality in watermelon. Full article
(This article belongs to the Special Issue Advance in Molecular Mechanism of Horticultural Crops - Pathogens)
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11 pages, 3617 KiB  
Article
Cinnamom verum Plantations in the Lowland Tropical Forest of Mexico Are Affected by Phytophthora cinnamomi, Phylogenetically Classified into Phytophthora Subclade 7c
by Petra Andrade-Hoyos, Omar Romero-Arenas, Hilda Victoria Silva-Rojas, Alfonso Luna-Cruz, José Espinoza-Pérez, Aarón Mendieta-Moctezuma and José Alberto Urrieta-Velázquez
Horticulturae 2023, 9(2), 187; https://doi.org/10.3390/horticulturae9020187 - 02 Feb 2023
Viewed by 1812
Abstract
Cinnamon is a tree introduced to the lowlands of Mexico in the mid-16th century, but it spread to other places at the beginning of the 20th century due to its important commercial value as an aromatic spice. In the state of Veracruz, symptoms [...] Read more.
Cinnamon is a tree introduced to the lowlands of Mexico in the mid-16th century, but it spread to other places at the beginning of the 20th century due to its important commercial value as an aromatic spice. In the state of Veracruz, symptoms of dieback have been observed in 12-year-old cinnamon plantations cultivated in an agroforestry system, causing concern among producers. For this reason, the present investigation was carried out to determine the causal agent of these symptoms observed in cinnamon trees. Fifty symptomatic plants were recovered from established plantations. One hundred cinnamon root fragments showing dieback were selected and separated; isolates were made from tissue showing crown and root rot on clarified juice V-8 agar medium. After eight days, the growth of whitish coralloid mycelium with characteristics similar to the Phytophthora oomycete was consistently observed. Subsequently, the identity corresponding to P. cinnamomi was confirmed by morphological, taxonomic studies and Bayesian inference of the rDNA internal transcribed spacer. The pathogenicity test was performed on 20 6-month-old cinnamon plants grown in pots by inoculating 2.5 × 104/mL of zoospores around the roots. Control plants were inoculated with sterile distilled water and kept in a greenhouse under conditions controlled. After five weeks, symptoms of root rot were observed in the inoculated plants; however, the control group plants remained healthy. The results showed that P. cinnamomi subclade 7c was responsible for the symptoms observed in lowland cinnamon plantations in Mexico. Our findings suggest that this phytopathogen is a new threat for cinnamon growers; likewise, it is recommended that growers implement management strategies to avoid its introduction into nurseries or new plantations that could be susceptible to this pathogen. Full article
(This article belongs to the Special Issue Advance in Molecular Mechanism of Horticultural Crops - Pathogens)
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