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Plants
Special Issues
Conserving and Utilizing the Genetic Resources of Crop Wild Relatives
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Conserving and Utilizing the Genetic Resources of Crop Wild Relatives

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 5091

Special Issue Editors

Dr. Maria Cristina Duarte

E-Mail Website
Guest Editor
Departamento de Biologia Vegetal, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisbon, Portugal
Interests: plant systematics; conservation; phytogeography; genetic resources; ethnobotany; biological collections
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Maria Romeiras

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Guest Editor
Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisbon, Portugal
Interests: tropical biodiversity; botany and vegetation ecology; phylogenetics; conservation; ethnobotany; plant genetic resources; crop wild relatives
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The need to feed the world's growing population and the ever-increasing demands on nutrition make crop improvement an area with enormous potential for development. The potential of using the genetic diversity of Crop Wild Relatives (CWR) to impart new desirable traits to agricultural crops is now well recognised. Underpinning this importance is their broad genetic base and their continued adaptation to the habitats in which they occur and have evolved, making them invaluable resources. Thus, the identification of CWRs, as well as the knowledge of their genetic potential with respect to breeding use and their conservation, is fundamental to guarantee the effective use of these genetic resources in crop improvement.

Despite the enormous developments in recent years, there are many areas where knowledge needs to be improved, especially taking into account the need for crops to be more resilient in the face of expected climate change. The need to ensure complete knowledge of CWRs, of both annual and permanent crops, at regional and global levels, and the need to ensure in situ and ex situ conservation that safeguards both genetic and species-level diversity, are just some of the topics requiring development. This Special Issue focuses on contributions that can improve knowledge, increase valuation, and ensure the conservation of CWRs.

Dr. Maria Cristina Duarte
Prof. Dr. Maria Romeiras
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. Plants is an international peer-reviewed open access semimonthly 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 2700 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

  • crop wild relatives
  • distribution patterns
  • climate change
  • gene pool
  • plant genetic resources
  • in situ and ex situ conservation
  • genetic reserves

Published Papers (3 papers)

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Research

21 pages, 2446 KiB  
Article
Complementary Analysis and Implementation Plan for Conservation of Crop Wild Relatives in Finland
by Heli Fitzgerald, Elina Kiviharju, Anna Palmé and Marko Hyvärinen
Plants 2023, 12(18), 3313; https://doi.org/10.3390/plants12183313 - 19 Sep 2023
Cited by 1 | Viewed by 1447
Abstract
Crop wild relatives (CWR) are valuable wild plant species that can be used as genetic resources providing adaptive traits to crop plants and therefore they play an important role in future food security. This paper describes in situ and ex situ conservation planning [...] Read more.
Crop wild relatives (CWR) are valuable wild plant species that can be used as genetic resources providing adaptive traits to crop plants and therefore they play an important role in future food security. This paper describes in situ and ex situ conservation planning of CWR species in Finland and includes the following parts: (a) drafting of the national CWR priority list, (b) undertaking the in situ conservation gap analysis and (c) identifying ex situ conservation gaps and multi-species collecting sites for the CWR in Finland. As a result of the study, essential information was acquired, which will enhance future planning of active science-based practical conservation of CWR in Finland. Based on the new data and earlier work, a number of conservation recommendations are presented. This national work has been carried out in connection with the larger Nordic regional CWR co-operation. Full article
(This article belongs to the Special Issue Conserving and Utilizing the Genetic Resources of Crop Wild Relatives)
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15 pages, 4177 KiB  
Article
Effect of Temperature on Breaking of Morphophysiological Dormancy and Seed Germination Leading to Bulblet Production in Two Endemic Tulip Species from Greece
by Elias Pipinis, Stefanos Hatzilazarou, Stefanos Kostas, Rafaela Stagiopoulou, Konstantina Gitsa, Eleftherios Dariotis, Ioulietta Samartza, Ioannis Plastiras, Eleni Kriemadi, Pepy Bareka, Christos Lykas, Georgios Tsoktouridis and Nikos Krigas
Plants 2023, 12(9), 1859; https://doi.org/10.3390/plants12091859 - 30 Apr 2023
Cited by 1 | Viewed by 1332
Abstract
Due to botanical tulips’ economic interest coupled with limited information regarding their seed germination, we investigated the effect of temperature on dormancy release and germination in two endangered local endemic tulip species of Greece (Tulipa hageri Heldr., T. orphanidea Heldr.). Their germination [...] Read more.
Due to botanical tulips’ economic interest coupled with limited information regarding their seed germination, we investigated the effect of temperature on dormancy release and germination in two endangered local endemic tulip species of Greece (Tulipa hageri Heldr., T. orphanidea Heldr.). Their germination responses at five constant temperatures (5, 10, 15, 20, and 25 °C) were evaluated in growth chambers, while the type of seed dormancy and the temperature effect on its release were determined based on open-sourced, R-derived species-specific ecological profiles illustrating abiotic conditions of their wild habitats. The results indicated a range-specific temperature dependence in seed germination for both studied species with seed germination observed only in very low temperatures (5–10 °C). The seeds of both species after dispersal had an underdeveloped embryo. The existence of a complex morphophysiological seed dormancy was confirmed in both species by the significant embryo development only at 5 and 10 °C (almost doubled after 30 days) coupled with observed delay in germination only at low temperatures. Furthermore, to facilitate their cultivation and ex situ conservation, the germinated seeds were planted in pots to develop bulblets in greenhouse conditions resulting in bigger T. orphanidea bulblets compared to T. hageri. Full article
(This article belongs to the Special Issue Conserving and Utilizing the Genetic Resources of Crop Wild Relatives)
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20 pages, 6265 KiB  
Article
Influence of Temperature on Seed Germination of Five Wild-Growing Tulipa Species of Greece Associated with Their Ecological Profiles: Implications for Conservation and Cultivation
by Stefanos Hatzilazarou, Elias Pipinis, Stefanos Kostas, Rafaela Stagiopoulou, Konstantina Gitsa, Eleftherios Dariotis, Manolis Avramakis, Ioulietta Samartza, Ioannis Plastiras, Eleni Kriemadi, Pepy Bareka, Christos Lykas, Georgios Tsoktouridis and Nikos Krigas
Plants 2023, 12(7), 1574; https://doi.org/10.3390/plants12071574 - 06 Apr 2023
Cited by 4 | Viewed by 1738
Abstract
Although tulips are famous worldwide as ornamental plants, the knowledge about the seed germination of wild-growing species remains limited. The aim of the present study was to investigate the effect of temperature on seed germination of the local, wild-growing Greek endemics Tulipa bakeri [...] Read more.
Although tulips are famous worldwide as ornamental plants, the knowledge about the seed germination of wild-growing species remains limited. The aim of the present study was to investigate the effect of temperature on seed germination of the local, wild-growing Greek endemics Tulipa bakeri and T. goulimyi and the sub-Balkan endemic T. undulatifolia, which are threatened with extinction, as well as the Mediterranean T. australis and the Asiatic T. clusiana naturalized on Chios Island (Greece). The germination responses at five constant temperatures (5, 10, 15, 20, and 25 °C) were assessed for all studied species in growth chambers under a 12:12 light–dark photoperiod. The ecological profile for each species was developed in R using open-source bioclimatic data; this was built to illustrate the abiotic environmental conditions of their wild habitats, to facilitate the examination of temperature effects on seed germination, and to facilitate their cultivation in artificial environments. The results indicated that the seed germination requirements of the studied species had a range-specific temperature dependence, reflecting their natural adaptation to local ecological conditions. Seed germination of T. bakeri, T. australis, and T. clusiana was observed only in a narrow range of very low temperatures (5–10 °C), whereas germination of T. undulatifolia and T. goulimyi occurred at temperatures between 5 and 15 °C. A temperature increase to 20 or 25 °C resulted in the absence of seed germination for all five Greek tulip species. The germinated seeds were planted in pots and bulblets were developed under greenhouse conditions. Seeds and bulblets constitute valuable genetic materials for the cultivation and ex situ conservation of these five Greek tulip species, three of which are threatened with extinction. Full article
(This article belongs to the Special Issue Conserving and Utilizing the Genetic Resources of Crop Wild Relatives)
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