Determination of high temperature stress level in Sarılop fig (Ficus carica L.)

Mehmet Ali Kargıcak; Engin Ertan

doi:10.29136/mediterranean.1848164

EN TR

Determination of high temperature stress level in Sarılop fig (Ficus carica L.)

Abstract

Figs are an important agricultural commodity in Türkiye and are expected to experience substantial changes in both yield and quality under climate change. These changes are driven by climate-related stressors that increasingly constrain fig cultivation and are expected to affect both current and future production. Perhaps the most important of these stress factors is high temperature stress combined with drought, which has become increasingly evident in recent years. This research aims to determine the critical temperature at which high temperature stress begins in figs. Accordingly, the physiological responses to high temperature stress have been examined comprehensively. The study was conducted in 2020 in the climate chamber at the Fig Research Institute using 2-year-old potted fig seedlings of the Sarılop fig variety. In this research, physiological parameters such as leaf water potential, leaf relative water content (%), electrolyte leakage (%), chlorophyll density, and leaf temperature (°C) were analyzed before and after the application of different degrees of high temperature stress conditions. The findings showed that significant physiological changes occur in fig leaves in response to heat stress, particularly a decrease in chlorophyll density, a decrease in leaf relative water content, an increase in electrolyte leakage, and a gradual decrease in leaf water potential. In conclusion, the data revealed that 55°C is the critical temperature value at which physiological responses to high heat stress become pronounced in figs. This finding can be used as a reference value in future heat stress research.

Keywords

Supporting Institution

This study was financially supported by the Scientific Research Projects Coordination Unit of Aydın Adnan Menderes University (Project no. ZRF-21045).

Project Number

ZRF-21045

Ethical Statement

There is no conflict of interest among the authors.

Thanks

We would like to thank the Aydın Adnan Menderes University Scientific Research Projects Coordination Unit, TAGEM and Fig Research Institute Directorate for their support in the execution of this project.

Determination of high temperature stress level in Sarılop fig (Ficus carica L.)

Abstract

Figs are an important agricultural commodity in Türkiye and are expected to experience substantial changes in both yield and quality under climate change. These changes are driven by climate-related stressors that increasingly constrain fig cultivation and are expected to affect both current and future production. Perhaps the most important of these stress factors is high temperature stress combined with drought, which has become increasingly evident in recent years. This research aims to determine the critical temperature at which high temperature stress begins in figs. Accordingly, the physiological responses to high temperature stress have been examined comprehensively. The study was conducted in 2020 in the climate chamber at the Fig Research Institute using 2-year-old potted fig seedlings of the Sarılop fig variety. In this research, physiological parameters such as leaf water potential, leaf relative water content (%), electrolyte leakage (%), chlorophyll density, and leaf temperature (°C) were analyzed before and after the application of different degrees of high temperature stress conditions. The findings showed that significant physiological changes occur in fig leaves in response to heat stress, particularly a decrease in chlorophyll density, a decrease in leaf relative water content, an increase in electrolyte leakage, and a gradual decrease in leaf water potential. In conclusion, the data revealed that 55°C is the critical temperature value at which physiological responses to high heat stress become pronounced in figs. This finding can be used as a reference value in future heat stress research.

Keywords

Supporting Institution

Adnan Menderes Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi

Project Number

ZRF-21045

Ethical Statement

Yazarlar arasında çıkar çatışması bulunmamaktadır.

Thanks

Bu çalışma, Aydın Adnan Menderes Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi (Proje no. ZRF-21045) tarafından mali olarak desteklenmiştir. Bu projenin yürütülmesindeki destekleri için Aydın Adnan Menderes Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi, TAGEM ve İncir Araştırma Enstitüsü Müdürlüğü'ne teşekkür ederiz.

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Details

Primary Language

English

Subjects

Horticultural Production (Other)

Journal Section

Research Article

Authors

Mehmet Ali Kargıcak ^*
0000-0002-5112-6872
Türkiye

Engin Ertan
0000-0001-9573-1153
Türkiye

Publication Date

September 22, 2026

Submission Date

December 24, 2025

Acceptance Date

May 13, 2026

Published in Issue

Year 2026 Volume: 39

DOI

https://doi.org/10.29136/mediterranean.1848164

IZ

https://izlik.org/JA67EL63TK

Cite

RIS / Bibtex

APA

Kargıcak, M. A., & Ertan, E. (2026). Determination of high temperature stress level in Sarılop fig (Ficus carica L.). Mediterranean Agricultural Sciences, 39. https://doi.org/10.29136/mediterranean.1848164

AMA

1.Kargıcak MA, Ertan E. Determination of high temperature stress level in Sarılop fig (Ficus carica L.). Mediterranean Agricultural Sciences. 2026;39. doi:10.29136/mediterranean.1848164

Chicago

Kargıcak, Mehmet Ali, and Engin Ertan. 2026. “Determination of High Temperature Stress Level in Sarılop Fig (Ficus Carica L.)”. Mediterranean Agricultural Sciences 39 (September). https://doi.org/10.29136/mediterranean.1848164.

EndNote

Kargıcak MA, Ertan E (September 1, 2026) Determination of high temperature stress level in Sarılop fig (Ficus carica L.). Mediterranean Agricultural Sciences 39

IEEE

[1]M. A. Kargıcak and E. Ertan, “Determination of high temperature stress level in Sarılop fig (Ficus carica L.)”, Mediterranean Agricultural Sciences, vol. 39, Sept. 2026, doi: 10.29136/mediterranean.1848164.

ISNAD

Kargıcak, Mehmet Ali - Ertan, Engin. “Determination of High Temperature Stress Level in Sarılop Fig (Ficus Carica L.)”. Mediterranean Agricultural Sciences 39 (September 1, 2026). https://doi.org/10.29136/mediterranean.1848164.

JAMA

1.Kargıcak MA, Ertan E. Determination of high temperature stress level in Sarılop fig (Ficus carica L.). Mediterranean Agricultural Sciences. 2026;39. doi:10.29136/mediterranean.1848164.

MLA

Kargıcak, Mehmet Ali, and Engin Ertan. “Determination of High Temperature Stress Level in Sarılop Fig (Ficus Carica L.)”. Mediterranean Agricultural Sciences, vol. 39, Sept. 2026, doi:10.29136/mediterranean.1848164.

Vancouver

1.Mehmet Ali Kargıcak, Engin Ertan. Determination of high temperature stress level in Sarılop fig (Ficus carica L.). Mediterranean Agricultural Sciences. 2026 Sep. 1;39. doi:10.29136/mediterranean.1848164

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The author (s) submitting works to Mediterr Agric Sci are expected to comply with the following ethical responsibilities:
• The works submitted by the author (s) are expected to be original. If the author (s) make use of or use other studies, they must cite and / or cite in a complete and accurate manner.
• People who do not contribute intellectually to the content of the study should not be mentioned as authors.
• The situations and relationships of any work submitted for publication that may constitute a conflict of interest should be explained.
• Raw data of the manuscripts may be requested from the author (s) within the framework of the evaluation process, in which case the author (s) should be prepared to submit the expected data and information to the editorial board and the scientific committee.
• The author (s) must have a document showing that they have the rights to use the data used, that they have the necessary permissions for the research / analysis, or that the consent of the test subjects has been obtained.
• The author (s) have an obligation to cooperate with the editor to inform, correct or withdraw the editor or publisher if he / she discovers a mistake or error related to his / her published, printed or evaluation work.
• Authors cannot keep their work in the application process of more than one journal at the same time. Each application may be initiated following the completion of the previous application. The study published in another journal cannot be sent to the Mediterr Agric Sci.
• It is not possible to change the author responsibilities (such as adding author, changing the order of author, removing the author) of a study that has started the evaluation process.

Ethical Duties and Responsibilities of Editors
The editors and Associate Editors of Mediterr Agric Sci have the following ethical duties and on the basis of the COPE Code of Conduct and Best Practice Guidelines for Journal Editors and Practice COPE Best Practice Guidelines for Journal Editors published by the Committee on Publication Ethics (COPE) should have responsibilities:

Relations with the readers
Editors should make decisions based on the knowledge, skills and experience expectations of all readers, researchers and practitioners. To contribute the published works to readers, researchers, practitioners and scientific literature and to be original should pay attention. In addition, editors are obliged to take into account the feedback from readers, researchers and practitioners, and to provide explanatory and informative feedback.

Relations with authors
The duties and responsibilities of the editors against the authors are as follows:
• Editors should make positive or negative decisions based on the importance, original value, validity, clarity of expression, and the objectives and objectives of the journal.
• The studies that are in compliance with the publication scope should be taken to the pre-evaluation stage unless there is a serious problem.
• Editors should not ignore favorable peer reviewer proposals unless there is a serious problem with the work.
• New editors should not change the decisions made by the previous editor (s) for the work, unless there is a serious problem.
• "Blind Judging and Evaluation Process" must be published and editors should avoid deviations from the defined processes.
• Editors should publish an Author's Guide that includes every topic that is expected by the authors in detail. These guides should be updated periodically.
• Authors should be provided with explanatory and informative notification and return.

Relations with Peer Reviewer’s
The duties and responsibilities of editors against peer reviewers are as follows:
• designate the peer reviewers according to the subject of the study.
• It is obliged to provide the information and guides that the peer reviewers need during the evaluation phase.
• The authors and peer reviewers have to observe whether there is a conflict of interest.
• In the context of blanking arbitration, the peer reviewer’s identity information should be kept confidential.
• Encourage peer reviewers to consider working in an objective, scientific and objective language.
• Evaluate the peer reviewers with criteria such as timely return and performance.
• Develop policies and practices to improve the performance of peer reviewers.
• Take the necessary steps to dynamically update the peer reviewer pool.
• Prevent disrespectful and unscientific assessments.
• Take steps to ensure that the peer reviewer pool is composed of a wide range.

Relations with editorial board
Editors should ensure that all editorial board members proceed with the publication policies and guidelines. The editorial board should inform its members about the publication policies and keep them informed of developments. New editorial board members educate, provide the information they need.

Relations with magazine owner and publisher
The relationship between editors and publisher is based on the principle of editorial independence. As per the written agreement between the editors and the publisher, all decisions of the editors are independent of the publisher and the journal owner.
Editorial and blind arbitration processes
Editors; The journal is obliged to implement the "Blind Arbitration and Evaluation Process" policies in the publication policies. In this context, the editors ensure that the fair, impartial and timely evaluation of each work is completed.
Quality assurance
Editors; is responsible for the publication of each article published in the journal in accordance with journal publishing policies and international standards.

Protection of personal data
Editors; and to ensure the protection of personal data relating to the subjects or visuals involved in the studies evaluated. Unless the express consent of the individuals used in the studies is documented, it is responsible for rejecting the study. In addition, editors; The author is responsible for protecting the individual data of the peer reviewers and readers.

Ethics committee, human and animal rights
Editors; to ensure the protection of human and animal rights in the studies evaluated. Ethics committee approval of the subjects used in the studies is responsible for rejecting the study in the absence of permission for experimental research.

Measure against possible abuse and misconduct
Editors; is obliged to take measures against possible misconduct and misconduct. In addition to conducting a rigorous and objective investigation into the identification and evaluation of complaints, the editor is also responsible for sharing findings.

Protection of intellectual property rights
Editors; to protect the intellectual property rights of all published articles and to defend the rights of journal and author (s) in case of possible violations. In addition, editors are required to ensure that the content of all published articles does not infringe the intellectual property rights of other publications.
measures.

Complaints
Editors; The author is obliged to examine the complaints coming from the peer reviewers or readers carefully and to respond in an illuminating and explanatory manner.

Political and Commercial Concerns
The owner, publisher and any other political and commercial elements do not affect the independent decision-making of the editors.

Ethical Responsibilities of Peer reviewers
The evaluation of all studies with "Blinding Peer reviewer" directly affects the quality of the publication. This process provides confidence through objective and independent evaluation of the publication. The evaluation process of Mediterr Agric Sci is carried out with the principle of double-blinded arbitration.
The peer reviewers cannot contact the authors directly. Reviews and comments are communicated through the journal management system. In this process, peer reviewer comments on evaluation forms and full texts are forwarded to the author (s) through the editor. In this context, peer reviewers evaluating the work for Mediterr Agric Sci are expected to have the following ethical responsibilities:
• Only work related to the field of expertise should accept the evaluation.
• Evaluate in neutrality and confidentiality.
• If he thinks that he is facing a conflict of interest during the evaluation process, he should refuse to review the study and inform the journal editor.
• Dispose of the studies they review in accordance with the principle of confidentiality after the evaluation process. They can only use the final versions of the studies they have reviewed after they are published.
• Evaluate objectively in relation to the content of the study. Nationality should not allow gender, religious beliefs, political beliefs and commercial concerns to influence assessment.
• Evaluate in a constructive and gentle language. Do not make humiliating personal comments that include hostility, slander and insult.
• Carry out the work they accept to evaluate in a timely manner and with the above ethical responsibilities.

Conflicts of interest
Editors; it ensures that the publication of the manuscripts is completed independently and impartially, taking into account conflicts of interest between the author (s), the peer reviewers and other editors.

Plagiarism Control
A plagiarism document is requested from the authors during the first submission; however, the journal reserves the right to check all submissions after peer-reviewing process through appropriate plagiarism checking tools. In accordance with the publication ethics of Mediterr Agric Sci, it is obligatory that plagiarism audits are carried out in order to protect the integrity of all studies that have passed through the Blind Arbitration Assessment Process ". Within this scope, a copy of each study is subject to plagiarism control by a company approved by the editorial board. The material responsible for the audit belongs to the author (s). Plagiarism is controlled by Turnitin and iThenticate software. Each work is analyzed in-depth by means of software, and the matching and citation matches are extracted. The remaining matches are examined and the errors are detected and reported to the editorial board. The editorial board makes the final decision about the study in the light of the plagiarism audit report of each study. Errors in the report may be requested to be corrected by the authors or the work may be returned to the authors.

Bibliography, Submission and Citation Control
Scientific research is based on previous studies. In the studies conducted, reference is made to the previous studies within the framework of certain rules and references. Mistakes made intentionally or unknowingly in scientific studies undermine the reliability of the study and publication. Mediterr Agric Sci sees it as imperative that accurate and complete references and citations are accepted as a result of the evaluation. Within this scope, after each work is accepted, a bibliography, sending and citation control is carried out by the editorial board. The material responsibility for the control carried out belongs to the author (s).
The bibliography, submission and citation control of accepted studies are carried out for the full text in the following steps:
• Bibliography is prepared in accordance with the procedures and principles contained in the Intructions for Authors section of the journal.
• It is checked whether the references in the text of each reference in the bibliography are given according to the procedures and principles, and the wrong ones are corrected.
• References to in-text references are checked. The missing ones are requested from the authors and the wrong ones are corrected. Procedures and principles of references for full text are taken into consideration.

Layout and Typesetting
Mediterr Agric Sci requires the uniformity of the articles, their readability and the standard and uniform print format required by the standards. In this context, plagiarism audit and bibliography editing are completed by the Editorial Board. The responsibility for the checking of the galleyproofs rests with the author (s).

Giving the DOI Number
The Digital Object Identifier (DOI) is a unique access number that allows the identification and access of each published work electronically. A DOI number is mandatory for each study published in Mediterr Agric Sci. Plagiarism audit, bibliography check and print version are prepared by the editorial board after the acceptance stage.