Nauki Biologiczne i Rolnicze

Journal of Plant Protection Research

Zawartość

Journal of Plant Protection Research | 2025 | vol. 65 | No 3

Abstrakt

Indiscriminate use of excessive insecticides has mounted concerns over human health and environmental pollution issues. In contrast, nanoencapsulations of many insecticides can offer a broad range of reliable and mostly safe alternatives based on their nanoparticles (NPs). These NPs possess virtually all the attributes of ideal biocontrol agents due to their minute size which economizes usage to wide surface areas and boosts reactivity to increase effectiveness. Many of their formulations presented herein have proved to render both huge biocompatibility and supreme efficiency as insecticides. This review aimed to gather information relevant to expanding and advancing technological tools for optimizing application of insecticidal essential oils and microbial toxins with the targeted release and protective merits of encapsulation. It highlights their various applications to demonstrate their merits compared to other classical and commercial usages. The target pests included a variety of exemplifying insects of stored grains, farming, and disease-vectors. Yet, limited recorded data on their possible unfavorable impacts on humans and the environment might call for their attentive usage particularly in large-scale settings. Hence, the related modes of action of essential oils and microbial toxins are provided so that they could be used effectively and carefully. Their insecticidal merits lend further urgency to the need to optimize their role in pest management as related to challenges and opportunities which are discussed here to upgrade sustainable agricultural systems.
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Autorzy i Afiliacje

Hussein S.A. Salama
1
Ibrahim E. Shehata
2
Mahfouz M.M. Abd-Elgawad
3
ORCID: ORCID

  1. Pests and Plant Protection Department, Agricultural and Biological Research Institute, National Research Centre, Giza, Egypt
  2. Pests and Plant Protection Department, Agricultural and Biological Research Institute, El-Behooth St., Dokki, Giza, Egypt
  3. Plant Pathology Department, Agricultural and Biological Research Institute, National Research Centre, El-Behooth St., Dokki, Giza, Egypt

Abstrakt

Entomopathogenic fungi (EPF) and entomopathogenic nematodes (EPNs) have a strategic and important role in the biological control of agrophages. Micro- and macro-organisms have become an alternative to chemical methods, not only reducing the use of chemical pesticides, but also preventing agrophages from becoming resistant to chemicals and minimizing risks to human, animal and environmental health. The common habitat of EPNs and EPF is the soil, but interactions between them have mainly been studied in the laboratory. Recently, there has been a growing interest in combining biological control agents to increase their efficacy, and many studies have focused on combining EPF and EPNs against different insect pests. Studies have shown synergistic, additive or antagonistic effects. The results of these interactions depend on the pathogen, the host species, the different times of infection and the choice of the appropriate pathogen dose. The aim of this review was to summarize the existing knowledge on the life cycle of nematodes and the mechanisms of action of EPF and their application in practice, as well as the interaction between EPNs and EPF in plant protection against insect pests.
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Autorzy i Afiliacje

Katarzyna Barszczewska
1
Oliwia Pietruszyńska
1

  1. Department of Biological Methods, Institute of Plant Protection – National Research Institute, Poznań, Poland

Abstrakt

Spraying pesticides is one of the most common procedures that is conducted to control pests. However, excessive use of these chemicals inversely affects the surrounding environments including the soil, plants, animals, and the operator itself. Therefore, researchers have been encouraged to develop robotic sprayers that can apply pesticides at variable rates as needed in the field. In this study, a remotely controlled sprayer with two modes (variable rate and constant rate applications) was developed and evaluated for some spray characteristics and application accuracy metrics when controlling weeds at two travel speeds. The variable rate mode resulted in a high precision, recall, and accuracy in detecting weed and applying herbicide that was 90%, 100%, and 94%, respectively. Moreover, the spray coverage, droplet density, and the deposition on weed using the variable rate mode were 34.16%, 127.64 deposites ∙ cm–2, and 7.67 μl ∙ cm–2, respectively. The result also revealed that the spray coverage, droplet density, and the deposition were less sensitive to the travel speed when adopting the variable rate mode compared to the constant rate mode.
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Autorzy i Afiliacje

Ameer H. Al-Ahmadi
1
ORCID: ORCID
Alaa K. Subr
1
ORCID: ORCID

  1. Department of Agricultural Machines and Equipment, College of Agricultural Engineering Sciences, University of Baghdad, Baghdad, Iraq

Abstrakt

This work aimed to investigate the in vitro antifungal capability of silver nanoparticles (AgNPs) that were biosynthesized from extracts of two bioagents (Moringa oleifera and Spirulina platensis) against Aspergillus parasiticus attained from Egyptian wheat grains. A. parasiticus exhibited the most established species, additionally, the metabolite of isolate 3 generated a better quantity of Aflatoxin B1 (899.8 μg·l–1). AgNPs prepared from bioagent extracts inhibited the fungal mycelia and spore germination, even though S. platensis extract was more potent. The extract of S. platensis confirmed 22 phenolic compounds, with epicatechin (3455.9 μg·g–1 DW) recording the largest quantity. In evaluation, M. oleifera leaf extract revealed the existence of 16 phenolic compounds, with chlorogenic acid verifying the very best degree (3250.9 μg·g–1 DW). Fungal mycelia treated with 10% AgNPs showed intense deformation in comparison to the control, as found through scanning and transmission electron microscopy.
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Autorzy i Afiliacje

Zakaria Awad Baka
1
ORCID: ORCID

  1. Botany and Microbiology, Faculty of Science, University of Damietta, New Damietta, Egypt

Abstrakt

Owing to the large quantity of pesticides utilized conventional pesticide formulations can have numerous negative environmental impacts such as side effects on human health and pest resistance development. Using nano-pesticide formulations can minimize the quantity of pesticides used, thereby lowering pest control costs, and environmental contamination. This work used self-emulsifying and solidification technology to convert chlorpyrifos, emamectin benzoate, and beta-cyfluthrin to solid nano-dispersions, all of which were examined for their properties and efficacy against the Egyptian cotton leafworm, Spodoptera littoralis (Boisd.). During the preparation of the formulation mixture, solid nano-dispersion particles with sizes ranging from 7 to 400 nm were developed. With the design of the nano-formulation, there were variations in the active ingredient, carrier, surfactant, and pesticide concentration types. The type of active ingredient, carrier, surfactant, and pesticide con­centration varied with the nano-formulation design. The nano-formulation with 1 to 5% pesticides, 8% a combination of Nonyl phenol ethoxylated surfactant (Unitop 100) mixed with Geronol surfactant (FF4), and sucrose as a carrier indicated the best polydispersity index, Z-average, and biological activity. Moreover, the surfactant and solvent content in the solid nano-dispersion formulation was lower than in conventional pesticide formulations. Based on the LC50 values, chlorpyrifos, emamectin benzoate, and beta-cyfluthrin solid nano-dispersions were more toxic (LC50 values were 0.17 and 0.07 for emamectin benzoate, 4.61 and 3.61 for beta-cyfluthrin, and 10.06 and 6.74 mg ∙ l–1 for chlorpyrifos after 24 and 48 h of treatment, respectively) than their conventional formulations (LC50 values were 0.85 and 0.36 for emamectin benzoate nano-dispersion, 19.19 and 15.30 for beta-cyfluthrin nano-dispersion, and 27.01 and 26.17 mg l–1 for chlorpyrifos-nano-dispersion after 24 and 48 h of treatment, respectively) against S. littorralis under labora­tory conditions. Under field conditions, chlorpyrifos, emamectin benzoate, and beta-cyfluthrin in nano-dispersion formulations were more effective against cotton leaf worms than the same insecticides in commercial formulation. Thus, nano-formulations could be recommended in pest control where they avoid organic solvents and reduce surfactants, control costs, and environmental pollution.

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Autorzy i Afiliacje

Aly Derbalah
1
El-Zahi S. El-Zahi
2
Amany Hamza
1
Mohmmed Zidan
2
Nawal Abdulaziz Alfuhaid
3
Sherif Abdeldayem
1
Reham Kamel
4
Saad Morsy
1

  1. Pesticides Chemistry and Toxicology Department, Faculty of Agriculture, Kafrelsheikh Univeristy, Kafrelsheikh, Egypt
  2. Cotton Pesticides Evaluation Department, Plant Protection Research Institute, Agricultural Research Center, Giza Egypt
  3. Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University,Al-Kharj, Saudi Arabia
  4. Agricultural Engineering Research Institute, Agricultural Research Center, Giza, Egypt

Abstrakt

Solving the fungicide resistance of the rice blast fungus Pyricularia oryzae (P. oryzae) is essential for rice production in the Mekong Delta region of Vietnam. Thus, this study aimed to investigate fungicide resistance and evaluate Ag/SiO2 nanocomposites for controlling the chemical resistance of P. oryzae. Here, a total of 30 P. oryzae isolates was collected, and most of the isolates exhibited conidia with pyriform and short pyriform. The sensitivity in vitro of all isolates was measured against those three chemicals via the poisoning method. Furthermore, the EC50 and the resistance factor (RF) were evaluated for 12 days after inoculation. The obtained results revealed that all of the P. oryzae isolates were sensitive to tricyclazole; to chlorothalonil, 67% of them were sensitive, while the rest 33% were medium-sensitive. To azoxystrobin, 17% of them were sensitive, 57% were medium-sensitive, 23% were resistant, and the rest, 3%, were highly resistant. Subsequently, the antifungal activity of the Ag/SiO2 nanocomposites against two P. oryzae resistance isolates (labeled TM4 and TAT2) was determined. Interestingly, Ag/SiO2 nanocomposites exhibited a 100% inhibition effect for mycelial growth of TM4 and TAT2 isolates at a concentration of 60 μg∙ml–1 because Ag/SiO2 nanocomposites can activate the hyphae of P. oryzae to lose their typical structure (breaking filaments and damaging cell wall integrity). Overall, this study confirms the resistance of P. oryzae isolates to azoxystrobin and chlorothalonil and also highlights the potential of Ag/SiO2 as an alternative solution to control blast rice disease.
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Autorzy i Afiliacje

Vo Thi Ngoc Ha
1
ORCID: ORCID
Bui Quang Bao
1
Ngo Van Ngoi
1

  1. Plant Protection, Nong Lam University Ho Chi Minh City, Ho Chi Minh, Viet Nam

Abstrakt

Ceratomegilla undecimnotata (Coleoptera: Coccinellidae) exhibits predacious behavior targeting a number of small aphid species, several of which are recognized as pests of cultivated plants. In the present study, the predation rate of C. undecimnotata, preying on the black bean aphid under laboratory conditions, was examined. At the highest (35°C) and lowest (17°C) temperatures tested, the mortality was significantly higher than those achieved at the other temperatures studied. Temperatures in the range of 17–35°C had a significant impact on the duration of egg, larval, pupal, and total preimaginal development. The total larval prey consumption ranged between 218.4 and 306.4 aphids. The developmental threshold of the immature stages of C. undecimnotata was estimated at 13.6°C and the thermal constant for development of the immature stages was estimated at 207.5 degree-days. This study suggests that C. undecimnotata can be an effective biocontrol agent against Aphis fabae.
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Autorzy i Afiliacje

Panagiotis J. Skouras
1
ORCID: ORCID
Konstantinos Anagnostelis
1
Eirini Karanastasi
1
ORCID: ORCID
Athanasios Tsafouros
1
ORCID: ORCID
Kallimachos Nifakos
1
Vasilis Demopoulos
1
George Stathas
2

  1. Department of Agriculture, University of the Peloponnese, Antikalamos, Kalamata, Greece
  2. Department of Agriculture, University of Patras, Nea Ktiria, Mesolonghi, Greece

Abstrakt

 Cultivation technologies based on the use of microbiological preparations or the intro­duction of cover crops in organic farming are alternatives to chemical plant protection products. To confirm this hypothesis, field studies were conducted in central Poland in 2019–2022 to determine the effect of bacterial consortia and green fertilizers from cover crops on the dry mass, abundance and species composition of dominant weed species oc­curring in spelt wheat grown in organic farming. Two factors were researched: I. Bacterial consortia: control treatment (no bacteria), bacterial consortium I (Azotobacter chroococ­cum + Azospirillum lipoferum Br17), bacterial consortium II (Bacillus megaterium var. phosphaticum + Arthrobacter agilis), bacterial consortium III (Azotobacter chroococcum + Azospirillum lipoferum Br17 + Bacillus megaterium var. phosphaticum + Arthrobacter agilis), II. Cover crops: control treatment (no cover crops), red clover, red clover + Italian ryegrass, and Italian ryegrass. Spelt wheat was harvested in late July. Just before harvesting, weeds were sampled to determine their dry matter, number, and species composition. The research clearly demonstrated that the application of bacterial consortia with cover crops significantly reduced the dry matter and number of weeds, including the dominant spe­cies. The greatest reduction in weed number was recorded in treatments after the applica­tion of bacterial consortium III in combination with plowing cover crops of red clover and a mixture of red clover and Italian ryegrass.

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Autorzy i Afiliacje

Rafał Górski
1
Alicja Niewiadomska
2
Anna Płaza
3
Agnieszka Wolna-Maruwka
2
Dorota Swędrzyńska
2
Katarzyna Głuchowska
2
Robert Rosa
3

  1. Faculty of Engineering and Economics, Ignacy Mościcki University of Applied Sciences in Ciechanów, Ciechanów, Poland
  2. Department of Soil Science and Microbiology, Poznań University of Life Sciences, Poznań, Poland
  3. Institute of Agriculture and Horticulture, Faculty of Agricultural Sciences, University of Siedlce, Siedlce, Poland

Abstrakt

Silky bentgrass (Apera spica-venti L.) is one of Central Europe’s most troublesome monocotyledonous weeds of winter crops. This study aimed to analyze the competitiveness of biotypes of silky bentgrass against winter wheat, depending on the type of soil substrate and nitrogen fertilization. In this research, in a pot experiment during two seasons, the effect of bentgrass plants, of different sensitivity/resistance to herbicides, on winter wheat was studied in an additive model. It was carried out on sandy or clay soil, either non-fertilized or fertilized with nitrogen. The competitive indices were calculated based on several wheat morphological and yield features. Multivariate analysis was incorporated to interpret the data. As a result, it was found that wheat performance was affected by bentgrass competition. No clear effect of soil type and nitrogen fertilization on the competitiveness of A. spica-venti biotypes was demonstrated. Only in one season was the pyroxsulam-resistant biotype competitive to the winter wheat when grown on fertilized clay soil. Further research with varied numbers of winter wheat and bentgrass is advised to assess crop-weed effects further.
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Autorzy i Afiliacje

Beata Jop
1
Katarzyna Marczewska-Kolasa
3
Tomasz Wójtowicz
2
Mariusz Kucharski
3
Agnieszka Synowiec
1

  1. Department of Agroecology and Crop Production, University of Agriculture in Kraków, Kraków, Poland
  2. Department of Plant Breeding, Physiology and Seed Science, University of Agriculture in Kraków, Kraków, Poland
  3. Department of Weed Science, Institute of Soil Science and Plant Cultivation – State Research Institute in Pulawy, Wrocław, Poland

Abstrakt

This study aimed to investigate the potential of plant-associated bacteria as bio-control agents for the green bell pepper rot lesion caused by Colletotrichum scovillei 244830. A total of 378 bacteria strains isolated from stems and leaves of healthy red chili and tomato were tested for their antagonistic potential. Isolate TS001 associated with tomato stems was identified as Bacillus spp. It was found that TS001 showed remarkable inhibition to C. scovillei 244830 in in vitro and in vivo tests. TS001 significantly reduced rot lesions (p < 0.05) of fresh green bell pepper fruits by 71.43%. Furthermore, the result of the LC-ESI-MS/MS showed that the culture broth of the strain Bacillus sp. TS001 contained iturin and surfactin homolog in No. 3S medium. TS001 exhibited the strongest antagonistic activity that effectively suppressed C. scovillei 244830 rot lesion.
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Autorzy i Afiliacje

Yuliar Yuliar
1
ORCID: ORCID
Shun Tomita
2
Hinako Hishinuma
2
Kenji Yokota
2

  1. Research Center for Applied Microbiology, National Research and Innovation Agency, Jl. Raya Jakarta-Bogor, KM 46, KST Soekarno, Cibinong, Bogor 16911, Indonesia
  2. Department of Agriculture Chemistry, Faculty of Agriculture, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan

Abstrakt

Tetranychus utricae Koch (the two-spotted spider mite, TSSM) is a major pest of sugar beet plants (Beta vulgaris L.), which quickly develops resistance to miticides. Volatile or­ganic compounds (VOCs) have the potential of providing an environmentally friendly al­ternative to currently used insecticides. The main goal of this study was to evaluate the changes in the qualitative and quantitative composition of the VOCs released by sugar beet plants under drought conditions, TSSM infestation, or subjected to combined types of stress. Volatiles were collected over a 2 h period on days 2, 3 and 6 following TSSM feeding and/or drought and, following elution, were analyzed by gas chromatography with mass spectrometric detection. In particular, plants that were subjected to combined abiotic and biotic stress resulted in even higher levels of VOCs being released than from plants subjected to a single stress. Ten key volatiles were identified, namely: (Z)-3-hexenal, (Z)-3-hexen-1-ol, (E)-2-hexen-1-ol, (Z)-3-hexen-1-yl acetate, (Z)-ocimene, linalool, β-pinene, (E)-β-farnesene, β-caryophyllene and benzyl acetate. Of these 10, three were emitted with significantly higher quantities than the other seven: β-pinene, β-caryophyllene and benzyl acetate. This suggests that these three volatiles are potentially the most useful as natural alternatives to synthetic miticides to protect sugar beet crops from TSSM. Fur­ther research is needed to assess this hypothesis and to determine their activity against the mites.

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Autorzy i Afiliacje

Beata Wielkopolan
1
Magdalena Jakubowska
1
ORCID: ORCID
Renata Dobosz
2
ORCID: ORCID
Jan Bocianowski
3
ORCID: ORCID
Maria Concetta Bruzzoniti
4
Chris A. Mayhew
5
Izabela Narloch
6
Karolina Dawidowicz
7
Dariusz Piesik
7

  1. Department of Monitoring and Signaling of Agrophages, Institute of Plant Protection – National Research Institute,Poznań, Poland
  2. Department of Entomology and Animal Pests, Institute of Plant Protection – National Research Institute, Poznań, Poland
  3. Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Poznań, Poland
  4. Department of Chemistry, University of Turin, Torino, Italy
  5. Institute for Breath Research, Universität Innsbruck, Innrain, Innsbruck, Austria
  6. Department of Food Analysis and Environmental Protection, Bydgoszcz University of Science and Technology,Bydgoszcz, Poland
  7. Department of Microbiology and Ecology of the Plants, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland

Abstrakt

Black gram [Vigna mungo (L.) Hepper] is an important and nutritionally rich pulse crop mainly grown in tropical and subtropical environments. From July to August 2023–2024, black gram plants in Faisalabad, Pakistan, were observed with severe wilting and root rot disease complex symptoms. Following morphological and molecular characterization, the causal pathogen was identified as Rhizoctonia solani anastomosis group AG-7. Based on the present findings and a review of the literature, this is the first report of R. solani as the causal agent of root rot disease in black gram both in Pakistan and worldwide.
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Autorzy i Afiliacje

Fayqa Shamim
1
Khalid Pervaiz Akhtar
1
Muhammad Azeem Asad
2
Najeeb Ullah
2
Mohy-Ud-Din Akram
1

  1. Plant Protection Division, Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
  2. Plant Breeding and Genetics Division, Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan

Instrukcja dla autorów

Instructions for Authors

Manuscripts published in JPPR are free of charge. Only colour figures and photos are payed 61.5 € per one colour page JPPR publishes original research papers, short communications, critical reviews, and book reviews covering all areas of modern plant protection. Subjects include phytopathological virology, bacteriology, mycology and applied nematology and entomology as well as topics on protecting crop plants and stocks of crop products against diseases, viruses, weeds, etc. Submitted manuscripts should provide new facts or confirmatory data. All manuscripts should be written in high-quality English. Non-English native authors should seek appropriate help from English-writing professionals before submission. The manuscript should be submitted only via the JPPR Editorial System (http://www.editorialsystem.com/jppr). The authors must also remember to upload a scan of a completed License to Publish (point 4 and a handwritten signature are of particular importance). ALP form is available at the Editorial System. The day the manuscript reaches the editors for the first time is given upon publication as the date ‘received’ and the day the version, corrected by the authors is accepted by the reviewers, is given as the date ‘revised’. All papers are available free of charge at the Journal’s webpage (www.plantprotection.pl). However, colour figures and photos cost 61.5 € per one colour page.

General information for preparing a manuscript

All text should be written in a concise and integrated way, by focusing on major points, findings, breakthrough or discoveries, and their broad significance. All running text should be in Times New Roman 12, 1.5 spacing with all margins 2.5 cm on all sides.

Original article

The original research articles should contain the following sections: Title – the title should be unambiguous, understandable to specialists in other fields, and must reflect the contents of the paper. No abbreviations may be used in the title. Name(s) of author(s) with affiliations footnoted added only to the system, not visible in the manuscript (Double Blind Reviews). The names of the authors should be given in the following order: first name, second name initial, surname. Affiliations should contain: name of institution, faculty, department, street, city with zip code, and country. Abstract – information given in the title does not need to be repeated in the abstract. The abstract should be no longer than 300 words. It must contain the aim of the study, methods, results and conclusions. If used, abbreviations should be limited and must be explained when first used. Keywords – a maximum of 6, should cover the most specific terms found in the paper. They should describe the subject and results and must differ from words used in the title. Introduction – a brief review of relevant research (with references to the most important and recent publications) should lead to the clear formulation of the working hypothesis and aim of the study. It is recommended to indicate what is novel and important in the study. Materials and Methods – in this section the description of experimental procedures should be sufficient to allow replication. Organisms must be identified by scientific name, including authors. The International System of Units (SI) and their abbreviations should be used. Methods of statistical processing, including the software used, should also be listed in this section. Results – should be presented clearly and concisely without deducting and theori sing. Graphs should be preferred over tables to express quantitative data. Discussion – should contain an interpretation of the results ( without unnecessary repetition) and explain the influence of experimental factors or methods. It should describe how the results and their interpretation relate to the scientific hypothesis and/or aim of the study. The discussion should take into account the current state of knowledge and up-to-date literature. It should highlight the significance and novelty of the paper. It may also point to the next steps that will lead to a better understanding of the matters in question. Acknowledgements – of people, grants, funds, etc. should be placed in a separate section before the reference list. The names of funding organizations should be written in full. References In the text, papers with more than two authors should be cited by the last name of the first author, followed by et al. (et al. in italics), a space, and the year of publication (example: Smith et al. 2012). If the cited manuscript has two authors, the citation should include both last names, a space, and the publication year (example: Marconi and Johnston 2006). In the Reference section, a maximum of ten authors of the cited paper may be given. All references cited in the text must be listed in the Reference section alphabetically by the last names of the author(s) and then chronologically. The year of publication follows the authors’ names. All titles of the cited articles should be given in English. Please limit the citation of papers published in languages other than English. If necessary translate the title into English and provide information concerning the original language in brackets (e.g. in Spanish). The list of references should only include works from the last ten years that have had the greatest impact on the subject. Older references can be cited only if they are important for manuscript content. The full name of periodicals should be given. If possible, the DOI number should be added at the end of each reference. The following system for arranging references should be used: Journal articles Jorjani M., Heydari A., Zamanizadeh H.R., Rezaee S., Naraghi L., Zamzami P. 2012. Controlling sugar beet mortality disease by application of new bioformulations. Journal of Plant Protection Research 52 (3): 303-307. DOI: https://doi.org/10.2478/v10045-012-0049-9 Online articles Turner E., Jacobson D.J., Taylor J.W. 2011. Genetic architecture of a reinforced, postmating, reproductive isolation barrier between Neurospora species indicates evolution via natural selection. PLoS Genetics 7 (8): e1002204. DOI: https://doi.org/10.1371/journal.pgen.1002204 Books Bancrof J.D., Stevens A. 1996. Theory and Practice of Histological Techniques. 4th ed. Churchill Livingstone, Edinburgh, UK, 776 pp. Book chapters Pradhan S.K. 2000. Integrated pest management. p. 463-469. In: "IPM System in Agriculture. Cash Crop" (R.K. Upadhyaya, K.G. Mukerji, O.P. Dubey, eds.). Aditya Books Pvt. Ltd. New Delhi, India, 710 pp. Online documents Cartwright J. 2007. Big stars have weather too. IOP Publishing PhysicsWeb. Available on: https://doi.org/10.1371/journal.pgen.1002204

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Rapid communications

Rapid communications should present brief observations which do not warrant the length of a full paper. However, they must present completed studies and follow the same scientific standards as original articles. Rapid communications should contain the following sections: Title Abstract - less than 300 words Key words - maximum 6 Text body Acknowledgements References The length of such submissions is limited to 1500 words for the text, one table, and one figure.

Reviews

Review articles are invited by the editors.Unsolicited reviews are also considered. The length is limited to 5000 words with no limitations on figures and tables and a maximum of 150 references. Mini-Review articles should be dedicated to "hot" topics and limited to 3000 words and a maximum two figures, two tables and 20 references.

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