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Agriculture
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Latest Research on Multiple Stress Tolerance in Maize
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Latest Research on Multiple Stress Tolerance in Maize

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Production".

Deadline for manuscript submissions: closed (25 June 2024) | Viewed by 1433

Special Issue Editors

Prof. Dr. János Nagy

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Guest Editor
Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary
Interests: adaptability; biotic stress; food security; maize production; yield stability
Special Issues, Collections and Topics in MDPI journals
Dr. Csaba Bojtor

E-Mail Website
Guest Editor
Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary
Interests: early-stage plant stress detection; nutrient uptake dynamics; nutrient use efficiency; plant health; plant nutrition; smart plant stress diagnostics
Dr. Árpád Illés

E-Mail Website
Guest Editor
Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary
Interests: abiotic stress; fertilization; genotype evaluation; irrigation strategies; remote sensing

Special Issue Information

Dear Colleagues,

Maize (Zea mays L.) is one of the most important crops globally. For this reason, increasing the quantity and quality of its yield is a primary focus in crop production. Maize production is affected by various abiotic and biotic stressors worldwide, posing a challenge for farmers to achieve successful yields in the given crop year. Stresses of various environmental (drought stress, heat stress, nutrient accumulation phenomena) and biotic natures (pests, pathogens, weeds) have a significant impact on the physiological processes and parameters, as well as the development dynamics of maize and, most importantly, on the quantity, quality, and stability of yields due to changing climatic conditions. In addition to various environmental factors, soil–plant interactions and the complex nutrient and water use during the growing season are the main factors that determine plant health.

As a result of genetic advances, the increased stress tolerance of new genotypes, technological improvements, and breeding results will facilitate the successful implementation of climate-adaptive farming. In addition to these factors, precision farming and the related technical improvements are becoming increasingly widespread in crop production practices as climate change and climate variability increases. Altogether, stress tolerance is a complex parameter in plants. For this reason, determining stability and adaptability to different environments and technologies is of primary importance. The improvement of tolerance to single or multiple stress factors may be rooted in various scientific areas, ranging from the molecular level to different crop production techniques, resulting in a complex research topic.

This Special Issue aims to discuss various stress detection methods, research on single and multiple environmental and biotic stress tolerance, as well as the adaptability of different stress tolerant genotypes to crop production. Manuscripts focusing on climate adaptive agriculture and early stress detection, as well as mitigation and stress tolerance improvements of laboratory and field experiments, are invited for submission.

Prof. Dr. János Nagy
Dr. Csaba Bojtor
Dr. Árpád Illés
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. Agriculture 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 2600 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
  • advances in stress detection technology
  • climate adaptive agriculture
  • biotic stress
  • early stage stress detection
  • environmental stress factors
  • genetic improvement in stress tolerance
  • maize production improvement
  • natural tolerance capacity
  • plant stress mitigation
  • single and multiple stress tolerance

Published Papers (2 papers)

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Research

16 pages, 1231 KiB  
Article
Comparative Analysis of Drought Effects on the Soil Moisture Level and Penetration Resistance in Conventional and Non-Conventional Tillage Systems in Maize Production
by István Sojnóczki, János Nagy, Árpád Illés, István Kecskés and Csaba Bojtor
Agriculture 2024, 14(7), 1000; https://doi.org/10.3390/agriculture14071000 - 26 Jun 2024
Viewed by 634
Abstract
The period of extreme weather anomalies in recent years has challenged farmers, and this has encouraged greater adaptability in farming practices. In the last decade, conventional tillage systems have been complemented by more biologically based cropping systems. The research evaluated the impact of [...] Read more.
The period of extreme weather anomalies in recent years has challenged farmers, and this has encouraged greater adaptability in farming practices. In the last decade, conventional tillage systems have been complemented by more biologically based cropping systems. The research evaluated the impact of drought on soil physical parameters in maize production by testing different conventional and non-conventional tillage systems to ensure optimal soil physical parameters. In the analysis of the prevailing weather conditions, rainfall values were divided into two parts, the pre-growing season and the growing season. We studied different climatic seasons. In 2021, the soil moisture content in the upper shallow 15 cm soil layer during the sowing period in April in the case of conventional tillage was significantly lower than in reduced tillage, conservation tillage and strip tillage. The most significant difference was measured between conventional and conservation tillage, with a difference of 11.25 v/v%. The 2022 crop year was extremely dry. In June, the highest moisture value in the soil was measured in the case of strip tillage with a value of 21.64 v/v%, which was more than 60% higher than in the case of conventional and conservation tillage. In conventional tillage, a very pronounced compacted layer was observed in the lower part of the ploughed layer. This zone reached a compaction of 6.9 MPa between 28 and 34 cm, which is agronomically harmful. No compacted soil layer was found in the experiment site under conservation tillage. In the severe drought year of 2022, only the strip-till system provided the proper water management conditions for the maize stand. Full article
(This article belongs to the Special Issue Latest Research on Multiple Stress Tolerance in Maize)
16 pages, 1210 KiB  
Article
Effect of Split Basal Fertilisation and Top-Dressing on Relative Chlorophyll Content and Yield of Maize Hybrids
by Péter Zagyi, Éva Horváth, Gyula Vasvári, Károly Simon and Adrienn Széles
Agriculture 2024, 14(6), 956; https://doi.org/10.3390/agriculture14060956 - 18 Jun 2024
Viewed by 319
Abstract
The aim of this study was to determine the nitrogen requirement of maize, the optimal timing and amount of nutrient application, based on long time series data. An additional objective was to examine the response of the relative chlorophyll content of maize to [...] Read more.
The aim of this study was to determine the nitrogen requirement of maize, the optimal timing and amount of nutrient application, based on long time series data. An additional objective was to examine the response of the relative chlorophyll content of maize to nitrogen fertilisation. The examinations were carried out in a long-term field experiment at the University of Debrecen between 2016 and 2022, using two maize hybrids with different genotypes. Spatial and temporal changes in the N status of maize leaves were monitored using the Soil and Plant Analysis Development (SPAD) instrument. In addition to the non-fertilised (A0) treatment, six fertiliser treatments were applied (spring basal fertilisation: 60 and 120 kg N ha−1, A60; A120). Basal fertilisation was followed by two occasions of top-dressing at phenological stages V6 and V12, at rates of +30–30 kg N ha−1 (V690 and V6150, and V12120 and V12180). The CMR (Chlorophyll Meter Reading), averaged over the examined years, genotypes and fertiliser treatments, were lowest in the V6 phenological phase (40.23 ± 5.57, p < 0.05) and highest in R1 (49.91 ± 8.41, p < 0.05). A120 fertiliser treatment increased the relative chlorophyll content by 5.11 compared to the non-fertilised treatment, 1.67 more than A60 treatment. The basal fertilisation treatment substantially increased the yield (A60: +30.75%; A120: +66.68%) compared to the A0 treatment averaged over years and genotypes. Based on the obtained research results, a basal treatment of 120 kg N ha−1 is recommended and it can be concluded that, under appropriate water supply conditions (rainfall, irrigation), nitrogen top-dressing applied in V6 phenophase results in a significant yield increase compared to basal fertilisation. Full article
(This article belongs to the Special Issue Latest Research on Multiple Stress Tolerance in Maize)
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