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Agriculture
Special Issues
Genomics and Breeding: Field and Horticultural Crop Perspective
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Genomics and Breeding: Field and Horticultural Crop Perspective

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Genetics, Genomics and Breeding".

Deadline for manuscript submissions: closed (15 March 2023) | Viewed by 4628

Special Issue Editors

Dr. Sushil Kumar

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Guest Editor
Department of Agriculture Biotechnology, Anand Agricultural University, Anand 388 110, Gujarat, India
Interests: DNA marker; QTL; association mapping; diversity study; transcriptomics
Dr. Rajeev Gupta

E-Mail Website
Guest Editor
Northern Crop Science Laboratory, ETSARC, US Department of Agriculture (USDA)-Agricultural Research Service (ARS), Fargo, ND 58102-2765, USA
Interests: small grains; genomics; pathology; MAS; GWAS; wild relatives’ genomes; stress tolerance, trait discovery
Dr. Amar A. Sakure

E-Mail Website
Guest Editor
Department of Agricultural Biotechnology, Anand Agricultural University, Anand 388 110, Gujarat, India
Interests: proteomics; genetic engineering; secondary metabolites; tissue culture; flow cytometry; mass spectrometry

Special Issue Information

Dear Colleagues,

In the current scenarios of climate change, various biotic and abiotic stresses, and malnutrition in humans, there is a significant pressure on plant scientists to improve not only the quantity of crop produce, but also the quality of crop harvest, in order to feed an increasing human population with nutritious food. Field and horticultural—especially fruit and vegetable—crops are important economic crops worldwide. The conservation of plant biodiversity, crop wild relatives (CWRs) in particular, is a pre-requisite to improving the production of the economic aspects of field and horticultural crops. The objective of this Special Issue, " Genomics and Breeding: Field and Horticultural Crop Perspective ", is to present cutting-edge achievements in major field and horticultural crops for a huge readership, which reaches from academia to industry.

This Special Issue invites contributions from original research and review articles and reviews on all relevant topics. Yield, nutraceutical, resistance to biotic and abiotic stress, marker–trait association, and protein studies will be considered in this issue.

Dr. Sushil Kumar
Dr. Rajeev Gupta
Dr. Amar A. Sakure
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

  • quantitative genetics
  • GWAS
  • QTL
  • transcriptomics
  • molecular markers
  • (a)biotic stress
  • quality improvement
  • proteomics
  • gene expression

Published Papers (3 papers)

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Research

14 pages, 3838 KiB  
Article
OsHSP 17.9, a Small Heat Shock Protein, Confers Improved Productivity and Tolerance to High Temperature and Salinity in a Natural Paddy Field in Transgenic Rice Plants
by Jeong-Mi Do, Hee-Jin Kim, Sun-Young Shin, Seong-Im Park, Jin-Ju Kim and Ho-Sung Yoon
Agriculture 2023, 13(5), 931; https://doi.org/10.3390/agriculture13050931 - 24 Apr 2023
Cited by 5 | Viewed by 1702
Abstract
Various abiotic stress factors, such as high temperatures and salinity, have a significant impact on the development and growth of crop plants and ultimately impact crop yield. Previous studies have reported that overexpression of heat-shock-protein (HSP) genes in transgenic plants can enhance stress [...] Read more.
Various abiotic stress factors, such as high temperatures and salinity, have a significant impact on the development and growth of crop plants and ultimately impact crop yield. Previous studies have reported that overexpression of heat-shock-protein (HSP) genes in transgenic plants can enhance stress tolerance under controlled conditions in laboratories and greenhouses. Despite the significance of multiple environmental stressors on plants in natural paddy fields, there is still a lack of research regarding the contribution of HSP genes to stress tolerance and crop yield. In this study, we cloned and characterized the function of OsHSP 17.9, an HSP gene from Oryza sativa, in rice plants grown under diverse conditions. Our results showed that overexpressing OsHSP 17.9 in rice plants enhanced the activity of antioxidant enzymes under high-temperature and salinity stresses. Moreover, transgenic rice plants overexpressing OsHSP 17.9 exhibited significantly improved adaptability after transplantation from greenhouses to natural paddy fields. In particular, OsHSP 17.9-overexpressing transgenic rice plants established improved agronomic traits and increased grain yields even under unfavorable natural-paddy-field conditions. These results suggest that OsHSP 17.9 transgenic plants can be a promising strategy for cultivating crops in adverse environmental conditions. Full article
(This article belongs to the Special Issue Genomics and Breeding: Field and Horticultural Crop Perspective)
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16 pages, 2796 KiB  
Article
Use of Graphical and Numerical Approaches for Diallel Analysis of Grain Yield and Its Attributes in Bread Wheat (Triticum aestivum L.) under Varying Environmental Conditions
by Gita R. Chaudhari, D. A. Patel, A. D. Kalola and Sushil Kumar
Agriculture 2023, 13(1), 171; https://doi.org/10.3390/agriculture13010171 - 9 Jan 2023
Cited by 2 | Viewed by 2559
Abstract
Improving yield is the main aim of plant breeders. In the case of bread wheat (Triticum aestivum), a major challenge in this regard is genotype–environment interactions, and a knowledge of these is required to successfully select high-yielding genotypes. In this study, [...] Read more.
Improving yield is the main aim of plant breeders. In the case of bread wheat (Triticum aestivum), a major challenge in this regard is genotype–environment interactions, and a knowledge of these is required to successfully select high-yielding genotypes. In this study, graphical and numerical approaches of diallel analysis have been used to reveal such interactions. Ten different wheat genotypes were crossed using a half-diallel approach. The parents, hybrids, and standard checks were evaluated at the Regional Research Station, Anand Agricultural University, Gujarat, Anand, India under both standard and late-sown conditions in two separate years (E1 and E2 (normal-18 November 2018 and late sown-10 December 2018, respectively, Rabi 2018–2019), E3 and E4 (normal-18 November 2019 and late sown-10 December 2019, respectively, Rabi 2019–2020)). For each sowing, ‘t2’ values were calculated for eleven phenotypic characteristics: days to 50% heading, days to maturity, plant height, number of effective tillers per plant, length of main stem, number of spikelets per main spike, number of grains per main spike, grain yield per main spike, grain yield per plant, 1000-grain weight, and harvest index. Components of the gene effect revealed that the number of spikelets per main spike in E2 and E4, and the number of grains per main spike in E2 were governed by both additive and dominance gene action across the environments. Other characteristics were the greater influence of the dominance gene effect, except for days to 50% heading in E1, E2, E3, and E4; days to maturity in E2, E3, and E4; grain yield per main spike in E4. Many characteristics exhibited overdominance, an asymmetrical distribution of positive–negative, dominance–recessive genes, and narrow-sense heritability in all environments. In graphical analysis, regression value ‘b’ was unity for days to 50% heading (E1 and E4) and 1000-grain weight (E3 and E4), which revealed an absence of digenic interactions for these characteristics in the respective environments. Therefore, a given population may be improved to isolate superior recombinants for the development of desired parents in future breeding programs. Full article
(This article belongs to the Special Issue Genomics and Breeding: Field and Horticultural Crop Perspective)
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13 pages, 2002 KiB  
Article
Graphical and Numerical Analysis of the Components of Gene Effect on the Quality Traits of Bread Wheat (Triticum aestivum L.) under Varying Environmental Conditions
by Gita R. Chaudhari, D. A. Patel, A. D. Kalola and Sushil Kumar
Agriculture 2022, 12(12), 2055; https://doi.org/10.3390/agriculture12122055 - 30 Nov 2022
Cited by 2 | Viewed by 1798
Abstract
Wheat is one of the main cereals. At this time, the crucial difficulty in improving nutritional traits is the influence on genotypes of different environments. Selecting superior genotypes on the basis of a gene effects analysis for varying environments is demanded. In this [...] Read more.
Wheat is one of the main cereals. At this time, the crucial difficulty in improving nutritional traits is the influence on genotypes of different environments. Selecting superior genotypes on the basis of a gene effects analysis for varying environments is demanded. In this study, 10 different genotypes of bread wheat (Triticum aestivum L.) were used. Parents, hybrids, and two standard checks were evaluated in a complete randomized block design with three replicates in four environments: E1 and E2 (normal and late sown, Rabi 2018-19) & E3 and E4 (normal and late sown, Rabi 2019-20). The analysis of the components of the gene effect revealed that most of the characters were governed by additive and dominant gene actions in the environments; for gluten, the wet gluten (E2) and starch (E3) content were the only dominant components (H1 and H2) with a significant gene effect. Overdominance, asymmetrical distribution of positive–negative and dominant–recessive genes, and narrow-sense heritability were observed in most of the characters in all environments. In a graphical analysis, the regression value b was observed to be in unity among protein content (E1 and E3), sedimentation value (E1, E2, and E3), and starch content (E1), indicating the absence of digenic interactions. Based on the intercept of the regression line on the Wr axis, the degree of dominance for protein content (E1 and E3), sedimentation value (E1, E2, and E3), and starch content (E1) was depicted as overdominance. Therefore, a given population may be improved to isolate superior recombinants for the development of desired parents in future breeding programs. Full article
(This article belongs to the Special Issue Genomics and Breeding: Field and Horticultural Crop Perspective)
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