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Horticulture Research

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https://www.readbyqxmd.com/read/28326185/dna-informed-breeding-of-rosaceous-crops-promises-progress-and-prospects
#1
REVIEW
Cameron P Peace
Crops of the Rosaceae family provide valuable contributions to rural economies and human health and enjoyment. Sustained solutions to production challenges and market demands can be met with genetically improved new cultivars. Traditional rosaceous crop breeding is expensive and time-consuming and would benefit from improvements in efficiency and accuracy. Use of DNA information is becoming conventional in rosaceous crop breeding, contributing to many decisions and operations, but only after past decades of solved challenges and generation of sufficient resources...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28280542/differential-gene-expression-analysis-of-chili-pyrus-bretschneideri-fruit-pericarp-with-two-types-of-bagging-treatments
#2
Yuling Wang, Xinfu Zhang, Ran Wang, Yingxin Bai, Chenglian Liu, Yongbing Yuan, Yingjie Yang, Shaolan Yang
Preharvest bagging is a simple, grower-friendly and safe physical protection technique commonly applied to many fruits, and the application of different fruit bags can have various effects. To explore the molecular mechanisms underlying the fruit quality effects of different bagging treatments, digital gene expression (DGE) profiling of bagged and unbagged 'Chili' (Pyrus bretschneideri Rehd.) pear pericarp during development was performed. Relative to unbagged fruit, a total of 3022 and 769 differentially expressed genes (DEGs) were detected in the polyethylene (PE)-bagged and non-woven fabric-bagged fruit, respectively...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28243453/selection-for-production-related-traits-in-pelargonium-zonale-improved-design-and-analysis-make-all-the-difference
#3
Heike Molenaar, Martin Glawe, Robert Boehm, Hans-Peter Piepho
Ornamental plant variety improvement is limited by current phenotyping approaches and neglected use of experimental designs. The present study was conducted to show the benefits of using an experimental design and corresponding analysis in ornamental breeding regarding simulated response to selection in Pelargonium zonale for production-related traits. This required establishment of phenotyping protocols for root formation and stem cutting counts, with which 974 genotypes were assessed in a two-phase experimental design...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28243452/elucidation-of-the-honeycrisp-pedigree-through-haplotype-analysis-with-a-multi-family-integrated-snp-linkage-map-and-a-large-apple-malus%C3%A3-domestica-pedigree-connected-snp-data-set
#4
Nicholas P Howard, Eric van de Weg, David S Bedford, Cameron P Peace, Stijn Vanderzande, Matthew D Clark, Soon Li Teh, Lichun Cai, James J Luby
The apple (Malus×domestica) cultivar Honeycrisp has become important economically and as a breeding parent. An earlier study with SSR markers indicated the original recorded pedigree of 'Honeycrisp' was incorrect and 'Keepsake' was identified as one putative parent, the other being unknown. The objective of this study was to verify 'Keepsake' as a parent and identify and genetically describe the unknown parent and its grandparents. A multi-family based dense and high-quality integrated SNP map was created using the apple 8 K Illumina Infinium SNP array...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28243451/cmftl2-is-involved-in-the-photoperiod-and-sucrose-mediated-control-of-flowering-time-in-chrysanthemum
#5
Jing Sun, Heng Wang, Liping Ren, Sumei Chen, Fadi Chen, Jiafu Jiang
The chrysanthemum genome harbors three FT-like genes: CmFTL1 and CmFTL3 are thought to act as regulators of floral induction under long-day (LD) and short-day (SD) conditions, respectively, whereas the function of CmFTL2 is currently unclear. The objective of the present research was to explore the function of CmFTL2 in the determination of flowering time of the photo-insensitive chrysanthemum cultivar 'Floral Yuuka', both in response to variation in the photoperiod and to the exogenous provision of sucrose...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28101369/a-single-gene-controls-leaf-background-color-in-caladium-araceae-and-is-tightly-linked-to-genes-for-leaf-main-vein-color-spotting-and-rugosity
#6
Zhe Cao, Shunzhao Sui, Qian Yang, Zhanao Deng
Modern cultivated caladiums (Caladium×hortulanum) are grown for their long-lasting and colorful leaves. Understanding the mode of inheritance for caladium leaf characteristics is critical for plant breeders to select appropriate parents, predict progeny performance, estimate breeding population sizes needed, and increase breeding efficiencies. This study was conducted to determine the mode of inheritance of two leaf background colors (lemon and green) in caladium and to understand their relationships with four other important leaf characteristics including leaf shape, main vein color, spotting, and rugosity...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28090334/an-experimental-validation-of-genomic-selection-in-octoploid-strawberry
#7
Salvador A Gezan, Luis F Osorio, Sujeet Verma, Vance M Whitaker
The primary goal of genomic selection is to increase genetic gains for complex traits by predicting performance of individuals for which phenotypic data are not available. The objective of this study was to experimentally evaluate the potential of genomic selection in strawberry breeding and to define a strategy for its implementation. Four clonally replicated field trials, two in each of 2 years comprised of a total of 1628 individuals, were established in 2013-2014 and 2014-2015. Five complex yield and fruit quality traits with moderate to low heritability were assessed in each trial...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28066557/stability-of-fruit-quality-traits-in-diverse-watermelon-cultivars-tested-in-multiple-environments
#8
Mahendra Dia, Todd C Wehner, Penelope Perkins-Veazie, Richard Hassell, Daniel S Price, George E Boyhan, Stephen M Olson, Stephen R King, Angela R Davis, Gregory E Tolla, Jerome Bernier, Benito Juarez
Lycopene is a naturally occurring red carotenoid compound that is found in watermelon. Lycopene has antioxidant properties. Lycopene content, sugar content and hollowheart resistance are subject to significant genotype×environment interaction (G×E), which makes breeding for these fruit quality traits difficult. The objectives of this study were to (i) evaluate the influence of years and locations on lycopene content, sugar content and hollowheart resistance for a set of watermelon genotypes, and (ii) identify genotypes with high stability for lycopene, sugar, and hollowheart resistance...
2016: Horticulture Research
https://www.readbyqxmd.com/read/28018606/characterization-of-spermidine-hydroxycinnamoyl-transferases-from-eggplant-solanum-melongena-l-and-its-wild-relative-solanum-richardii-dunal
#9
Hui Peng, Tianbao Yang, Bruce D Whitaker, Frances Trouth, Lingfei Shangguan, Wen Dong, Wayne M Jurick
Eggplant produces a variety of hydroxycinnamic acid amides (HCAAs) that have an important role in plant development and adaptation to environmental changes. In this study, we identified and characterized a spermidine hydroxycinnamoyl transferase (SHT) from eggplant (Solanum melongena) and its wild relative S. richardii, designated as SmSHT and SrSHT, respectively. SmSHT was abundant in flowers and fruits, whereas the level of SrSHT was remarkably low in all tissues. Heat-shock/drought treatment stimulated the expression of SmSHT in both leaves and fruits, indicating its involvement in plant stress response...
2016: Horticulture Research
https://www.readbyqxmd.com/read/28018605/identification-and-characterization-of-tomato-gibberellin-2-oxidases-ga2oxs-and-effects-of-fruit-specific-slga2ox1-overexpression-on-fruit-and-seed-growth-and-development
#10
Shen Chen, Xiaojing Wang, Liying Zhang, Shanshan Lin, Decai Liu, Quanzhi Wang, Shanya Cai, Rania El-Tanbouly, Lijun Gan, Han Wu, Yi Li
Gibberellins (GAs) play a crucial role in growth and development of the tomato fruit. Previously published studies focusing on the effect of GAs on tomato fruits used chemical treatments, constitutive overexpression or silencing of GA biosynthetic and catabolic genes globally throughout the plant. Fruit-specific overexpression of GA catabolic enzyme genes GA2-oxidases (GA2oxs), however, may provide an alternative method to study the role of endogenous GAs on the fruit development. In this study, we have identified 11 SlGA2ox proteins in tomato that are classified into three subgroups...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27917290/functional-analysis-of-alternative-splicing-of-the-flowering-locus-t-orthologous-gene-in-chrysanthemum-morifolium
#11
Yachao Mao, Jing Sun, Peipei Cao, Rong Zhang, Qike Fu, Sumei Chen, Fadi Chen, Jiafu Jiang
As the junction of floral development pathways, the FLOWERING LOCUS T (FT) protein called 'florigen' plays an important role in the process of plant flowering through signal integration. We isolated four transcripts encoding different isoforms of a FT orthologous gene CmFTL1, from Chrysanthemum morifolium cultivar 'Jimba'. Sequence alignments suggested that the four transcripts are related to the intron 1. Expression analysis showed that four alternative splicing (AS) forms of CmFTL1 varied depending on the developmental stage of the flower...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27917289/a-high-density-multi-parental-snp-genetic-map-on-apple-validates-a-new-mapping-approach-for-outcrossing-species
#12
Erica A Di Pierro, Luca Gianfranceschi, Mario Di Guardo, Herma Jj Koehorst-van Putten, Johannes W Kruisselbrink, Sara Longhi, Michela Troggio, Luca Bianco, Hélène Muranty, Giulia Pagliarani, Stefano Tartarini, Thomas Letschka, Lidia Lozano Luis, Larisa Garkava-Gustavsson, Diego Micheletti, Marco Cam Bink, Roeland E Voorrips, Ebrahimi Aziz, Riccardo Velasco, François Laurens, W Eric van de Weg
Quantitative trait loci (QTL) mapping approaches rely on the correct ordering of molecular markers along the chromosomes, which can be obtained from genetic linkage maps or a reference genome sequence. For apple (Malus domestica Borkh), the genome sequence v1 and v2 could not meet this need; therefore, a novel approach was devised to develop a dense genetic linkage map, providing the most reliable marker-loci order for the highest possible number of markers. The approach was based on four strategies: (i) the use of multiple full-sib families, (ii) the reduction of missing information through the use of HaploBlocks and alternative calling procedures for single-nucleotide polymorphism (SNP) markers, (iii) the construction of a single backcross-type data set including all families, and (iv) a two-step map generation procedure based on the sequential inclusion of markers...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27917288/towards-an-open-grapevine-information-system
#13
REVIEW
A-F Adam-Blondon, M Alaux, C Pommier, D Cantu, Z-M Cheng, G R Cramer, C Davies, S Delrot, L Deluc, G Di Gaspero, J Grimplet, A Fennell, J P Londo, P Kersey, F Mattivi, S Naithani, P Neveu, M Nikolski, M Pezzotti, B I Reisch, R Töpfer, M A Vivier, D Ware, H Quesneville
Viticulture, like other fields of agriculture, is currently facing important challenges that will be addressed only through sustained, dedicated and coordinated research. Although the methods used in biology have evolved tremendously in recent years and now involve the routine production of large data sets of varied nature, in many domains of study, including grapevine research, there is a need to improve the findability, accessibility, interoperability and reusability (FAIR-ness) of these data. Considering the heterogeneous nature of the data produced, the transnational nature of the scientific community and the experience gained elsewhere, we have formed an open working group, in the framework of the International Grapevine Genome Program (www...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27818778/overexpression-of-blueberry-flowering-locus-t-is-associated-with-changes-in-the-expression-of-phytohormone-related-genes-in-blueberry-plants
#14
Xuan Gao, Aaron E Walworth, Charity Mackie, Guo-Qing Song
Flowering locus T (FT) is a primary integrator in the regulation of plant flowering. Overexpressing a blueberry (Vaccinium corymbosum L.) FT gene (VcFT) (herein VcFT-OX) resulted in early flowering and dwarfing in 'Aurora' plants (herein 'VcFT-Aurora'). In this study, we found that VcFT-OX reduced shoot regeneration from leaf explants. To investigate the potential roles of the phytohormone pathway genes associated with VcFT-OX, differentially expressed (DE) genes in leaf tissues of 'VcFT-Aurora' plants were annotated and analyzed using non-transgenic 'Aurora' plants as a control...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27818777/high-density-snp-based-genetic-maps-for-the-parents-of-an-outcrossed-and-a-selfed-tetraploid-garden-rose-cross-inferred-from-admixed-progeny-using-the-68k-rose-snp-array
#15
Mirjana Vukosavljev, Paul Arens, Roeland E Voorrips, Wendy Pc van 't Westende, G D Esselink, Peter M Bourke, Peter Cox, W Eric van de Weg, Richard Gf Visser, Chris Maliepaard, Marinus Jm Smulders
Dense genetic maps create a base for QTL analysis of important traits and future implementation of marker-assisted breeding. In tetraploid rose, the existing linkage maps include <300 markers to cover 28 linkage groups (4 homologous sets of 7 chromosomes). Here we used the 68k WagRhSNP Axiom single-nucleotide polymorphism (SNP) array for rose, in combination with SNP dosage calling at the tetraploid level, to genotype offspring from the garden rose cultivar 'Red New Dawn'. The offspring proved to be not from a single bi-parental cross...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27766161/spatial-and-compositional-variation-in-the-fungal-communities-of-organic-and-conventionally-grown-apple-fruit-at-the-consumer-point-of-purchase
#16
Ahmed Abdelfattah, Michael Wisniewski, Samir Droby, Leonardo Schena
The fungal diversity in harvested apples from organic or conventional management practices was analyzed in different fruit locations (stem end, calyx end, peel, and wounded flesh) shortly after fruit purchase (T1) and after 2 weeks of storage (T5). A total of 5,760,162 high-quality fungal sequences were recovered and assigned to 8,504 Operational Taxonomic Units. Members of the phylum Ascomycota were dominant in all samples and accounted for 91.6% of the total number of detected sequences. This was followed by Basidiomycota (8%), Chytridiomycota (0...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27688890/biosynthesis-and-molecular-actions-of-specialized-1-4-naphthoquinone-natural-products-produced-by-horticultural-plants
#17
REVIEW
Joshua R Widhalm, David Rhodes
The 1,4-naphthoquinones (1,4-NQs) are a diverse group of natural products found in every kingdom of life. Plants, including many horticultural species, collectively synthesize hundreds of specialized 1,4-NQs with ecological roles in plant-plant (allelopathy), plant-insect and plant-microbe interactions. Numerous horticultural plants producing 1,4-NQs have also served as sources of traditional medicines for hundreds of years. As a result, horticultural species have been at the forefront of many basic studies conducted to understand the metabolism and function of specialized plant 1,4-NQs...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27688889/comparative-analysis-of-cucurbita-pepo-metabolism-throughout-fruit-development-in-acorn-squash-and-oilseed-pumpkin
#18
Lindsay E Wyatt, Susan R Strickler, Lukas A Mueller, Michael Mazourek
Both the fruit mesocarp and the seeds of winter squash can be used for consumption, although the focus of breeding efforts varies by cultivar. Cultivars bred for fruit consumption are selected for fruit mesocarp quality traits such as carotenoid content, percent dry matter, and percent soluble solids, while these traits are essentially ignored in oilseed pumpkins. To compare fruit development in these two types of squash, we sequenced the fruit transcriptome of two cultivars bred for different purposes: an acorn squash, 'Sweet REBA', and an oilseed pumpkin, 'Lady Godiva'...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27651916/qtl-analysis-of-soft-scald-in-two-apple-populations
#19
Kendra A McClure, Kyle M Gardner, Peter Ma Toivonen, Cheryl R Hampson, Jun Song, Charles F Forney, John DeLong, Istvan Rajcan, Sean Myles
The apple (Malus×domestica Borkh.) is one of the world's most widely grown and valuable fruit crops. With demand for apples year round, storability has emerged as an important consideration for apple breeding programs. Soft scald is a cold storage-related disorder that results in sunken, darkened tissue on the fruit surface. Apple breeders are keen to generate new cultivars that do not suffer from soft scald and can thus be marketed year round. Traditional breeding approaches are protracted and labor intensive, and therefore marker-assisted selection (MAS) is a valuable tool for breeders...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27610237/transcriptome-analyses-of-the-dof-like-gene-family-in-grapevine-reveal-its-involvement-in-berry-flower-and-seed-development
#20
Danielle Costenaro da Silva, Vítor da Silveira Falavigna, Marianna Fasoli, Vanessa Buffon, Diogo Denardi Porto, Georgios Joannis Pappas, Mario Pezzotti, Giancarlo Pasquali, Luís Fernando Revers
The Dof (DNA-binding with one finger) protein family spans a group of plant transcription factors involved in the regulation of several functions, such as plant responses to stress, hormones and light, phytochrome signaling and seed germination. Here we describe the Dof-like gene family in grapevine (Vitis vinifera L.), which consists of 25 genes coding for Dof. An extensive in silico characterization of the VviDofL gene family was performed. Additionally, the expression of the entire gene family was assessed in 54 grapevine tissues and organs using an integrated approach with microarray (cv Corvina) and real-time PCR (cv Pinot Noir) analyses...
2016: Horticulture Research
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