scholarly journals The fruit metric trait characterization of scarlet eggplant using the high-throughput tomato analyzer software

2021 ◽  
Vol 66 (2) ◽  
pp. 139-154
Author(s):  
Olawale Adeniji ◽  
Modinat Adekoya ◽  
Peter Jonah ◽  
Innocent Iseghohi ◽  
Charity Aremu
Keyword(s):  
Genotypic Variation ◽  
Fruit Size ◽  
Fruit Shape ◽  
Trait Variation ◽  
Yield Improvement ◽  
Fruit Size And Shape ◽  
Metric Traits ◽  
Shape And Size ◽  
Tomato Analyzer

Scarlet eggplant (Solanum aethiopicum [L.]) is an indigenous, underutilized fruit vegetable in Africa. Preference for fruit shape and size is high among growers and consumers. Fruit metric traits are important for yield improvement. Fruit metric descriptors are important contributors to variation, phenotypic and genotypic variation, and heritability. However, the measurement of these traits is cumbersome and subjective. Forty-three accessions were evaluated in 2016 and 2017. At maturity, 5 fruits were randomly harvested from each accession, digitalized and processed using the Tomato Analyzer software. Sixteen fruit metric traits were automatically generated and submitted for analysis of variance and multivariate analysis. The accessions differed over fruit size and shape due to genetic make-up. Fruit metric trait variation among S. aethiopicum groups was less influenced by the environment. The cv. Gilo group has oblong fruits, the cv. Shum group fruits are circular and ovoid; the cv. Kumba group fruits are less circular, lobed and flattened. AE/113 (C3), FUO 1 (C1) and FUO 5 (C2) Gilo groups are promising for fruit size. There were phenotypic plasticity and overlapping for fruit metric traits between the Gilo and Shum groups due to a common genome. The Tomato Analyzer software was able to discriminate accessions based on fruit phenomic traits, and the information could be used to establish commonalities between groups.

Stereological Analysis of the Dermal System of Fruit of the Grape Vitis vinifera L.

1981 ◽  
Vol 29 (4) ◽  
pp. 463 ◽  
Author(s):  
JA Considine
Keyword(s):  
Vitis Vinifera ◽  
Cellular Structure ◽  
Fruit Size ◽  
Cell Number ◽  
Fruit Shape ◽  
Vitis Vinifera L ◽  
Single Function ◽  
Periclinal Chimeras ◽  
Fruit Size And Shape ◽  
Fruit Surface

Changes in cell vdume and shape in different layers of the dermal system of the grape Vitis vinifera have been analysed in relation to position along the radius of the fruit and fruit shape. Fruit surface area was found to be a function of changes in both cell area and cell number, though cell number effects were predominant. Cell volume generally increased exponentially from the epidermis inwards, though no single function adequately described the pattern for all cultivars. Deviations from a continuous pattern of change of volume were compatible with the possible occurrence of polyploid periclinal chimeras or endoploids. These results suggest that differences in cellular structure were determined by mechanisms that were independent of potential stresses associated with differences in fruit size and shape.

scholarly journals Tomato Phenotypic Diversity Determined by Combined Approaches of Conventional and High-Throughput Tomato Analyzer Phenotyping

Plants ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 197 ◽  
Author(s):  
Amol N. Nankar ◽  
Ivanka Tringovska ◽  
Stanislava Grozeva ◽  
Daniela Ganeva ◽  
Dimitrina Kostova
Keyword(s):  
Phenotypic Diversity ◽  
Hierarchical Cluster ◽  
Shape Index ◽  
Fruit Shape ◽  
Strong Positive Correlation ◽  
Correlation Networks ◽  
Vegetative Traits ◽  
The Relationship ◽  
Shape And Size ◽  
Tomato Analyzer

Morphological variation in vegetative and fruit traits is a key determinant in unraveling phenotypic diversity. This study was designed to assess phenotypic diversity in tomatoes and examine intra- and intervarietal groups’ variability using 28 conventional descriptors (CDs) and 47 Tomato Analyzer (TA) descriptors related to plant and fruit morphometry. Comprehensive phenotyping of 150 accessions representing 21 countries discerned noticeable variability for CD vegetative traits and TA quantified fruit features, such as shape, size, and color. Hierarchical cluster analysis divided the accessions into 10 distinct classes based on fruit shape and size. Multivariate analysis was used to assess divergence in variable traits among populations. Eight principal components with an eigenvalue >1 were identified by factor analysis, which contributed 87.5% variation to the total cumulative variance with the first two components contributing 32.0% and 18.1% variance, respectively. The relationship between vegetative and fruit descriptors was explained by respective CD and TA correlation networks. There was a strong positive correlation between fruit shape and size whereas negative correlations were between fruit shape index, internal eccentricity, and proximal end shape. The combined approach of CD and TA phenotyping allowed us to unravel the phenotypic diversity of vegetative and reproductive trait variation evaluated at pre- and post-harvest stages.

scholarly journals A preliminary evaluation of the effects of pollinator enhancement and gibberellins on the fruit set and fruit shape of ‘Conference’ pears – Short Communication

2020 ◽  
Vol 47 (No. 4) ◽  
pp. 211-216
Author(s):  
Jolien Smessaert ◽  
Gaby van Kemenade ◽  
Anneleen Arnoys ◽  
Olivier Honnay ◽  
Wannes Keulemans
Keyword(s):  
Short Communication ◽  
Fruit Set ◽  
Fruit Size ◽  
Fruit Shape ◽  
Pyrus Communis ◽  
Preliminary Evaluation ◽  
Size And Shape ◽  
Pyrus Communis L ◽  
Fruit Size And Shape

‘Conference’ (Pyrus communis L.) is a self-incompatible cultivar, although it can also set fruit parthenocarpically. Stimulating parthenocarpy through gibberellin (GA) applications increases the fruit set, but it may also negatively affect the fruit size and shape. The aim of this study was to investigate the effects of a bumblebee (BB) amendment in combination with a GA treatment on the fruit set and fruit shape of ‘Conference’ pears. In the first experiment, we applied three treatments (GA, GA + BB & control) in a ‘Conference’ monoculture. In the second experiment, we applied two treatments (GA & GA + BB) in a ‘Conference’ orchard inter-planted with ‘Concorde’ as pollinizer trees. Both experiments showed that the GA application and bumblebee supplementation did not affect the fruit set. However, the BB treatment resulted in significantly higher amounts of normally shaped pears. Trees closer to the bumblebee hive had more normal shaped pears than trees further away.

scholarly journals Trait Diversity and Potential for Selection Indices Based on Variation Among Regionally Adapted Processing Tomato Germplasm

2012 ◽  
Vol 137 (6) ◽  
pp. 427-437 ◽  
Author(s):  
Heather L. Merk ◽  
Shawn C. Yarnes ◽  
Allen Van Deynze ◽  
Nankui Tong ◽  
Naama Menda ◽  
...  
Keyword(s):  
Environmental Influence ◽  
Fruit Size ◽  
Fruit Shape ◽  
Soluble Solids ◽  
Phenotypic Variance ◽  
Trait Variation ◽  
Flat File ◽  
Horticultural Crops ◽  
Processing Tomato ◽  
Selection Indices

For many horticultural crops, selection is based on quality as well as yield. To investigate the distribution of trait variation and identify those attributes appropriate for developing selection indices, we collected and organized information related to fruit size, shape, color, soluble solids, acid, and yield traits for 143 processing tomato (Solanum lycopersicum L.) lines from North America. Evaluation of the germplasm panel was conducted in a multiyear, multilocation trial. Data were stored in a flat-file format and in a trait ontology database, providing a public archive. We estimated variance components and proportion of variance resulting from genetics for each trait. Genetic variance was low to moderate (range, 0.03–0.51) for most traits, indicating high environmental influence on trait expression and/or complex genetic architecture. Phenotypic values for each line were estimated across environments as best linear unbiased predictors (BLUPs). Principal components (PC) analysis using the trait BLUPs provided a means to assess which traits explained variation in the germplasm. The first two PCs explained 28.0% and 16.2% of the variance and were heavily weighted by measures of fruit shape and size. The third PC explained 12.9% of the phenotypic variance and was determined by fruit color and yield components. Trait BLUPs and the first three PCs were also used to explore the relationship between phenotypes and the origin of the accessions. We were able to differentiate germplasm for fruit size, fruit shape, yield, soluble solids, and color based on origin, indicating regional breeding programs provide a source of trait variation. These analyses suggest that multitrait selection indices could be established that encompass quality traits in addition to yield. However, such indices will need to balance trait correlations and be consistent with market valuation.

scholarly journals Global epigenetic and metabolic changes accompany the alterations in fruit size and shape of Cucurbita pepo L. intra-species grafting

2017 ◽  
Author(s):  
Aliki Xanthopoulou ◽  
Aphrodite Tsaballa ◽  
Ioannis Ganopoulos ◽  
Aliki Kapazoglou ◽  
Evangellia Avramidou ◽  
...  
Keyword(s):  
Dna Methylation ◽  
Cucurbita Pepo ◽  
Molecular Mechanisms ◽  
Expression Patterns ◽  
Fruit Size ◽  
Fruit Shape ◽  
Phenotypic Changes ◽  
Size And Shape ◽  
Fruit Size And Shape ◽  
The Impact

To further understand the impact of grafting on fruit characteristics and to comprehend the mechanisms involved in graft-induced changes we studied homo- and hetero- grafted Cucurbita pepo cultivars (cv.) that vary in fruit size and shape. C. pepo cv. ‘Munchkin’ (small fruit) and cv. ‘Big Moose’ (large fruit) as well as cv. ‘Round green’ (round fruit) and cv. ‘Princess’ (elongated fruit) were homografted and reciprocally heterografted. The results show significant changes in fruit size when ‘Big Moose’ was grafted onto ‘Munchkin’ rootstocks in comparison to homo-grafted controls. Moderate changes in fruit shape were observed when grafting of cv. ‘Round green’ and cv. ‘Princess’ were performed. This is the first report of such phenotypic changes after intra-species/inter-cultivar grafting in Cucurbitaceae. Additionally, we found significant changes in i) secondary metabolite profile, ii) global DNA methylation pattern and iii) miRNA expression patterns in grafted scions and iv) DNA methylation on graft-induced phenotypic changes in grafted plants. Our results contribute to further understanding graft-induced effects on fruit morphology in intra-species grafting. Furthermore, our results pave the way for understanding the role of phenolic metabolites and epigenetic molecular mechanisms on the phenotypic changes recorded.

Decreased number of locules and pericarp cell layers underlie smaller and ovoid fruit in tomato smaller fruit (sf) mutant

Botany ◽  
2018 ◽  
Vol 96 (12) ◽  
pp. 883-895 ◽  
Author(s):  
Yan Zhang ◽  
Yushun Li ◽  
Jie Zhang ◽  
Tayeb Muhammad ◽  
Yan Liang
Keyword(s):  
Agronomic Traits ◽  
Tomato Fruit ◽  
Fruit Size ◽  
Fruit Shape ◽  
Phenotypic Change ◽  
Rna Seq ◽  
Size And Shape ◽  
Locule Number ◽  
Cell Layers ◽  
Fruit Size And Shape

Fruit size and shape are the primary criteria for domestication and improvement of tomato. The varying sizes and shapes of tomato fruit further signify their importance as agronomic traits. Here, we characterized a tomato mutant, smaller fruit (sf), which bears relatively small and ovoid fruits compared with the large and flat fruits of the wild-type (WT). Phenotypic measurements and histological analyses revealed that fruit diameter but not fruit length of the sf mutant decreased compared with that of the WT. This phenotypic change was attributed to significant decreases in locule number and pericarp cell layers in a transverse direction, which resulted in the transition of fruit shape from flat in the WT to ovoid in sf. Comparison of the transcriptomes of ovaries of sf with the WT using RNA-Seq identified 2596 differentially expressed genes, in which 1737 genes significantly were up-regulated and 859 genes were dramatically down-regulated in the sf ovary. Further analyses confirmed that some genes, such as CRCa, CNRs, CYCs, WUS, SUNs, OFRs, CDKs, participate in regulation of fruit size and shape of sf mutant. Thus, our study adds a new genetic resource regarding fruit size and shape of tomato, and provides a valuable basis for understanding molecular regulation of small and ovoid fruit of the sf mutant.

scholarly journals Image-based phenotyping for identification of QTL determining fruit shape and size in American cranberry (Vaccinium macrocarponL.)

PeerJ ◽  
2018 ◽  
Vol 6 ◽  
pp. e5461 ◽  
Author(s):  
Luis Diaz-Garcia ◽  
Giovanny Covarrubias-Pazaran ◽  
Brandon Schlautman ◽  
Edward Grygleski ◽  
Juan Zalapa
Keyword(s):  
Persistent Homology ◽  
Fruit Size ◽  
Fruit Shape ◽  
Quality Parameters ◽  
Width Ratio ◽  
Size And Shape ◽  
American Cranberry ◽  
Length Width ◽  
Fruit Size And Shape ◽  
End Use

Image-based phenotyping methodologies are powerful tools to determine quality parameters for fruit breeders and processors. The fruit size and shape of American cranberry (Vaccinium macrocarponL.) are particularly important characteristics that determine the harvests’ processing value and potential end-use products (e.g., juice vs. sweetened dried cranberries). However, cranberry fruit size and shape attributes can be difficult and time consuming for breeders and processors to measure, especially when relying on manual measurements and visual ratings. Therefore, in this study, we implemented image-based phenotyping techniques for gathering data regarding basic cranberry fruit parameters such as length, width, length-to-width ratio, and eccentricity. Additionally, we applied a persistent homology algorithm to better characterize complex shape parameters. Using this high-throughput artificial vision approach, we characterized fruit from 351 progeny from a full-sib cranberry population over three field seasons. Using a covariate analysis to maximize the identification of well-supported quantitative trait loci (QTL), we found 252 single QTL in a 3-year period for cranberry fruit size and shape descriptors from which 20% were consistently found in all years. The present study highlights the potential for the identified QTL and the image-based methods to serve as a basis for future explorations of the genetic architecture of fruit size and shape in cranberry and other fruit crops.

scholarly journals Global epigenetic and metabolic changes accompany the alterations in fruit size and shape of Cucurbita pepo L. intra-species grafting

2017 ◽  
Author(s):  
Aliki Xanthopoulou ◽  
Aphrodite Tsaballa ◽  
Ioannis Ganopoulos ◽  
Aliki Kapazoglou ◽  
Evangellia Avramidou ◽  
...  
Keyword(s):  
Dna Methylation ◽  
Cucurbita Pepo ◽  
Molecular Mechanisms ◽  
Expression Patterns ◽  
Fruit Size ◽  
Fruit Shape ◽  
Phenotypic Changes ◽  
Size And Shape ◽  
Fruit Size And Shape ◽  
The Impact

To further understand the impact of grafting on fruit characteristics and to comprehend the mechanisms involved in graft-induced changes we studied homo- and hetero- grafted Cucurbita pepo cultivars (cv.) that vary in fruit size and shape. C. pepo cv. ‘Munchkin’ (small fruit) and cv. ‘Big Moose’ (large fruit) as well as cv. ‘Round green’ (round fruit) and cv. ‘Princess’ (elongated fruit) were homografted and reciprocally heterografted. The results show significant changes in fruit size when ‘Big Moose’ was grafted onto ‘Munchkin’ rootstocks in comparison to homo-grafted controls. Moderate changes in fruit shape were observed when grafting of cv. ‘Round green’ and cv. ‘Princess’ were performed. This is the first report of such phenotypic changes after intra-species/inter-cultivar grafting in Cucurbitaceae. Additionally, we found significant changes in i) secondary metabolite profile, ii) global DNA methylation pattern and iii) miRNA expression patterns in grafted scions and iv) DNA methylation on graft-induced phenotypic changes in grafted plants. Our results contribute to further understanding graft-induced effects on fruit morphology in intra-species grafting. Furthermore, our results pave the way for understanding the role of phenolic metabolites and epigenetic molecular mechanisms on the phenotypic changes recorded.

scholarly journals QTL Mapping for Cucumber Fruit Size and Shape with Populations from Long and Round Fruited Inbred Lines

2020 ◽  
Vol 6 (3) ◽  
pp. 132-144 ◽  
Author(s):  
Zhihui Gao ◽  
Haiyang Zhang ◽  
Chenxing Cao ◽  
Jing Han ◽  
Hao Li ◽  
...  
Keyword(s):  
Qtl Mapping ◽  
Fruit Size ◽  
Inbred Lines ◽  
Size And Shape ◽  
Cucumber Fruit ◽  
Fruit Size And Shape
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