Univariate and multivariate analysis performed on bio-agronomical traits of Cucumis melo L. germplasm

Lotti, Concetta; Marcotrigiano, Angelo Raffaele; Giovanni, Claudio De; Resta, P.; Ricciardi, Alessandro; Zonno, Vito; Fanizza, G.; Ricciardi, Luigi M.

doi:10.1007/s10722-007-9257-y

Cited by 27 publications

(19 citation statements)

References 18 publications

(21 reference statements)

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“…The inodorus group is traditionally cultivated in Southern Italy, where it is appreciated for its long storability that allows consumption during the whole autumn and winter [19]. Here, we show that the distribution of molecular diversity of inodorus accessions is associated with the rind phenotype.…”

Section: Discussionmentioning

confidence: 55%

Genotyping-by-sequencing of a melon (Cucumis melo L.) germplasm collection from a secondary center of diversity highlights patterns of genetic variation and genomic features of different gene pools

et al. 2017

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BackgroundMelon (Cucumis melo L.) is one of the most important horticultural species, which includes several taxonomic groups. With the advent of next-generation sequencing, single nucleotide polymorphism (SNP) markers are widely used in the study of genetic diversity and genomics.ResultsWe report the first successful application of genotyping-by-sequencing (GBS) technology in melon. We detected 25,422 SNPs by the analysis of 72 accessions collected in Apulia, a secondary centre of diversity in Southern Italy. Analyses of genetic structure, principal components, and hierarchical clustering support the identification of three distinct subpopulations. One of them includes accessions known with the folk name of ‘carosello’, referable to the chate taxonomic group. This is one of the oldest domesticated forms of C. melo, once widespread in Europe and now exposed to the risk of genetic erosion. The second subpopulation contains landraces of ‘barattiere’, a regional vegetable production that was never characterized at the DNA level and we show was erroneously considered another form of chate melon. The third subpopulation includes genotypes of winter melon (C. melo var. inodorus). Genetic analysis within each subpopulation revealed patterns of diversity associated with fruit phenotype and geographical origin. We used SNP data to describe, for each subpopulation, the average linkage disequilibrium (LD) decay, and to highlight genomic regions possibly resulting from directional selection and associated with phenotypic variation.ConclusionsWe used GBS to characterize patterns of genetic diversity and genomic features within C. melo. We provide useful information to preserve endangered gene pools and to guide the use of germplasm in breeding. Finally, our findings lay a foundation for molecular breeding approaches and the identification of genes underlying phenotypic traits.Electronic supplementary materialThe online version of this article (doi:10.1186/s12864-016-3429-0) contains supplementary material, which is available to authorized users.

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Section: Discussionmentioning

confidence: 55%

Genotyping-by-sequencing of a melon (Cucumis melo L.) germplasm collection from a secondary center of diversity highlights patterns of genetic variation and genomic features of different gene pools

et al. 2017

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“…A descriptive statistical analysis was also used to study genetic variability in some other crops, such as garlic (Allium sativum L.) (PANTHEE et al, 2006), groundnut (Vigna subterranea (L.) Verdc) (NTUNDU et al, 2006), and melon (Cucumis melo L.) (LOTTI et al, 2008). Genetic variability is the raw material of crop breeding industry on which selection acts to evolve superior genotypes.…”

Section: Resultsmentioning

confidence: 99%

Determination of the genetic variation in Ajowan (Carum Copticum L.) populations using multivariate statistical techniques

Dalkani¹,

Hassani²,

Darvishzadeh³

2012

Rev. Ciênc. Agron.

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Determination of the genetic variation in Ajowan (Carum CopticumL. Broad-sense heritability for all of the characteristics studied was moderate to high, and varied from 0.41 to 91% with the exception of the number of branches, length and ripening period, which had low broad-sense heritability. Cluster analysis using Ward's method classified ten populations of Ajwain into four groups. Principal Component Analysis (PCA), using 18 agronomical and morphological characteristics, indicated that the first two principal components (PCs) with eigenvalues of more than one, accounted for 74.5% of the total variance. The results of the PCA were consistent with those of the cluster analysis. The present study demonstrates that populations of Ajwain from Iran displayed a considerable diversity of agronomical and morphological characteristics that are useful in germplasm management and for utilisation in improvement programs.Key words: Ajwain. Genetic diversity. Heritability.RESUMO -O experimento foi conduzido na Universidade de Urmia para avaliar a diversidade genética em populações iranianas de Ajowan, baseada em características agro-morfológicas. Dez populações, coletadas em diferentes regiões, foram avaliadas num delineamento inteiramente casualizado, com oito a dez repetições. Foram avaliadas várias características agro-morfológicas, como o diâmetro do caule, altura da planta, número de ramos, número de folhas e folíolos, número de umbelas, número de umbelas em uma inflorescência, número de flores por umbelas e inflorescência, comprimento da folha, média distância internodal, peso seco da parte aérea, peso de cem sementes, número de sementes, rendimento biológico, rendimento por planta única, duração do período de maturação e índice de colheita,. Entre as características estudadas, um coeficiente de variação alto foi observado para o número de sementes (197,58), rendimento por planta única (57,56) e peso seco da parte aérea (56,28). As herdabilidades de sentido amplo, para todas as características estudadas, foram de moderadas a altas, e variaram de 0,41a 91%, com excepção do número de ramos e das características de comprimento e período de maturação, que teve baixa herdabilidade de sentido amplo.

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“…A multidimensional principal component analysis (PCA) and cluster analysis (Badenes et al, 2000, Lotti et al, 2008 were carried out to compare the quality of new potatoes imported from various countries. As the variables used in the analysis had different units, they were stan dardised.…”

Section: Discussionmentioning

confidence: 99%

Comparative Study of the Quality of New Potatoes Imported from the Mediterranean Area

Wadas¹,

Rymuza²

2019

J. Ecol. Eng.

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This paper presents the comparison of the quality of new potatoes imported from the Mediterranean area during the winterspring period. The study material included the new potatoes imported from Cyprus, Egypt, Israel, Spain and Morocco, purchased in Poland, from the beginning of February to the end of May. The laboratory analyses were performed on a total of 162 potato samples. The dry matter content in the new potatoes imported from Spain and Morocco was higher than in the potatoes originating from Cyprus, Egypt or Israel. The dry matter content in the new potatoes imported from Cyprus, Egypt, and in the majority of new potatoes imported from Israel did not differ significantly. PCA showed that the potatoes which had more dry matter contained more L ascorbic acid but less total sugars. The least L-ascorbic acid content and the lowest protein content were determined in the 'Nicola' potatoes imported from Israel and 'Excellency' tubers imported from Spain. The amounts of L-ascorbic acid and protein in the remaining potato samples tested were at a similar level. The potatoes of the same variety imported from different countries did not differ in terms of L-ascorbic acid content. The 'Maris Peer' tubers imported from Spain had more protein than those originating from Israel. The starch contents in new potatoes imported from Israel and Cyprus were lower compared with the tubers from Egypt, Spain and Morocco. The potatoes which had more starch had higher dry matter contents and more monosaccharides. The highest starch content was de termined in the 'Excellency' potatoes, which represent the floury cooking type, imported from Spain or Morocco. The 'Excellency' tubers imported from Morocco had more total sugars and monosaccharides than the potatoes imported from Spain. All of the tested potato varieties had a very low susceptibility to the aftercooking darkening.

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Univariate and multivariate analysis performed on bio-agronomical traits of Cucumis melo L. germplasm

Cited by 27 publications

References 18 publications

Genotyping-by-sequencing of a melon (Cucumis melo L.) germplasm collection from a secondary center of diversity highlights patterns of genetic variation and genomic features of different gene pools

Genotyping-by-sequencing of a melon (Cucumis melo L.) germplasm collection from a secondary center of diversity highlights patterns of genetic variation and genomic features of different gene pools

Determination of the genetic variation in Ajowan (Carum Copticum L.) populations using multivariate statistical techniques

Comparative Study of the Quality of New Potatoes Imported from the Mediterranean Area

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