Research Article Characterization of a pepper collection (Capsicum frutescens L.) from Brazil.

Lima, M. F.; Carvalho, S. I. C. de; Ragassi, Carlos Francisco; Bianchetti, Luciano B.; Faleiro, Fábio Gelape; Reifschneider, F. J. B.

doi:10.4238/gmr16039704

Cited by 15 publications

(11 citation statements)

References 23 publications

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“…Although it has been seen that, in general, the accumulation pattern of CTE content in pepper fruit during its ripening stages followed similar trends, it is also true that, depending on the pepper's genotype, as well as on the growing conditions or environmental factors, such content may vary and result differently accordingly. In this sense, it would be necessary to monitor every detail of each crop's cultivation conditions, including all the possible environmental factors, since they may greatly influence the final product and its composition [51,52]. For this reason, it would be necessary to complete deeper studies where a greater number of varieties and under a wider range of different conditions would be analyzed.…”

Section: Evolution Of the Total Capsinoids Contentmentioning

confidence: 99%

Changes in Capsiate Content in Four Chili Pepper Genotypes (Capsicum spp.) at Different Ripening Stages

et al. 2020

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Interest in the consumption of the fruits of pepper (Capsicum spp.) is not only due to its organoleptic characteristics, but also due to its bioactive compounds content, which are reported to provide essential benefits to human health. However, the amount and diversity of these compounds in each fruit specimen depend on its genotype and on a number of environmental factors. This work describes the quantitative ultra-high-performance liquid chromatography coupled to photodiode-array (UHPLC-PDA) analysis of the capsinoids content in four varieties of pepper (‘Habanero’, ‘Habanero Roxo’, ‘Bode’, and ‘Malagueta’) grown until different development stages in a greenhouse under controlled conditions. In all the varieties analyzed, capsiate was the only capsinoid found. The accumulation of capsiate, in all the pepper varieties, started from the 10th to the 20th day post-anthesis (dpa), and increased during the first days (between the 20th and the 27th dpa). From that moment a drastic reduction took place until the end of the ripening stage, except for ‘Bode’ peppers, where the capsiate content increased from the first harvest point on the 20th dpa up to the 76th dpa. The capsiate accumulation patterns over the development of the fruit has been related to the capsaicionoids accumulation patterns in the same samples of the four varieties of pepper. According to our results, the content evolution of both families of compounds will vary depending on each fruit’s genotype, as well as on environmental conditions. No clear trends have been established and, therefore, an in-depth analysis under controlled conditions should be carried out.

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Section: Evolution Of the Total Capsinoids Contentmentioning

confidence: 99%

Changes in Capsiate Content in Four Chili Pepper Genotypes (Capsicum spp.) at Different Ripening Stages

et al. 2020

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“…Studies related to genetic resources-such as the collection, characterization, and conservation of germplasm-of Capsicum are of great relevance for the preservation of the genetic diversity of the genus and for its use in breeding programs [37,38,[54][55][56][57]. The acquisition and maintenance of germplasm banks are strategies that allow us to explore and expand the genetic variability of the acquired accessions and are fundamental to mitigate the effects of the loss of genetic variability caused by the exploitation of domesticated species [5].…”

Section: Discussionmentioning

confidence: 99%

Phenotypic and Molecular Characterization of Brazilian Capsicum Germplasm

Brilhante

Santos

et al. 2021

Agronomy

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Population growth and the high demand for food production has caused environmental degradation losses in biodiversity. The conservation of genetic resources is the most appropriate strategy for maintaining the variability of species of great importance, such as Capsicum. In this study, we describe the characterization of 69 pepper accessions of four Capsicum species from different regions of Brazil on the basis of qualitative and quantitative descriptors and ISSR markers. The 11 quantitative descriptors grouped the 69 populations into five clades. The fruit traits had the greater discrimination power. A strong correlation was detected between some pairs of quantitative descriptors: petiole and fruit length, fruit diameter and fresh fruit mass, leaf length and leaf width, canopy and plant height, stem diameter and plant height, stem diameter and canopy diameter. A negative correlation was also observed between plant height and pericarp thickness. Moreover, the molecular analysis grouped accessions into five clades. The morpho-agronomic and molecular characterization were efficient to estimate the genetic diversity between accessions, being important tools for the knowledge and use of accessions. This study is of great importance to preserve pepper germplasm and to provide data to facilitate the process of the selection in breeding programs.

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“…Although, more enduring cultivars against flooding stress had different genome profiling. Likewise, RAPD methods were reported reliable to distinguish genetic diversity among cultivars in the same species of chili in India [20], effective for identification of closely related pepper varieties [44], reliable in accessions of hot chili pepper (C. frutescens) characterization in Brazil and become a valuable tool in breeding programs [45]. Fig.…”

Section: F Rapd Profilingmentioning

confidence: 99%

Genetic Variation Based on RAPD Profiling and Production Loss of Cayenne Pepper due to Periodic Flooding

Pahlevi¹,

Indriyani²,

Mastuti³

et al. 2021

Int. J. Adv. Sci. Eng. Inf. Technol.

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Cayenne pepper is known as a sensitive plant to water stress, either drought or flooding. However, not many studies on the plant's response to the naturally occurring periodic flooding have been reported to date. This study aimed to determine the agronomic and genetic response of cayenne pepper against periodic flooding and find whether RAPD profile reflects periodic flooding endurance. Three cultivars of cayenne pepper: Cakra Hijau (CH); Mhanu XR (M); and Sret (S) were used. Plants were treated with periodic flooding P0 (one day of flooding followed by two days of drainage), P1 (2 x P0), and P2 (3 x P0), and C as control. A completely randomized design was used for the experiment, and the data obtained were analyzed statistically. Plant height and the number of fruits between the control and every flooding treated plant were significantly different, indicating that periodic flooding caused the delay of stem growth and decreased fruit number of all cultivars. The number of branches was influenced significantly by periodic flooding.In contrast, the plant survival rate showed no significant difference among all treatments. The higher the periodic flooding, the higher the risk of plant death and increased risk of production loss. Jaccard's clustering on RAPD profiling indicated that the group was developed based on cultivar more than periodic flooding. It was concluded that CH differed from others and had better endurance against periodic flooding, made it a right candidate for a breeding program.

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Research Article Characterization of a pepper collection (Capsicum frutescens L.) from Brazil.

Cited by 15 publications

References 23 publications

Changes in Capsiate Content in Four Chili Pepper Genotypes (Capsicum spp.) at Different Ripening Stages

Changes in Capsiate Content in Four Chili Pepper Genotypes (Capsicum spp.) at Different Ripening Stages

Phenotypic and Molecular Characterization of Brazilian Capsicum Germplasm

Genetic Variation Based on RAPD Profiling and Production Loss of Cayenne Pepper due to Periodic Flooding

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