‘NuMex Vaquero’ Jalapeño

Bosland, Paul W.

doi:10.21273/hortsci.45.10.1552

Cited by 11 publications

(7 citation statements)

References 4 publications

(6 reference statements)

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“…The New Mexican types included ‘NuMex Joe E. Parker’ [ 48 ], ‘NuMex Heritage Big Jim’ [ 38 ], ‘NuMex Big Jim’ [ 49 ], and ‘NuMex Sandia Select’ [ 39 ], whereas the cayenne type included ‘NuMex Las Cruces’ [ 50 ]. The paprika type consisted of ‘NuMex Garnet’ [ 51 ], and the jalapenos comprised of ‘NuMex Jalmundo’ [ 52 ], ‘NuMex Vaquero’ [ 53 ], and ‘NuMex Piñata’ [ 54 ]. The ornamental types included ‘NuMex Twilight’ [ 55 ], ‘NuMex Christmas’, and ‘NuMex Thanksgiving’ [ 56 ].…”

Section: Methodsmentioning

confidence: 99%

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

et al. 2021

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Background Chile peppers (Capsicum spp.) are among the most important horticultural crops in the world due to their number of uses. They are considered a major cultural and economic crop in the state of New Mexico in the United States. Evaluating genetic diversity in current New Mexican germplasm would facilitate genetic improvement for different traits. This study assessed genetic diversity, population structure, and linkage disequilibrium (LD) among 165 chile pepper genotypes using single nucleotide polymorphism (SNP) markers derived from genotyping-by-sequencing (GBS). Results A GBS approach identified 66,750 high-quality SNP markers with known map positions distributed across the 12 chromosomes of Capsicum. Principal components analysis revealed four distinct clusters based on species. Neighbor-joining phylogenetic analysis among New Mexico State University (NMSU) chile pepper cultivars showed two main clusters, where the C. annuum genotypes grouped together based on fruit or pod type. A Bayesian clustering approach for the Capsicum population inferred K = 2 as the optimal number of clusters, where the C. chinense and C. frutescens grouped in a single cluster. Analysis of molecular variance revealed majority of variation to be between the Capsicum species (76.08 %). Extensive LD decay (~ 5.59 Mb) across the whole Capsicum population was observed, demonstrating that a lower number of markers would be required for implementing genome wide association studies for different traits in New Mexican type chile peppers. Tajima’s D values demonstrated positive selection, population bottleneck, and balancing selection for the New Mexico Capsicum population. Genetic diversity for the New Mexican chile peppers was relatively low, indicating the need to introduce new alleles in the breeding program to broaden the genetic base of current germplasm. Conclusions Genetic diversity among New Mexican chile peppers was evaluated using GBS-derived SNP markers and genetic relatedness on the species level was observed. Introducing novel alleles from other breeding programs or from wild species could help increase diversity in current germplasm. We present valuable information for future association mapping and genomic selection for different traits for New Mexican chile peppers for genetic improvement through marker-assisted breeding.

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Section: Methodsmentioning

confidence: 99%

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

et al. 2021

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“…Various resistant cultivars have been produced (Barksdale et al, 1984;Bosland, 2010;Guerrero-Moreno and Laborde, 1980;Kimble and Grogan, 1960;Pochard and Chambonnet, 1971), but these cultivars are not resistant at all locations (Oelke et al, 2003). Previous studies have determined factors that affect the expression of resistance genotypes; e.g., plant age, P. capsici isolate origin, zoospore concentration, and inoculation method (Ortega and Espanol, 1983;Pochard and Chambonnet, 1971;Pochard et al, 1976;Reifschneider et al, 1986a).…”

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confidence: 99%

Physiological Race Characterization of Phytophthora capsici Isolates from Several Host Plant Species in Brazil Using New Mexico Recombinant Inbred Lines of Capsicum annuum at Two Inoculum Levels

Ribeiro¹,

Bosland²

2012

J. Amer. Soc. Hort. Sci.

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Phytophthora blight, caused by Phytophthora capsici, is one of the most destructive diseases worldwide that affects Capsicum pepper. Attempts to provide universally resistant cultivars has been unsuccessful, which may be the result of the use of different resistance sources, pathotypes, or races of P. capsici isolates and screening techniques. The screening method used at Embrapa Vegetables in Brazil to detect resistance to P. capsici in Capsicum was compared with the screening method used at New Mexico State University. Both screening methods produced similar and consistent results when a range of P. capsici isolates were used. It was concluded that either method can successfully differentiate resistant and susceptible individuals. In addition, 20 P. capsici isolates from Brazil were characterized for virulence using a subset of 26 New Mexico recombinant inbred lines of pepper (Capsicum annuum). Within the P. capsici populations from Brazil, eight new physiological races for the root rot disease syndrome were identified. A total of nine isolates were pathogenic only on the susceptible control, ‘Camelot’. The ability to identify physiological races of P. capsici occurring in Brazil allows for a better understanding about race-specific resistance leading to improved approaches in breeding for durable resistant cultivars.

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“…The New Mexican types included 'NuMex Joe E. Parker' [48], 'NuMex Heritage Big Jim' [38], 'NuMex Big Jim' [49], and 'NuMex Sandia Select' [39], whereas the cayenne type included 'NuMex Las Cruces' [50]. The paprika type consisted of 'NuMex Garnet' [51], and the jalapenos comprised of 'NuMex Jalmundo' [52], 'NuMex Vaquero' [53], and 'NuMex Piñata' [54]. The ornamental types included 'NuMex Twilight' [55], 'NuMex Christmas', and 'NuMex Thanksgiving' [56].…”

Section: Plant Materialsmentioning

confidence: 99%

Single Nucleotide Polymorphisms Reveal Genetic Diversity in New Mexican Chile Peppers (Capsicum Spp.) 

Lozada

Bhatta

Coon

et al. 2021

Preprint

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Background: Chile peppers (Capsicum spp.) are among the most important horticultural crops in the world due to their number of uses. They are considered a major cultural and economic crop in the state of New Mexico in the United States. Evaluating genetic diversity in current New Mexican germplasm would facilitate genetic improvement for different traits. This study assessed genetic diversity, population structure, and linkage disequilibrium (LD) among 165 chile pepper genotypes using single nucleotide polymorphism (SNP) markers derived from genotyping-by-sequencing (GBS). Results: A GBS approach identified 66,750 high-quality SNP markers with known map positions distributed across the 12 chromosomes of Capsicum. Principal components analysis revealed four distinct clusters based on species. Neighbor-joining phylogenetic analysis among New Mexico State University (NMSU) chile pepper varieties showed two main clusters, where the C. annuum genotypes grouped together based on fruit or pod type. A Bayesian clustering approach for the Capsicum population inferred K= 2 as the optimal number of clusters, where the C. chinense and C. frutescens grouped in a single cluster. Analysis of molecular variance revealed majority of variation to be between the Capsicum species (76.08%). Extensive LD decay (~5.59 Mb) across the whole Capsicum population was observed, demonstrating that a lower number of markers would be required for implementing genomewide association studies for different traits in New Mexican type chile peppers. Tajima’s D values demonstrated positive selection, population bottleneck, and balancing selection for the New Mexico Capsicum population. Genetic diversity for the New Mexican chile peppers was relatively low, indicating the need to introduce new alleles in the breeding program to broaden the genetic base of current germplasm. Conclusions: Analysis of genetic diversity among New Mexican chile peppers were evaluated using GBS-derived SNP markers and genetic relatedness on the species level was observed. Introducing novel alleles from other breeding programs or from wild species could help increase diversity in current germplasm. We present valuable information for future association mapping and genomic selection for different traits for New Mexican chile peppers for genetic improvement through marker-assisted breeding.

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‘NuMex Vaquero’ Jalapeño

Cited by 11 publications

References 4 publications

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

Physiological Race Characterization of Phytophthora capsici Isolates from Several Host Plant Species in Brazil Using New Mexico Recombinant Inbred Lines of Capsicum annuum at Two Inoculum Levels

Single Nucleotide Polymorphisms Reveal Genetic Diversity in New Mexican Chile Peppers (Capsicum Spp.)

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‘NuMex Vaquero’ Jalapeño

Cited by 11 publications

References 4 publications

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

Physiological Race Characterization of Phytophthora capsici Isolates from Several Host Plant Species in Brazil Using New Mexico Recombinant Inbred Lines of Capsicum annuum at Two Inoculum Levels

Single Nucleotide Polymorphisms Reveal Genetic Diversity in New Mexican Chile Peppers (Capsicum Spp.)&nbsp;

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Single Nucleotide Polymorphisms Reveal Genetic Diversity in New Mexican Chile Peppers (Capsicum Spp.)