Phaseolus beans (Leguminosae, Phaseoleae): a checklist and notes on their taxonomy and ecology

Debouck, Daniel G.

doi:10.17348/jbrit.v15.i1.1052

Cited by 8 publications

(9 citation statements)

References 32 publications

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“…La especie P. albiviolaceus aparece en el grupo Tuerckheimii y no en Pedicellatus, como se diagnosticó morfológicamente (Freytag & Debouck, 2002) Estudios a futuro deben contemplar las especies ya conocidas y las que se identifiquen como nuevas a partir de colectas recientes y amplias de germoplasma (Debouck, 2021), de modo que se puedan resolver las inconsistencias e incertidumbres con respecto a la clasificación filogenética de las especies del género Phaseolus, considerando las tasas evolutivas rápidas en el género (Delgado-Salinas et al, 2006).…”

Section: Discussionunclassified

“…El género Phaseolus es originario de América y pertenece a la familia Leguminosae (Fabaceae), sub-familia Papilionoideae y tribu Phaseoleae. El género Phaseolus es monofilético y comprende 81 especies y, alrededor de 30 taxa infra específicos, conforman ocho grupos filogenéticos dentro de dos clados (Debouck, 2021;Delgado-Salinas et al, 2006;Dohle et al, 2019;Freytag & Debouck, 2002;Ramírez-Villegas et al, 2010). Cinco especies se han domesticado: Phaseolus vulgaris L., P. lunatus L., P. coccineus L., P. acutifolius A.…”

Section: Introductionunclassified

“…En el territorio mexicano las especies endémicas del género Phaseolus representan un recurso genético importante. De las especies descritas (Debouck, 2021;Freytag & Debouck, 2002) al menos 31 son endémicas de México, lo que lo convierte en el país con la mayor biodiversidad del género (Debouck, 2021). Sin embargo, la mayor parte de los estudios relacionados con Phaseolus, así como las colecciones de recursos fitogenéticos del mismo se han centrado principalmente en P. vulgaris y, en menor medida, en el resto de las especies domesticadas del género: P. lunatus, P. coccineus, P. acutifolius y P. polyanthus (Dohle et al, 2019).…”

Section: Introductionunclassified

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Relaciones filogenéticas de especies de Phaseolus de México con base en marcadores de ADN cloroplástico

Villagrán¹,

Martínez²,

Vázquez³

et al. 2022

polibotanica

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Podopterus mexicanus Humb. & Bonpl. Polygonaceae. "Rompe capa". Árboles o arbustos de 1.5-6.0 m de altura, ramas con espina terminal, braquiblastos, hojas fasciculadas, flores blancas a verdosas en fascículos, y frutos cubiertos por el perianto externo que forma alas delgadas y largamente decurrentes hacia el pedicelo. Crece en bosques tropicales caducifolios y bosques espinosos, sobre suelo rocoso negro derivado de rocas ígneas. En elevaciones de 550-760 m. Florece de abril a mayo y fructifica de junio a septiembre.

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Section: Discussionunclassified

Section: Introductionunclassified

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Relaciones filogenéticas de especies de Phaseolus de México con base en marcadores de ADN cloroplástico

Villagrán¹,

Martínez²,

Vázquez³

et al. 2022

polibotanica

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“…There are two points here: first, given the possibilities opened by comparative mapping in the Phaseoleae (Schmutz et al, 2014;Vlasova et al, 2016;Garcia et al, 2021;Moghaddam et al, 2021) and by gene editing (Bhatta and Malla, 2020;Ku and Ha, 2020), it may be time to think beyond direct interspecific hybridization for the use of alien germplasm. In that sense, species of clade A that may represent half of genus (Delgado-Salinas et al, 2006;Porch et al, 2013;Debouck, 2021) may be opportunities of genes to imitate and/or to regulate differently instead of genes to transfer. But given the speed of the technological development in breeding (Hickey et al, 2019), the action should be initiated now with the most threatened habitats (Williams et al, 2007), species (Goettsch et al, 2021), or unpredictable conditions, or timeconsuming work.…”

Section: Discussionmentioning

confidence: 99%

History and impact of a bean (Phaseolus spp., Leguminosae, Phaseoleae) collection

Debouck

Santaella

Santos

2021

GenResJ

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This work explains the reasons why a bean collection was established in 1973 at the International Center of Tropical Agriculture (CIAT) near Palmira in Colombia. It shows the impact of the collection on plant breeding and in agricultural development through the distribution of germplasm to the center’s bean breeding program, to successively ﬁnd resistances to pests and diseases, adaptation to low phosphorus and drought, and more recently higher content of iron and zinc in seeds. The collection was also used to progress knowledge in biological sciences, as shown by a dozen of examples. A reason behind these successes was foresight and focus on diversity per se in the collection. The paper ends with a number of suggestions for the way ahead for the genetic resources conservation and management of these bean crops, and possible take-home lessons for curators in charge of other similar collections.

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“…P. acutifolius (tepary bean) is an important species in common bean breeding, due to its adaptation to abiotic and biotic stress ( Singh and Munoz, 1999 ; Porch et al., 2013 ; Kusolwa et al., 2016 ). The use of cultivated and wild relatives of P. vulgaris by the common bean breeding program at CIAT started in the 1980s, with the aim of generating lines with elevated levels of introgression from P. acutifolius and/or P. parvifolius ~ P. montanus ( Debouck, 2021 ), using techniques such as congruity backcrossing (CBC) and recurrent backcrossing (RBC) ( Haghighi and Ascher, 1988 ; Mejía-Jiménez et al., 1994 ; Singh et al., 1998 ) with the help of bridge genotypes.…”

Section: Introductionmentioning

confidence: 99%

Using phenomics to identify and integrate traits of interest for better-performing common beans: A validation study on an interspecific hybrid and its Acutifolii parents

et al. 2022

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IntroductionEvaluations of interspecific hybrids are limited, as classical genebank accession descriptors are semi-subjective, have qualitative traits and show complications when evaluating intermediate accessions. However, descriptors can be quantified using recognized phenomic traits. This digitalization can identify phenomic traits which correspond to the percentage of parental descriptors remaining expressed/visible/measurable in the particular interspecific hybrid. In this study, a line of P. vulgaris, P. acutifolius and P. parvifolius accessions and their crosses were sown in the mesh house according to CIAT seed regeneration procedures.MethodologyThree accessions and one derived breeding line originating from their interspecific crosses were characterized and classified by selected phenomic descriptors using multivariate and machine learning techniques. The phenomic proportions of the interspecific hybrid (line INB 47) with respect to its three parent accessions were determined using a random forest and a respective confusion matrix.ResultsThe seed and pod morphometric traits, physiological behavior and yield performance were evaluated. In the classification of the accession, the phenomic descriptors with highest prediction force were Fm’, Fo’, Fs’, LTD, Chl, seed area, seed height, seed Major, seed MinFeret, seed Minor, pod AR, pod Feret, pod round, pod solidity, pod area, pod major, pod seed weight and pod weight. Physiological traits measured in the interspecific hybrid present 2.2% similarity with the P. acutifolius and 1% with the P. parvifolius accessions. In addition, in seed morphometric characteristics, the hybrid showed 4.5% similarity with the P. acutifolius accession.ConclusionsHere we were able to determine the phenomic proportions of individual parents in their interspecific hybrid accession. After some careful generalization the methodology can be used to: i) verify trait-of-interest transfer from P. acutifolius and P. parvifolius accessions into their hybrids; ii) confirm selected traits as “phenomic markers” which would allow conserving desired physiological traits of exotic parental accessions, without losing key seed characteristics from elite common bean accessions; and iii) propose a quantitative tool that helps genebank curators and breeders to make better-informed decisions based on quantitative analysis.

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Phaseolus beans (Leguminosae, Phaseoleae): a checklist and notes on their taxonomy and ecology

Cited by 8 publications

References 32 publications

Relaciones filogenéticas de especies de Phaseolus de México con base en marcadores de ADN cloroplástico

Relaciones filogenéticas de especies de Phaseolus de México con base en marcadores de ADN cloroplástico

History and impact of a bean (Phaseolus spp., Leguminosae, Phaseoleae) collection

Using phenomics to identify and integrate traits of interest for better-performing common beans: A validation study on an interspecific hybrid and its Acutifolii parents

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