2018
DOI: 10.29312/remexca.v6i1.743
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Viabilidad de polen, receptividad del estigma y tipo de polinización en cinco especies Echeveria en condiciones de invernadero

Abstract: Echeveria, género representativo de Crassulaceae por representar 97% de especies endémicas; sus plantas tienen características morfológicas atractivas para la horticultura ornamental. El conocimiento de las características reproductivas es útil para el mejoramiento genético, necesario para ser utilizado en las polinizaciones y aumentar la posibilidad de éxito de la fecundación. El objetivo fue conocer la viabilidad de polen, receptividad del estigma y tipo de polinización de cinc… Show more

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Cited by 6 publications
(10 citation statements)
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“…In addition to the regulatory proposal, a tissue culture project of P. caesium must be carried out to rescue and plant conservation, and a public awareness program should be implemented among climbers, as these are viable conservation strategies for threatened species, as suggested by Croteau et al [64]. Finally, in other Crassulaceae species, a high limitation of pollinators, a limited pollen movement, and many vain seeds have been reported [28,29]. All these limitations are likely to be present in P. caesium; thus, we recommend realizing future genetic and reproductive studies with this species in order to understand its biology and provide the best conservation recommendation.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In addition to the regulatory proposal, a tissue culture project of P. caesium must be carried out to rescue and plant conservation, and a public awareness program should be implemented among climbers, as these are viable conservation strategies for threatened species, as suggested by Croteau et al [64]. Finally, in other Crassulaceae species, a high limitation of pollinators, a limited pollen movement, and many vain seeds have been reported [28,29]. All these limitations are likely to be present in P. caesium; thus, we recommend realizing future genetic and reproductive studies with this species in order to understand its biology and provide the best conservation recommendation.…”
Section: Discussionmentioning
confidence: 99%
“…Furthermore, minimal pollen movement is reported. In general, the plants produce a large number of infertile or vain seeds [28,29].…”
Section: Species Descriptionmentioning
confidence: 99%
“…Studies about the determination of pollen viability and stigma receptivity are essential activities to carry out genetic recombination. These tests have been useful in hybridization processes in species of the Echeveria genus (Rodríguez-Rojas et al, 2015) and in poinsettia (Euphorbia pulcherrima Willd. ex Klotszch) (Canul-Ku et al, 2015;Rodríguez et al, 2017).…”
Section: Resultsmentioning
confidence: 99%
“…As observed, P. oviferum clustered with six species of Echeveria, due to the fact that they share similar characteristic related to the shape of the leaves, color, size and inflorescence, but it should be said that its growth is not in rosette, but presents an ascendant ramification. According to the results, it can be said that Crassulaceae is a very complex family, due to its easy hybridization and there could have crossbreeding not only among species of the same genus but among different genera as well, being the possible cause for which morphological similarity is shared among genera (Jones et al, 2010;Jimeno-Sevilla et al, 2013;Jimeno-Sevilla et al, 2014 andRodríguez-Rojas et al, 2015). The current specific taxonomical classification might also be incorrect.…”
Section: Caracterización Molecularmentioning
confidence: 99%