2018
Gudiño, W.; de la Barrera, E.; Márquez-Guzmán, J.
Estructura de los nectarios florales y el néctar en la familia Cactaceae Journal Article
In: Cactáceas y suculentas mexicanas, vol. 64, pp. 100-126, 2018.
Abstract | Links | BibTeX | Tags: ecophysiology, nectar, nectary, reproductive ecophysiology
@article{Gudiño2018,
title = {Estructura de los nectarios florales y el néctar en la familia Cactaceae},
author = {W. Gudiño and E. de la Barrera and J. Márquez-Guzmán},
url = {http://web.ecologia.unam.mx/cactsucmex/csm2018_63_4.pdf},
year = {2018},
date = {2018-11-01},
journal = {Cactáceas y suculentas mexicanas},
volume = {64},
pages = {100-126},
abstract = {Los nectarios son estructuras glandulares o tejidos especializados encargados de sintetizar y secretar el néctar. El néctar, por su parte, es una solución compuesta por azúcares y proteínas que las plantas usan como recompensa para los polinizadores o para los insectos que las protegen de la herbivoría. Por más de 200 años los nectarios y el néctar han sido objeto de la atención de numerosos investigadores, debido al rol central que juegan en la interacción planta-polinizador. Sin embargo, la mayoría de los trabajos se enfocan solo en la interacción ecológica y pocos en la forma, función y ubicación. Los pocos trabajos acerca de nectarios en la familia de las Cactaceae son un claro ejemplo de que a pesar de que, las cactáceas son uno de los grupos más importantes
en las zonas áridas del país aún falta mucho por conocer de esta familia. El objetivo de este trabajo es reunir, sintetizar y analizar la información disponible a la fecha sobre los nectarios florales y el néctar en la familia Cactaceae, con el propósito de ofrecer a los interesados un documento con información actualizada. },
keywords = {ecophysiology, nectar, nectary, reproductive ecophysiology},
pubstate = {published},
tppubtype = {article}
}
Los nectarios son estructuras glandulares o tejidos especializados encargados de sintetizar y secretar el néctar. El néctar, por su parte, es una solución compuesta por azúcares y proteínas que las plantas usan como recompensa para los polinizadores o para los insectos que las protegen de la herbivoría. Por más de 200 años los nectarios y el néctar han sido objeto de la atención de numerosos investigadores, debido al rol central que juegan en la interacción planta-polinizador. Sin embargo, la mayoría de los trabajos se enfocan solo en la interacción ecológica y pocos en la forma, función y ubicación. Los pocos trabajos acerca de nectarios en la familia de las Cactaceae son un claro ejemplo de que a pesar de que, las cactáceas son uno de los grupos más importantes
en las zonas áridas del país aún falta mucho por conocer de esta familia. El objetivo de este trabajo es reunir, sintetizar y analizar la información disponible a la fecha sobre los nectarios florales y el néctar en la familia Cactaceae, con el propósito de ofrecer a los interesados un documento con información actualizada.
en las zonas áridas del país aún falta mucho por conocer de esta familia. El objetivo de este trabajo es reunir, sintetizar y analizar la información disponible a la fecha sobre los nectarios florales y el néctar en la familia Cactaceae, con el propósito de ofrecer a los interesados un documento con información actualizada.
2015
Gudiño, W.; Ávila-Díaz, I.; Oyama, K.; de la Barrera, E.
High-temperature tolerance by the endangered Mexican orchid Laelia speciosa Journal Article
In: Tropical Conservation Science, vol. 8, no. 4, pp. 983-991, 2015.
Links | BibTeX | Tags: assisted migration, climate change, conservation physiology, ecological niche, global warming, Laelia, orchid, temperature, tissue culture
@article{Gudiño2015b,
title = {High-temperature tolerance by the endangered Mexican orchid \textit{Laelia speciosa}},
author = {W. Gudiño and I. Ávila-Díaz and K. Oyama and E. de la Barrera },
url = {http://tropicalconservationscience.mongabay.com/content/v8/tcs_v8i4_983-991_Gudino.pdf},
year = {2015},
date = {2015-12-13},
journal = {Tropical Conservation Science},
volume = {8},
number = {4},
pages = {983-991},
keywords = {assisted migration, climate change, conservation physiology, ecological niche, global warming, Laelia, orchid, temperature, tissue culture},
pubstate = {published},
tppubtype = {article}
}
Gudiño, W.; Márquez-Guzmán, J.; de la Barrera, E.
Structural implications for nectar secretion by floral nectaries of three columnar cacti Journal Article
In: Maejo International Journal of Science and Technology, vol. 9, no. 2, pp. 156-164, 2015.
Abstract | Links | BibTeX | Tags: flower, morphology, nectar, nectary, Polaskia, reproductive ecophysiology, Stenocereus
@article{Gudiño2015,
title = {Structural implications for nectar secretion by floral nectaries of three columnar cacti},
author = {W. Gudiño and J. Márquez-Guzmán and E. de la Barrera },
url = {http://agro.mx/wp-content/uploads/2015/06/30-MIJST.pdf
http://www.mijst.mju.ac.th/vol9/156-164.pdf
},
year = {2015},
date = {2015-06-06},
journal = {Maejo International Journal of Science and Technology},
volume = {9},
number = {2},
pages = {156-164},
abstract = {Floral nectaries are essential for plant reproduction. Their position and shape are
important because these factors determine the amount of nectar secreted and therefore the
pollinators that are attracted. The main objective of this study is to determine the position,
shape and macromorphology of floral nectaries for three columnar cacti, namely Polaskia
chende, P. chichipe and Stenocereus quevedonis. By means of light microscopy, scanning
electron microscopy and histochemical tests, the floral nectar-secreting structures were
investigated. Different secreting structures were found for the three species, with S.
quevedonis having the largest nectar secreting area consisting of stomates located at the base
of the stem filaments (1.9 mm2
). The nectar secretory pores of P. chichipe measured 0.93
mm2
, while the cuticular fissures of P. chende measured 0.8 mm2
. For the case of these three
species, the surface available for nectar secretion appears to determine the volume of nectar
secretion. The relationships between nectarial chamber size, total nectar volume secreted and
size of secreting structure found for the three species suggest that the surface area available is
the central influential variable that determines the volume of secreted nectar.},
keywords = {flower, morphology, nectar, nectary, Polaskia, reproductive ecophysiology, Stenocereus},
pubstate = {published},
tppubtype = {article}
}
Floral nectaries are essential for plant reproduction. Their position and shape are
important because these factors determine the amount of nectar secreted and therefore the
pollinators that are attracted. The main objective of this study is to determine the position,
shape and macromorphology of floral nectaries for three columnar cacti, namely Polaskia
chende, P. chichipe and Stenocereus quevedonis. By means of light microscopy, scanning
electron microscopy and histochemical tests, the floral nectar-secreting structures were
investigated. Different secreting structures were found for the three species, with S.
quevedonis having the largest nectar secreting area consisting of stomates located at the base
of the stem filaments (1.9 mm2
). The nectar secretory pores of P. chichipe measured 0.93
mm2
, while the cuticular fissures of P. chende measured 0.8 mm2
. For the case of these three
species, the surface available for nectar secretion appears to determine the volume of nectar
secretion. The relationships between nectarial chamber size, total nectar volume secreted and
size of secreting structure found for the three species suggest that the surface area available is
the central influential variable that determines the volume of secreted nectar.
important because these factors determine the amount of nectar secreted and therefore the
pollinators that are attracted. The main objective of this study is to determine the position,
shape and macromorphology of floral nectaries for three columnar cacti, namely Polaskia
chende, P. chichipe and Stenocereus quevedonis. By means of light microscopy, scanning
electron microscopy and histochemical tests, the floral nectar-secreting structures were
investigated. Different secreting structures were found for the three species, with S.
quevedonis having the largest nectar secreting area consisting of stomates located at the base
of the stem filaments (1.9 mm2
). The nectar secretory pores of P. chichipe measured 0.93
mm2
, while the cuticular fissures of P. chende measured 0.8 mm2
. For the case of these three
species, the surface available for nectar secretion appears to determine the volume of nectar
secretion. The relationships between nectarial chamber size, total nectar volume secreted and
size of secreting structure found for the three species suggest that the surface area available is
the central influential variable that determines the volume of secreted nectar.
2014
Gudiño, W.; de la Barrera, E.
Fenología reproductiva y tolerancia a temperaturas altas en Stenocereus queretaroensis Journal Article
In: Polibotánica, vol. 37, pp. 63-78, 2014.
Links | BibTeX | Tags: cactus, flower, nectar, temperature
@article{Gudiño2014,
title = {Fenología reproductiva y tolerancia a temperaturas altas en Stenocereus queretaroensis},
author = {W. Gudiño and E. de la Barrera },
url = {http://www.herbario.encb.ipn.mx/pb/esp/num37/tema4esp.htm},
year = {2014},
date = {2014-08-01},
journal = {Polibotánica},
volume = {37},
pages = {63-78},
keywords = {cactus, flower, nectar, temperature},
pubstate = {published},
tppubtype = {article}
}
2011
Gudiño, W.; Casas, A.; Valiente-Banuet, A.; Orozco-Martínez, R.; de la Barrera, E.
In: Journal of the Professional Association for Cactus Development, vol. 13, pp. 88-101, 2011.
Links | BibTeX | Tags: anthesis, cactus, climate, climate change, drought, energy balance, light, microenvironment, nectar flower, photosynthesis, Polaskia, Tehuacán, temperature
@article{Gudiño2011,
title = {Climate and microenvironmental parameters affecting anthesis and nectar secretion for Polaskia chende and P. chichipe, endemic columnar cacti from the Tehuacán Valley, Puebla},
author = {W. Gudiño and A. Casas and A. Valiente-Banuet and R. Orozco-Martínez and E. de la Barrera},
url = {http://www.jpacd.org/?modulo=JS&ID=14},
year = {2011},
date = {2011-02-02},
journal = {Journal of the Professional Association for Cactus Development},
volume = {13},
pages = {88-101},
keywords = {anthesis, cactus, climate, climate change, drought, energy balance, light, microenvironment, nectar flower, photosynthesis, Polaskia, Tehuacán, temperature},
pubstate = {published},
tppubtype = {article}
}