Crecimiento, producción y calidad de flores en calas (Zantedeschia aethiopica (L.) K. Spreng) expuestas a diferente calidad de luz

Posada, Fánor Casierra; Nieto, Paola J.; Ulrichs, Christian

doi:10.31910/rudca.v15.n1.2012.806

Cited by 3 publications

(2 citation statements)

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“…This species is suitable for use in CWs, for its rapid growth (Figure 2d) and its positive effect on the elimination of some specific pollutants (Table 3), although it is not a typical plant of natural wetlands. Figure 4 shows the biomass produced at the end of the study period, the dry matter obtained for both species showed a ratio of root biomass to aerial biomass of approximately 60:40, similar to that reported for soil cultivation of Z. aethiopica (60/40) [38]. The above indicates that VPS CWs can be a suitable growing system for this type of plant, allowing their use for commercial and/or aesthetic purposes in CW systems.…”

Section: Resultssupporting

confidence: 78%

“…It was found that the leaf areas for Canna hybrids were 475, 1971, and 4128 cm 2 for 2, 4, and 6 months, respectively; while for Zantedeschia aethiopica , these were 112, 861, and 2112 cm 2 , respectively. These values are lower than those reported in agricultural crops of the two species [38]. Similar to the increase in height, the increase of the leaf area with respect to time presented a linear adjustment with a value of R 2 of 0.9892 for Canna hybrids and 0.9795 for Zantedeschia aethiopica .…”

Section: Resultsmentioning

confidence: 52%

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Nitrogen Removal from Domestic Wastewater and the Development of Tropical Ornamental Plants in Partially Saturated Mesocosm-Scale Constructed Wetlands

Nakase

Zurita

Nani

et al. 2019

IJERPH

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Vertical partially saturated (VPS) constructed wetlands (CWs) are a novel wastewater treatment system for which little information is known about its design parameters and performance under tropical climates. The objective of this study is to evaluate the nitrogen removal process from domestic wastewater and the production of tropical ornamental plants (Canna hybrids and Zantedeschia aethiopica) in VPS CWs at a mesocosms scale. Nine VPS CWs, with a free-flow zone of 16 cm and a saturated zone of 16 cm, were used as experimental units. Three units were planted with Canna hybrids., and three, with Zantedeschia aethiopica (one plant per unit); the remaining three units were established as controls without vegetation. They were fed with domestic wastewater intermittently and evaluated for the elimination of COD, N-NH 4 , N-NO 3 , Norg, NT, and PT. The results showed an increase in the removal for some pollutants in the vegetated systems, i.e., N-NH 4 (35%), Norg (16%), TN (25%), and TP (47%) in comparison to the unvegetated systems. While N-NO 3 removal showed better removal in 10% of the systems without vegetation, no significant differences were found (p > 0.05) for COD removal. The aerobic and anaerobic conditions in the VPS CWs favor the elimination of pollutants in the systems, and also the development of the tropical species evaluated in this study; good development was exhibited by a high growth rate and biomass production.

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Section: Resultssupporting

confidence: 78%

Section: Resultsmentioning

confidence: 52%

Nitrogen Removal from Domestic Wastewater and the Development of Tropical Ornamental Plants in Partially Saturated Mesocosm-Scale Constructed Wetlands

Nakase

Zurita

Nani

et al. 2019

IJERPH

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Modificaciones fotomorfogénicas inducidas por la calidad de la luz en plantas cultivadas

Casierra–Posada

Peña-Olmos

2015

Rev. Acad. Colomb. Cienc. Ex. Fis. Nat.

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ResumenLas longitudes de onda importantes en fotobiología son el ultravioleta, la luz visible y la infrarroja. Las longitudes de onda entre 300 y 900 nm son capaces de afectar el crecimiento y el desarrollo de los vegetales. Sin embargo, no solamente la calidad de luz puede influir en los procesos de crecimiento de las plantas, pues otras de sus propiedades, por ejemplo su intensidad y su duración, así como los factores climáticos, también están involucradas. El desarrollo de investigaciones con una sola franja de longitud de onda es muy útil en la identificación del espectro más adecuado para la aplicación en estudio. No obstante, la detección de las influencias de los segmentos de espectro adyacentes en ciertas aplicaciones es difícil debido a que este es continuo, sin márgenes aparentes entre los colores vecinos. El uso de coberturas de colores o filtros fotoselectivos es una técnica agrícola, que si bien no es nueva, aún puede explorarse y estudiarse para esclarecer aspectos relacionados con su uso, como los estímulos lumínicos y la respuesta de las plantas a ellos, con el objetivo de proporcionar al agricultor alternativas reales de manejo en el cultivo y, además, contribuir significativamente al desarrollo del campo de la fisiología vegetal. La investigación enfocada a la influencia de la luz sobre el crecimiento vegetal es extensa, y es necesario discutir sus hallazgos para consolidar su aporte sobre bases objetivas a la hora de hacer modificaciones en el ambiente lumínico como estrategia de manejo en los diversos cultivos.Palabras clave: fotobiología, fotomorfogénesis, crecimiento, color. Photomorphogenic changes induced by the quality of light in crops AbstractThe most relevant wavelengths in photobiology are the ultraviolet, the visible light, and the infrared. Wavelengths between 300 and 900 nm can affect plants growth and development. Nevertheless, not only light quality can influence plant growth processes. Light properties such as its intensity and duration, as well as climatic factors, are also involved. The development of studies using a single wavelength is very useful to identify the most responsive spectrum in the target application. However, detecting the influences of adjacent spectrum segments in certain applications is difficult because the spectrum is continuous, with no apparent margins between neighboring colors. The agricultural technique of colored covering, although not new, can still be explored in order to clarify aspects concerning its use as light stimulus and the response of plants to it, and thus offer to farmers alternatives of crop management, which will also contribute significantly to the study of plant physiology. Research focused on the influence of light on plant growth is wide; however, it is necessary to discuss its findings so as to offer solid evidence if the aim is to introduce modifications in the light environment as a strategy for crop management.Key words: Photobiology, photomorphogenesis, growth, color. Ciencias Naturales Introducción La percepción de la luz pe...

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Calla lily production in enrofloxacin-contaminated soil and manure: An attractive alternative coupling income generation with antimicrobial removal from the environment

Rocha¹,

Kochi²,

Brito³

et al. 2022

Front. Soil Sci.

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Enrofloxacin (Enro) is often detected in soil and animal manure used for crop production and phytotoxic responses have been observed in plants grown under antimicrobial presence. In the present paper, we investigated the effects of the presence of Enro in soils (1.9 mg kg-1) and manure (50.4 mg kg-1) in growth and flower production of calla lily plants (Zantedeschia aethiopica). We also reported the accumulation and distribution of Enro between plant tissues aiming to evaluate the safety of commercializing plants produced under Enro-contaminated conditions. The presence of Enro in soils and manure did not affect plant growth and flower production and did not induce any physiological effects in plants (as evaluated by photosynthetic pigment, hydrogen peroxide concentration, superoxide dismutase and catalase activity in leaves). Plants accumulated Enro mainly in their roots, restraining its translocation to shoots, which contributes to the safety of the commercialization of their flowers. However, when commercialized as pots, the amount of Enro carried by plants is a matter of concern, and therefore, selling pot plants must be avoided. Due to their tolerance and capacity to remove Enro (up to 14.76% of Enro from contaminated soil and/or manure), plants are indicated for phytoremediation programs.

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Crecimiento, producción y calidad de flores en calas (Zantedeschia aethiopica (L.) K. Spreng) expuestas a diferente calidad de luz

Cited by 3 publications

References 6 publications

Nitrogen Removal from Domestic Wastewater and the Development of Tropical Ornamental Plants in Partially Saturated Mesocosm-Scale Constructed Wetlands

Nitrogen Removal from Domestic Wastewater and the Development of Tropical Ornamental Plants in Partially Saturated Mesocosm-Scale Constructed Wetlands

Modificaciones fotomorfogénicas inducidas por la calidad de la luz en plantas cultivadas

Calla lily production in enrofloxacin-contaminated soil and manure: An attractive alternative coupling income generation with antimicrobial removal from the environment

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