Research strategies for the improvement of cactuspear (Opuntia ficus-indica) fruit quality and production

Inglese, Paolo; Barbera, Giuseppe; Mantia, Tommaso La

doi:10.1016/s0140-1963(95)80018-2

Cited by 48 publications

(47 citation statements)

References 25 publications

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“…As Inglese et al (1995) have stated that fruit pulp percentages of 55-60% are required for export market, research comparing irrigation in different phenological stages of fruit development would seem to be an important priority.…”

Section: Discussionmentioning

confidence: 99%

A comparison of the fruit parameters of 12 Opuntia clones grown in Argentina and the United States

Felker

Soulier

Leguizamón

et al. 2002

Journal of Arid Environments

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Section: Discussionmentioning

confidence: 99%

A comparison of the fruit parameters of 12 Opuntia clones grown in Argentina and the United States

Felker

Soulier

Leguizamón

et al. 2002

Journal of Arid Environments

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“…In Europe, Opuntia spp. have been used for fruit consumption, livestock foraging, fencing, as ornamentals and for the production of a red dye that was obtained from the infesting cochineal insect Dactylopius coccus (Ellenberg, 1989;Inglese et al, 1995). The two study species were Opuntia maxima that present an average height of 3 m and O. stricta that does not attain more than one meter height (Castroviejo et al, 1990).…”

Section: Study Speciesmentioning

confidence: 99%

Association between Opuntia species invasion and changes in land‐cover in the Mediterranean region

Vilà

Burriel

Pino

et al. 2003

Global Change Biology

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In Mediterranean regions, biological invasions pose a major threat to the conservation of native species and the integrity of ecosystems. In addition, changes in land-cover are a widespread phenomenon in Mediterranean regions, where an increase in urban areas and major changes from agricultural abandonment to shrub encroachment and afforestation are occurring. However, the link between biological invasions and changes in land-cover has scarcely been analyzed. We conducted a regional survey of the distribution of the two alien prickly-pear cacti Opuntia maxima and O. stricta in Cap de Creus (Catalonia, Spain) and related patterns of invasion to spatially explicit data on land-cover/change from 1973 to 1993 to test the hypotheses that the two Opuntia species invade areas that have experienced large land-cover transformations. We found that Opuntia invasion is particularly high in shrublands and woodlands located near urban areas. O. maxima are over-represented in the shrublands and O. stricta in the woodlands that were former crops. Crop coverage has dropped by 71% in this 20-year period. This study highlights the role of past land-cover in understanding the present distribution of plant invasions.

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“…Esto se debe a que se encuentran a concentraciones por encima de los límites de detección, por ejemplo el Fe y el Cu. El Li es detectado con buena señal gracias a su sencilla configuración electrónica, con la emisión de una o dos líneas espectrales (Inglese, Barbera andLa Mantia 1995, Carceres et al 2001). …”

Section: Resultsunclassified

Análisis de plasmas inducidos por láser con excitación multipulso para el proceso de ablación de areolas de Tuna

Flores

Ponce

Rodríguez

et al. 2014

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Análisis de plasmas inducidos por láser con excitación multipulso para el proceso de ablación de areolas de TunaLaser-induced breakdown spectroscopy analysis with multi-pulse excitation for ablation process of tuna areolas seguimiento en tiempo real de un proceso de ablación láser, incluso para muestras de composición compleja. Para el monitoreo de un proceso industrial, esta herramienta sería más adecuada, si se cuenta con una calibración del equipo y un protocolo particular definido. En el trabajo, se ejemplifica esta posibilidad para el caso de la ablación láser de areolas de Tuna (fruto de el Opuntia ficus-indica).Método: Se realiza el análisis LIBS de muestras de tuna, tanto en las areolas como en la corteza.Para la excitación del plasma se emplea un láser de Nd:YAG en régimen de Q:Switch con tren de pulsos. Con el objeto de asegurar el reconocimiento de las líneas en los espectros LIBS, se realizaron análisis en patrones de composición conocida, estableciéndose un protocolo para la interpretación de los espectros.Resultados: Se logró una clara lectura de la línea de H ubicada en 656.2 nm. Se estableció un protocolo para la interpretación de los espectros, que permitió la identificación de 49 picos característicos. Finalmente, se determina la composición para la corteza y la areola y se lleva a cabo una comparación cualitativa entre éstas.Discusión: Se muestra que la excitación láser en forma de tren de pulsos, entendido este régimen como modalidad particular del Q:Switch, permite la determinación eficiente de elementos, con una adecuada relación señal-ruido. Por otra parte, que es posible determinar diferencias composicionales evidentes entre corteza y la areola, lo cual permite monitorear un proceso de ablación de areolas con láser de manera simple.Palabras claves: Opuntia, plasma, láser, LIBS. Recepción: 16-02-10Aceptación: 04-03-10 Method:The LIBS analysis of tuna samples takes place, both in the areola and in the cortex. For the plasma excitation we uses a Nd: YAG laser with special Q:Switch scheme: The pulse train emission regime. In order to guarantee the lines recognition in the LIBS spectra, before experiments widh samples, we takes the spectrum of well known composition standarts, establishing a protocol for the interpretation of spectra.Results: A clear reading for the H line located at 656.2 nm was obtained. A simple protocol was established for the spectra interpretation, which allowed the identification of 49 characteristic peaks. Finally, the composition to the cortex and the areola were determined and carried out a qualitative comparison between them. Discussion or Conclusion:The results shows that the laser excitation in pulse train form, understood as a particular form of Q: Switch regime, provides an intense plasma emission and efficient elements determination, with adequate signal to noise ratio. Moreover, it is possible to identify compositional differences between crust and areola, which can permits to track the laser ablation of areolas process in a simple way.

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Research strategies for the improvement of cactuspear (Opuntia ficus-indica) fruit quality and production

Cited by 48 publications

References 25 publications

A comparison of the fruit parameters of 12 Opuntia clones grown in Argentina and the United States

A comparison of the fruit parameters of 12 Opuntia clones grown in Argentina and the United States

Association between Opuntia species invasion and changes in land‐cover in the Mediterranean region

Análisis de plasmas inducidos por láser con excitación multipulso para el proceso de ablación de areolas de Tuna

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