Effect of ethephon stimulation on natural rubber latex properties; new insight into ethephon stimulation

Attanayake, AP; Karunanayake, L.; Nilmini, A. H. R. L

doi:10.4038/jnsfsr.v46i2.8418

Cited by 6 publications

(5 citation statements)

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“…A tapping system and ethylene stimulation are the main tools for obtaining latex production in rubber plantations. However, this study showed that only four of 38 analyzed papers reported modification and evaluation of the suitability of the tapping system (Padjung et al, 2020;Pereira et al, 2018;Purwaningrum et al, 2019;Rukkhun et al, 2021 and five studies on ethylene stimulation (Attanayake et al, 2018;Long et al, 2018;Purwaningrum et al, 2019;Yunta & Dede, 2019;and Budiasih et al, 2020) Although much research has been published in these two fields, most of them were in journals unrecognized by Scopus. This suggests that research on these topics requires additional data such as LD and molecular analysis for a better explanation of the effect of tapping and stimulation.…”

Section: Discussionmentioning

confidence: 84%

“…The overlay map indicated that papers published in 2018 -2020 were directed to yield optimization and cost efficiency through tapping mechanization (Figure 3). The yield optimization was conducted through a tapping system and ethephon stimulation modifications supported by latex diagnosis (Attanayake et al, 2018;Yunta & Dede, 2019). In this period, studies on semi-automatic and automatic tapping Tendencia de investigación en la cosecha de látex del árbol del caucho (Hevea brasiliensis Muell.…”

Section: Current Research On Latex Harvesting Practicesmentioning

confidence: 99%

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Research trend in latex harvesting of rubber tree (Hevea brasiliensis Muell. Arg.) based on bibliographic analysis

Junaidi¹

2022

PJA

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The rubber plant (Hevea brasiliensis Muell. Arg.) is the main natural rubber-producing species. Researches on rubber has been carried out for more than a century. Researchers and academics should stay up to date with the current scientific issues including latex harvesting in H. brasiliensis Muell. Arg. This article presents a bibliometric analysis of scientific literature indexed by Scopus and published from 2018 to 2022. The literature was categorized into three sub-topics i.e., latex harvesting techniques (38 papers), physiological mechanisms (41 papers), and oxidative stress induced by latex harvesting practices (18 papers). Metadata validation was performed using Mendeley reference management software and bibliometric analysis was carried out using VOSviewer bibliometric network visualization software. The results on the latex harvesting technique showed that most of the articles were related to the development of automatic tapping machines. This indicates a trend that latex harvesting techniques are likely shifting from manual tapping to fully automated methods using machines and robots. In terms of physiological mechanisms related to latex production, the mechanism of rubber biosynthesis and ethylene response at the genomic, transcriptomic, and proteomic levels predominated the finding. Research on oxidative stress induced by tapping mainly focuses on the effects of mechanical wounding and ethylene stimulation, while research on antioxidants is still limited. In the past five years, biotechnology and molecular analysis are the main tools to study physiological mechanisms and oxidative stress. This can be a consideration for scientists and research institutions to develop laboratories and human resources to be able to conduct molecular-based research.

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Section: Discussionmentioning

confidence: 84%

Section: Current Research On Latex Harvesting Practicesmentioning

confidence: 99%

Research trend in latex harvesting of rubber tree (Hevea brasiliensis Muell. Arg.) based on bibliographic analysis

Junaidi¹

2022

PJA

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“…Stimulation-based low-intensity harvesting (LIH) systems are accepted worldwide as an agronomic tool to overcome the high cost of production, worker scarcity, and low economic lifespan of trees in rubber plantation industries [37]. Discoloration due to ethephon stimulation has been reported [34]; however, there is no evidence for the effect of ethephon concentration on the color of crepe rubber.…”

Section: Effect Of Ethephon Stimulation On Polyphenols Contentmentioning

confidence: 99%

Discoloration Mechanisms of Natural Rubber and Its Control

Fang

Heping

et al. 2022

Polymers

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Color is an important indicator for evaluating the quality of natural rubber (NR). Light-colored standard rubbers are widely used in high-grade products and have high economic value. This paper first introduces the history and test standards of the standard light-colored rubber. The origin of color deepening in NR processing, color substances, and its biosynthetic pathway are reviewed. Then, the discoloration mechanism of NR is studied from the perspectives of enzymatic browning (caused by polyphenol oxidase and polyphenols) and non-enzymatic browning (including Maillard reaction and lipid oxidation). Finally, the strategies to control the discoloration of NR will be described.

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“…Al respecto, An et al (2016) informan que la estimulación con etefón aumenta el rendimiento del látex tan pronto como se realiza su aplicación, el cual generalmente alcanza su máximo un tiempo después (7 días). Los estudios realizados por Attanayake et al ( 2018), donde se probaron diferentes concentraciones de etefón, señalan que los valores del CST en tratamientos estimulados disminuyeron significativamente, pasando de un 46 % sin estimulación a un 34 % cuando la concentración del estimulante fue del 5 %. Sin embargo, otros autores no han evidenciado respuestas significativas ante la aplicación del estimulante, tal como ocurrió en el estudio de Sainoi et al (2017), quienes probaron distintas frecuencias de aplicación de estimulante en plantas de caucho del clon PB261 y obtuvieron CST entre 52 y 55 %.…”

Section: Frecuencia Estimulaciónunclassified

Estimulación de árboles de caucho bajo diferentes frecuencias de sangría en el Noroeste de Colombia

et al. 2022

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Las plantaciones de caucho natural del Bajo Cauca antioqueño requieren una alta intensidad de sangría. Esto genera un mayor costo de la mano de obra y sobreexplotación, razón por la que se evaluaron parámetros fisiológicos y de producción en árboles de caucho del clon FX3864, los cuales fueron sometidos a distintas frecuencias de sangría y estimulación química en el Nordeste de Antioquia, Colombia. Se comparó la producción de látex y el contenido de sacarosa, fósforo inorgánico, tioles y sólidos totales en plantas estimuladas con etefón al 2.5 % y sometidas a tres frecuencias de sangría (cada dos, tres y cuatro días). La mayor producción de látex se alcanzó en árboles estimulados y sangrados cada cuatro días (170.99 mL d-1 por árbol), sin indicios de sobreexplotación para esta frecuencia. La estimulación y la disminución de la intensidad de sangría del árbol de caucho aumentan el rendimiento sin alteraciones metabólicas significativas.

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Effect of ethephon stimulation on natural rubber latex properties; new insight into ethephon stimulation

Cited by 6 publications

References 0 publications

Research trend in latex harvesting of rubber tree (Hevea brasiliensis Muell. Arg.) based on bibliographic analysis

Research trend in latex harvesting of rubber tree (Hevea brasiliensis Muell. Arg.) based on bibliographic analysis

Discoloration Mechanisms of Natural Rubber and Its Control

Estimulación de árboles de caucho bajo diferentes frecuencias de sangría en el Noroeste de Colombia

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