A comparative life cycle assessment of flood and drip irrigation for guayule rubber production using experimental field data

Eranki, Pragnya L.; El-Shikha, Diaa M; Hunsaker, Douglas J.; Bronson, K. F.; Landis, Amy E.

doi:10.1016/j.indcrop.2017.01.020

Cited by 38 publications

(20 citation statements)

References 18 publications

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“…Unlike H. brasiliensis and T. kok‐saghyz , which produce rubber particles in latex of laticifers, P. argentatum rubber particles are contained within bark parenchyma cells requiring mechanical extraction to produce latex or solvent extraction to produce rubber (Cornish and Schloman, ). NR yield and the overall production system need improvement before P. argentatum can be commercially competitive in mainstream markets (Eranki et al ., ; Soratana et al ., ). Also, although this is a desert species, P. argentatum crops require 1000–2200 mm of total water applied (irrigation plus rainfall) for high NR and biomass yields (Bucks et al ., ,b; Foster and Coffelt, ; Hunsaker and Elshikha, ).…”

Section: Alternative Natural Rubber Cropsmentioning

confidence: 97%

“…Also, although this is a desert species, P. argentatum crops require 1000–2200 mm of total water applied (irrigation plus rainfall) for high NR and biomass yields (Bucks et al ., ,b; Foster and Coffelt, ; Hunsaker and Elshikha, ). The agronomic, technical and economic feasibility of the P. argentatum commodity chain has been assessed in Europe, under the EU‐PEARLS project (van Loo et al ., ; Palu et al ., ; Sfeir et al ., , ; Snoeck et al ., , ), and in the United States (Eranki et al ., ; Soratana et al ., ). Improved germplasm availability, through molecular and conventional breeding efforts, remains essential (Veatch et al ., ).…”

Section: Alternative Natural Rubber Cropsmentioning

confidence: 97%

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Natural rubber biosynthesis in plants, the rubber transferase complex, and metabolic engineering progress and prospects

Cherian

Ryu

Cornish

2019

Plant Biotechnology Journal

128

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Summary Natural rubber (NR) is a nonfungible and valuable biopolymer, used to manufacture ~50 000 rubber products, including tires and medical gloves. Current production of NR is derived entirely from the para rubber tree (Hevea brasiliensis). The increasing demand for NR, coupled with limitations and vulnerability of H. brasiliensis production systems, has induced increasing interest among scientists and companies in potential alternative NR crops. Genetic/metabolic pathway engineering approaches, to generate NR‐enriched genotypes of alternative NR plants, are of great importance. However, although our knowledge of rubber biochemistry has significantly advanced, our current understanding of NR biosynthesis, the biosynthetic machinery and the molecular mechanisms involved remains incomplete. Two spatially separated metabolic pathways provide precursors for NR biosynthesis in plants and their genes and enzymes/complexes are quite well understood. In contrast, understanding of the proteins and genes involved in the final step(s)—the synthesis of the high molecular weight rubber polymer itself—is only now beginning to emerge. In this review, we provide a critical evaluation of recent research developments in NR biosynthesis, in vitro reconstitution, and the genetic and metabolic pathway engineering advances intended to improve NR content in plants, including H. brasiliensis, two other prospective alternative rubber crops, namely the rubber dandelion and guayule, and model species, such as lettuce. We describe a new model of the rubber transferase complex, which integrates these developments. In addition, we highlight the current challenges in NR biosynthesis research and future perspectives on metabolic pathway engineering of NR to speed alternative rubber crop commercial development.

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Section: Alternative Natural Rubber Cropsmentioning

confidence: 97%

Section: Alternative Natural Rubber Cropsmentioning

confidence: 97%

Natural rubber biosynthesis in plants, the rubber transferase complex, and metabolic engineering progress and prospects

Cherian

Ryu

Cornish

2019

Plant Biotechnology Journal

128

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“…Although some irrigation systems (ie. flood and drip irrigation) have been assessed through LCA methodology (Yesenia, 2009;Guiso et al, 2015;Eranki et al, 2017), no LCA or carbon footprint or water footprint evaluations have been found up to now of any electronic device helping to reduce water consumption in irrigation.…”

Section: Introductionmentioning

confidence: 99%

Eco-innovation in garden irrigation tools and carbon footprint assessment

Yuli

Puig

Fuentes³

et al. 2018

Int. J. Environ. Sci. Technol.

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This article describes the eco-innovative characteristics implemented in electronic devices for irrigation with smart-gardening solutions, such as internet connection for weather forecast and sensors of soil moisture contents, as well as a database with different plants necessities. The main function of these products is to collect and analyse the information related to plants needs, thus reducing water and fertiliser consumption. In addition to quantify the environmental impact of savings in these two resource flows (40% water and 20% fertilizers savings) compared with conventional irrigation systems, an ISO 14067 compliant life cycle based Carbon Footprint evaluation has been performed to quantify environmental impact of the product itself. The main methodological issue is finding a means on how to proceed when the main environmental benefit of the product under study is, in fact, the service it provides to other systems and when this service cannot be included directly in the Please cite this article as:

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“…The irrigation strategies for these crops can either be 'high' or 'low' depending on the crop plant being cultivated, season or soil profile [6,15,20,21]. High irrigation strategies primarily refer to flood irrigation (largely water inefficient), whereas low water types include subsurface drip irrigation, sprinkler irrigation, localized irrigation, and lateral move irrigation (highly water efficient) [22,23]. Currently, flood irrigation is the main practice used in Australia for delivering consistent large volumes of water to maintain a moist soil environment that propagates crop growth [24].…”

Section: Introductionmentioning

confidence: 99%

Reduction in Trace Element Mediated Oxidative Stress towards Cropped Plants via Beneficial Microbes in Irrigated Cropping Systems: A Review

2018

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Summer crops grown in Australia, including rice, cotton, and sugar cane, require high volumes of water, which is applied using irrigation systems. Yields from these crops are influenced by abiotic stressors. Fluctuations in the abiotic stressors, including soil pH and trace element availability, can increase levels of reactive oxygen species (ROS) in plants leading to increased oxidative stress and subsequent reduced crop growth and yield. One potential way of reducing plant ROS production and levels in these systems is through inoculation of these crops with beneficial microbes. The ability of beneficial microbes to enhance plant growth is well characterized, and it is also clear that many of them produce antioxidant enzymes. Presented in this review are the potential modes of action for microbes to reduce abiotic stress in cropped systems.

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A comparative life cycle assessment of flood and drip irrigation for guayule rubber production using experimental field data

Cited by 38 publications

References 18 publications

Natural rubber biosynthesis in plants, the rubber transferase complex, and metabolic engineering progress and prospects

Natural rubber biosynthesis in plants, the rubber transferase complex, and metabolic engineering progress and prospects

Eco-innovation in garden irrigation tools and carbon footprint assessment

Reduction in Trace Element Mediated Oxidative Stress towards Cropped Plants via Beneficial Microbes in Irrigated Cropping Systems: A Review

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