The environmental and economic feasibility of alternative crops in arid areas: considering mesquite in Baja California, Mexico

Stanton, Julie V.; Olson, Dan; Brock, J. H.; Gordon, Rebecca

doi:10.1006/jare.2000.0729

Cited by 8 publications

(3 citation statements)

References 23 publications

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“…It is of great economic importance to the inhabitants in this region as it is a source of food, forage, fuel, construction material, and even medicine (Maldonado-Aguirre and de la Garza 2000). Furthermore, this species has great ecological value because it helps to control erosion and to improve soil fertility (Stanton et al 2001). One of the most important aspects of P. laevigata, which provides it with an added value, is that it produces a gum that has similar chemical composition (Orozco-Villafuerte et al 2003) and physicochemical properties as those exhibited by gum arabic, which is considered as a benchmark emulsifying agent in the food and other industries (Garti and Reichmann, 1993;VernonCarter et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Clonal propagation of mesquite tree (Prosopis laevigata Humb. & Bonpl. ex Willd. M.C. Johnston). I. Via cotyledonary nodes

Buendía-González

Orozco-Villafuerte

Cruz-Sosa

et al. 2007

In Vitro Cell.Dev.Biol.-Plant

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Section: Introductionmentioning

confidence: 99%

Clonal propagation of mesquite tree (Prosopis laevigata Humb. & Bonpl. ex Willd. M.C. Johnston). I. Via cotyledonary nodes

Buendía-González

Orozco-Villafuerte

Cruz-Sosa

et al. 2007

In Vitro Cell.Dev.Biol.-Plant

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“…It is an economically valued timber tree used for agricultural implements and fuel wood, while the leaves and seeds are used for fodder (Felker 1981). This species has great ecological value because it helps to control erosion and improve soil fertility (Stanton et al 2001). Recently it has been identified as a chromium, cadmium, lead, and nickel accumulator in vitro conditions, highlighting its potential for phytoremediation purposes, due to its ability to uptake and accumulate large amounts of these heavy metals in the shoots (5,461 mg Cr kg -1 , 8,176 mg Cd kg -1 , 27,300 mg Pb kg -1 , and 2,582 mg Ni kg -1 ) (Buendía-González et al 2010a, b).…”

Section: Introductionmentioning

confidence: 99%

Somatic embryogenesis of the heavy metal accumulator Prosopis laevigata

Buendía-González

Estrada-Zúñiga

Orozco-Villafuerte

et al. 2011

Plant Cell Tiss Organ Cult

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Somatic embryogenesis and whole plant regeneration was achieved in callus cultures derived from immature zygotic embryos of Prosopis laevigata (Humb. & Bonpl. ex Willd.) M.C. Johnst., recently identified as chromium (Cr), cadmium (Cd), lead (Pb) and nickel (Ni) accumulator. Embryogenic calli were induced on Murashige and Skoog (MS) medium added with a mixture of organic components plus N-6 benzyladenine (BA) (6.62 lM) and 2,4-dichlorophenoxyacetic acid (2,4-D) (2.26 lM) or thidiazuron (4.54-9.08 lM) and indole-3-acetic acid (1.42 lM). Embryogenic calli transferred onto half-strength MS medium without plant growth regulators developed globular embryos, of which 20% matured when treated with 3.75% (w/v) polyethylene glycol (PEG), and of these 50% fully differentiated into plantlet embryo. Regenerated plants were successfully acclimatized (90%), while in vitro seedlings transferred to MS medium containing 0.5 mM Cd, Cr, Ni or Pb, exhibited high heavy metals accumulation (627 mg Cr kg -1 , 5,688 mg Cd kg -1 , 1,148 mg Ni kg -1 , and 3,037 mg Pb kg -1 dry weight) and efficient roots to shoots translocation (42-73%).

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“…This native desert plant is a salt- and drought-tolerant deciduous, large crowned and deep rooted bush or tree with the ability to establish symbiosis with nitrogen-fixing bacteria and to form AMF associations. Mesquite has been widely valued in the desert regions of northwest Mexico and the United States southwest for its use as fuel wood and in the manufacture of hardwood products and also for use in habitat restoration for eco-tourism (Stanton et al, 2001). …”

Section: Introductionmentioning

confidence: 99%

Effect of arbuscular mycorrhizal fungi on plant biomass and the rhizosphere microbial community structure of mesquite grown in acidic lead/zinc mine tailings

Solís-Dominguez

Valentín-Vargas

Chorover

et al. 2011

Science of The Total Environment

108

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Mine tailings in arid and semi-arid environments are barren of vegetation and subject to eolian dispersion and water erosion. Revegetation is a cost-effective strategy to reduce erosion processes and has wide public acceptance. A major cost of revegetation is the addition of amendments, such as compost, to allow plant establishment. In this paper we explore whether arbuscular mycorrhizal fungi (AMF) can help support plant growth in tailings at a reduced compost concentration. A greenhouse experiment was performed to determine the effects of three AMF inocula on biomass, shoot accumulation of heavy metals, and changes in the rhizosphere microbial community structure of the native plant Prosopis juliflora (mesquite). Plants were grown in an acidic lead/zinc mine tailings amended with 10% (w/w) compost amendment, which is slightly sub-optimal for plant growth in these tailings. After two months, AMF-inoculated plants showed increased dry biomass and root length (p < 0.05) and effective AMF colonization compared to controls grown in uninoculated compost-amended tailings. Mesquite shoot tissue lead and zinc concentrations did not exceed domestic animal toxicity limits regardless of whether AMF inoculation was used. The rhizosphere microbial community structure was assessed using denaturing gradient gel electrophoresis (DGGE) profiles of the small subunit RNA gene for bacteria and fungi. Canonical correspondence analysis (CCA) of DGGE profiles showed that the rhizosphere fungal community structure at the end of the experiment was significantly different from the community structure in the tailings, compost, and AMF inocula prior to planting. Further, CCA showed that AMF inoculation significantly influenced the development of both the fungal and bacterial rhizosphere community structures after two months. The changes observed in the rhizosphere microbial community structure may be either a direct effect of the AMF inocula, caused by changes in plant physiology induced by AMF, or a combination of both mechanisms.

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The environmental and economic feasibility of alternative crops in arid areas: considering mesquite in Baja California, Mexico

Cited by 8 publications

References 23 publications

Clonal propagation of mesquite tree (Prosopis laevigata Humb. & Bonpl. ex Willd. M.C. Johnston). I. Via cotyledonary nodes

Clonal propagation of mesquite tree (Prosopis laevigata Humb. & Bonpl. ex Willd. M.C. Johnston). I. Via cotyledonary nodes

Somatic embryogenesis of the heavy metal accumulator Prosopis laevigata

Effect of arbuscular mycorrhizal fungi on plant biomass and the rhizosphere microbial community structure of mesquite grown in acidic lead/zinc mine tailings

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