Replacement value of Solanum elaeagnifolium for alfalfa hay offered to growing goats

Mellado, M.; García, José Eduardo; Arévalo, José Ramón; Pittroff, W.

doi:10.1016/j.jaridenv.2008.06.009

Cited by 10 publications

(12 citation statements)

References 25 publications

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“…This finding agrees with the results of previous studies in this habitat (Mellado et al, 2003(Mellado et al, , 2004b. Solanum elaeagnifolium, a highly unpalatable forb (Mellado et al, 2008b), was preferred during the dry season (spring) by the goats in the control pasture. This finding indicates that the selectivity shown for this forb was a result of the shortage of forage and was not a consequence of its nutritional quality or changes in its phytochemistry in the spring.…”

Section: Forage Preferencesupporting

confidence: 93%

The food habits of goats on rangelands with different amounts of fourwing saltbush (Atriplex canescens) cover

Mellado

Rodríguez

Lozano

et al. 2012

Journal of Arid Environments

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Section: Forage Preferencesupporting

confidence: 93%

The food habits of goats on rangelands with different amounts of fourwing saltbush (Atriplex canescens) cover

Mellado

Rodríguez

Lozano

et al. 2012

Journal of Arid Environments

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“… decreased forage quality on grazing lands – decreased meat and wool and decreased income for pastoralists (Boyd et al ., ; Mellado et al ., ) decreased crop production from competition – more land needed to maintain normal crop production, increased imports of agricultural produce may be required (Gmira et al ., ) increased cost of water conveyance – greater cost per unit of water delivered (Gmira et al ., ) decreased cropping land area and amenity value of public spaces (Gmira et al ., ) increased forest restoration costs (both rural and urban), impact on understorey vegetation and fauna, decreased carbon sequestration (McCarthy, ; Ganatsas et al ., ) water loss – not specifically known for S. elaeagnifolium , but a plant with a similar rooting structure and depth, Centaurea solstialis , consumes 15–25% of total precipitation (Di Tomaso, ). …”

Section: Opportunity Cost and Need For Early Management Of Solanum Elmentioning

confidence: 99%

“…Buck et al (1960) determined that sheep were less susceptible to S. elaeagnifolium poisoning than cattle, and that goats were highly tolerant. On the other hand, Mellado et al (2004Mellado et al ( , 2008 showed that when goats consumed this invasive alien plant at levels exceeding 25% of the total forage they suffered nutritionally.…”

Section: Impact On Livestockmentioning

confidence: 99%

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Review of the current situation for Solanum elaeagnifolium in the Mediterranean Basin

et al. 2016

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Silverleaf nightshade (Solanum elaeagnifolium, Cav.) is one of the important invasive plant species in Mediterranean Basin countries. Over the last 60 years, this plant has gone from a few accidental introductions to near monospecific populations in many areas of the Mediterranean Basin (in particular Greece and Morocco). Recent findings from Lebanon show that the invasion is ongoing. Solanum elaeagnifolium has a negative impact on crops, causing up to 75% yield loss, as well as an indirect impact by harbouring plant pests and diseases. Solanum elaeagnifolium is toxic to livestock and has a negative affect on the quality of life for humans. Losses of potential resource or revenue caused by its invasion include: decreased forage quality on grazing lands; decreased cropping land and amenity values of public space; increased water loss; increased water conveyancing costs; and increased forest restoration costs. Available control techniques need to be strengthened to reduce the impact of S. elaeagnifolium and prevent its spread. More attention needs to be devoted to biological control, which could provide regional management of this invasive alien plant. Sustainable management of S. elaeagnifolium will require coordination, education and support across the affected countries. Governments must have the means to detect, manage and control S. elaeagnifolium.

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“…The specimen Solanum elaeagnifolium Cav. (Solanaceae), commonly named ''Silverleaf nightshade'' or ''Trompillo'' (Mellado et al, 2008), is a perennial shrub from the southern USA down to Argentina (Boyd et al, 1984). It was reported in Tunisia for the first time by E. Le Floc'h (Guillerm et al, 1990).…”

Section: Introductionmentioning

confidence: 99%

Molluscicidal activity ofSolanum elaeagnifoliumseeds againstGalba truncatulaintermediate host ofFasciola hepatica: Identification ofβ-solamarine

Njeh

Feki

Koubaa

et al. 2015

Pharmaceutical Biology

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Context: The persistence of fascioliasis in many developing countries urges the search for simple, cheap, and effective substances. In this view, plants provide interesting molluscicidal activities thanks to the secondary metabolites they produce. The genus Solanum is known for its potent effect on vector snails. Materials and methods: Solanum elaeagnifolium seeds were powdered and successively extracted using n-hexane, methylene chloride, acetone, and methanol, for 20 h each. After filtration, solvents were evaporated. An acid-base treatment was conducted on seed methanolic extract to isolate total alkaloids and b-solamarine. Total saponins fraction was obtained after successive macerations and evaporations. The molluscicidal activity was evaluated by subjecting snails, in groups of 10, for 48 h to 500 mL of extracts, fractions, and pure product aqueous solutions, each containing amounts, ranging from 1 to 50 mg of plant material in 5 mg increments. Results: The methanolic extract of seeds, b-solamarine isolated for the first time from this plant and total saponins fraction showed very potent activities on snails, giving respective median lethal concentrations (LC 50 ) of 1.18, 0.49, and 0.94 mg/L. Total alkaloids fraction obtained from the methanolic extract was less active giving an LC 50 value of 14.67 mg/L. Discussion and conclusion: This study emphasizes that glycoalkaloids and saponins of Solanum elaeagnifolium are potent molluscicidal agents. Seed methanolic extract, b-solamarine, and total saponins fraction may be used as molluscicides.

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Replacement value of Solanum elaeagnifolium for alfalfa hay offered to growing goats

Cited by 10 publications

References 25 publications

The food habits of goats on rangelands with different amounts of fourwing saltbush (Atriplex canescens) cover

The food habits of goats on rangelands with different amounts of fourwing saltbush (Atriplex canescens) cover

Review of the current situation for Solanum elaeagnifolium in the Mediterranean Basin

Molluscicidal activity ofSolanum elaeagnifoliumseeds againstGalba truncatulaintermediate host ofFasciola hepatica: Identification ofβ-solamarine

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