applications of vetiver in western africa workshop ppt/kuw-ppt05.pdf · approach and best practices...
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APPLICATIONS OFVETIVER IN WESTERN
AFRICA:How does it apply to the
Gulf States?
KUWAIT FOUNDATIONFOR THE ADVANCEMENT OF SCIENCES
Kuwait City, March 7, 2006Dr. Criss Juliard
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Region underconsideration
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Three aspects of vetiverin the region
Local (Africa) variety: V. nigritana
Introduction of V. zizanioides
Dissemination: approach and Best Practices
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1. Local (Africa) variety:V. nigritana
Found in wetlands and wadisMultiple uses/multiple names purify drinking water medicinal properties land demarcation considered to have spiritual/mystical properties Cattle will feed on its leaves handicraft
Not known for soil erosion
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Found in wetlands andwadis
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Used in drinking waterand for medicinal
purposes
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Roots indrinkingwater
- Disinfects - good taste - nice odor - eliminates
pathogens
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Planted as “markers” todemarcate land boundaries– Helps reduce land disputes since it is
difficult to uproot; referred to as “Jema”plant in Mali
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In intensive agriculture;demarcates small plots
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Its leaves are eaten bycattle (as a last resort)
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Near Timbuktu(Mali)
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Leaves mixed in adobeconstruction blocs to
reduce cracking
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In spite of different uses,there has been little
research on V. nigritana:its medicinal qualitiesits water purification capabilitiesits nutritional value as animal feedperformance in soil erosion/soilregeneration. Why?
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Soil erosion field trialsinitially show weakness ofV.nigritana
After 8 months, a V. nigritana hedge trapped 12cm of sand, yet no sign of adaptive root
growth
12cm
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It seems that V. nigritanadoes not have ability to
grow roots on its leaf stem•This in comparisonto V. Zizanioides,which grows newroots on its leaf stemwhen it traps erodedsoil
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Present status of V.nigritana:
Roots collected in the wild; overharvestedDug, dried and sold mostly to purifydrinking water and for medicinal purposesVery little effort to multiply or propagatePlant’s survival is threatened in the region
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2. Introduction of V.zizanioides
The big picture:Last 30 years, Africa region undergoing majorchanges: Intense pressure on land Drought Deforestation
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These changes have ledto:
Loss of arable land Reduced agricultural productivity Constraints to development and low food
security
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Enter World Bank andNational Science Foundation,
and The Vetiver Network1990’s: Studies on V. zizanioides uses andperformance
Conclusion: In tropical and arid zones, V. zizanioides hedges
could solve loss of arable land and improve soilmoisture retention, lead to better food security
Past 7 years, impressive new applicationsand uses of vetiver beyond its soil erosionproperties
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Root ComparisonV.zizanioides & V. nigritana
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In Western Africa, alandmark research
conducted in Nigeria*V. zizanioides planted in hedges: Trapped 98% of soil Reduced run-off 130% Crop yield increased
Set the stage for expanded application ofVetiver in the region
*Babalola, O. 1999, University of Ibadan
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Since 2000
New interest in research and applicationof the Vetiver SystemParticularly countries bordering Saharadesert; Senegal, Mali and Burkina Faso;Attempts made to establish nationalvetiver dissemination programs Senegal, first country
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3. DISSEMINATION: approach and best practices
3.1. Approach: Use business sector in collaboration with
public institutions and research centers Establish demonstration sites/installations Promote sustainable quantities of plant
material – private nurseries Localize the Information about Vetiver Put in place a broad communication
strategy
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DISSEMINATION (CON’T)
3. 2. Best Practices Create diversified “core group;” hold regular
meetings Involve big-picture and detail people; people who
are busy! Use a LEAD organization; independent, access to
resources, credible, results oriented. Organize information days and events Develop “Action Plan” Identify private businesses that can use vetiver,
invest in it and use as demonstration sites Create information networks and partnerships
among key people and organizations
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Applying thedissemination approach
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Demonstration site in Senegal:Initial private contract was with acement factory for a mine access road
Note drainage culvert
Weakspots
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Same site after rains
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Same road, same “static”construction but protected
with V. zizanioides
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Events and communications:Demonstrate vetiver plant
Tiller planted in a1 _ meter box(sand soil and
manure)
Planted by themeter
Leaves used forthatched kiosk
in a hotel
Plants innursery
bags
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In agriculture, wind andpest protection
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Cultivate food crops insand by the sea (30
meters from water line)
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Demonstration site (Mali):New Irrigation canal and
access road to sugarplantation
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Initial single hedgeplanting (May)
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Same canal and accessroad (August 2004)
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Demonstration/testingvetiver at municipal watertreatment plant (Dakar, Senegal)
Raw wastewater water for
gardenplots
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Disinfectionand survivalof vetiver
when remainsubmerged inwaste water
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Cleaning polluted watersite, vetiver raft (Senegal)
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Community wastewateroverflows into squares
of Vetiver (Senegal)
Wastewater
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Retaining steep slopeunder dry conditions
(Dakar, Senegal)
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Erosion Niger River (Mali). Treeroots are unable to protect the soil
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Same river bankprotected with vetiver
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Stabilization along coastCap Skirring (Senegal)
Photo: Ndongo Fall DIEYE
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Senegal – beachfront
protected and unprotected lands
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Small well in desert by thecoast (brackish water)protected by vetiver
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Coastal sand erosionand wind protection
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Phosphate mine 6 kmconveyer belt protection
(Senegal)
Photo: Ibrahima Diaw
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Provide quantities of plantmaterial: small farm levelmultiplication (Burkina Faso)
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Localize information,and reach communities
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Events: “Vetiver Day” atthe community level
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SUMMARY
Dissemination is a key factor inpromoting Vetiver SystemA traditional use/knowledge of the plantis not necessaryNeed a plan, an independent“locomotive” and include a broadspectrum of partners particularlybusinessesMust be flexible, adaptive, innovative
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Does Vetiver exist andgrow in the Gulf?
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Vetiver and Paulowniatrees in Dubai
Vetiver worked, but it was too hot for the Paulownia
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Choukrane