Sustainable Management of Land Use Change and ...€¦ · Examples of minor crops Staple food Tef...
Transcript of Sustainable Management of Land Use Change and ...€¦ · Examples of minor crops Staple food Tef...
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Sustainable Management of Land Use Change and Agrobiodiversity in SE Asia
Agrobiodiversity: Blank, niche or promise?
Thomas H HilgerThomas H. Hilger
Department of Plant Production and Agroecology in the Tropics and Subtropics S b it Pl t P d ti i th T i d S bt i (380 )Subunit: Plant Production in the Tropics and Subtropics (380a)
International DAAD-Alumni Summer School on Agrobiodiversity Hanoi, Viet Nam, July 12-23, 2010
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Why conserving biodiversity and plant genetic resources?
Ethical responsibilityEthical valueIndirect economical values (Provision of ecosystems services)- protection of watersheds- stabilisation of slopes- improvement of soils- moderation of climate- habitats of wild faunaDirect economical values - food supply- gene bank for natural products and breeding - income generation, diversification- potential for future use in agriculture and medicine
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Conservation of plant genetic resources
Ex situgene banks (seed, field, ti lt )
In situReserves and natural parks
tissue culture)botanical gardens
away from natural habitats
on-farm conservationrehabilitation of natural populations and ecosystemsaway from natural habitats,
managed by humanspreserves segments of diversity from a wide range of
p p yin centres of diversity, on farmers’ fieldscan be used at all biologicaldiversity from a wide range of
ecosystemsstarted with collections by
can be used at all biological levels (genetic diversity, species, ecosystem)
Vavilov in the 1930s.Today ~1320 gene banks in 131 countries
used for forest conservation; sites valued for their wildlife and ecosystems
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Ex situ conservation in gene banks
Quinoa, canihua, amaranth and lupinecollections from thecollections from the Andes
(Fotos: Kroschel)
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(Fotos: Hilger)
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Ex situ conservation by tissue culture (e.g. Musa spp.)
In situ conservationin centres of diversity
on farmer fields(e g maize and quinoa in the(e.g. maize and quinoa in the
Andes)
(Fotos: Kroschel)
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What are minor crops?
Synonyms: under utilised or neglected cropsOnly few staple crops produce the majority of the foodOnly few staple crops produce the majority of the food supply, but the contribution of minor crops should not be underestimated They are often adapted to various marginal growing conditions (e.g. highlands, arid areas)
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Uses
Minor crops are often: staples at a national or regional levelstaples at a national or regional level.They contribute to food supply in certain periods.They are important for a nutritionally well-balanced diet.y p yThey are used as beverages, stimulants, fibres and dyes.
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Examples of minor crops
Staple foodTef (Eragrostis tef)Ensete (Ensete ventricosum)
Fibre plantsHenequen (Sisal fourcroydes)Curauá (Ananas lucidus)Ensete (Ensete ventricosum)
Mashua (Tropaeolumtuberosum)Peach palm (Bactris gasipaes)
Curauá (Ananas lucidus)
Oil plantsPhysic nut (Jatropha curcas)Peach palm (Bactris gasipaes)
StimulantsQat (Catha edulis)
y ( p )Buriti (Mauritia flexuosa)
Dye producing plants( )Betel nut (Areca catechu)Guaraná (Paullinia cupana)
S l t
Urucúm (Bixa orellana)Assaí palm (Euterpe edulis)
Medicinal plantsSugar plantsSugar palm (Arenga pinnata)Katemfe (Thaumatocccus
Medicinal plantsSarsaparillia (Smilax chiriquensis)Artemisia annua(
daniellii)
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Versatility of plants
Assai palm - Euterpe oleracea
Leaves: Roofing, fibre, cellusose, fodder, manure, shelter
Palm hearts: Food and fodder
Fruits: Beverage, manure, alcohol, medicine (diarrhoea)
F it b h bFruit bunch: manure, broom
Stem: construction, cellulose, fuel wood, insolating
Roots: medicine (vermicide)( )
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Assaí or Para palm – Euterpe edulis, Euterpe oleraceae
Amazon basinjuicedyepalm hearteconomic value and potential high
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Urucúm, lipstick tree - Bixa orellana (Bixaceae)
originates from S- and C-AmericaEast Africa, India, distribution worldwideworldwideSmall shrub or tree with red fruits, ornamental and hedge shrub30-40 seeds , 4-8 mm long, testacontains the dyes Bixin and NorbixinDye content of seed: 3,4 - 5,3%Indigeneous use of pigments for skin protectionskin protectionAnnatto dye is prepared by stirring the seeds in water and is used to colour foodcolour foodCosmetics
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Bixa orellanaBixa orellana
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Peach palm (Pejibaye) – Bactris gasipaes (Arecaceae)
Amazon basin, cultivated from S-Mexico to Bolivia, important food plant in Costa Rica Panamaplant in Costa Rica, Panama, Colombia, Ecuadorheight up to 30 m, one or several stems un-branched comose crownstems, un-branched, comose crown with 3.5 m long leavesmature fruit shining yellow, orange, red or multi-coloured stone fruitred or multi coloured stone fruit, very nutritive palm heart (Palmito), eaten raw or as saladas saladleaves for thatching straw, woodhard and elastic (construction)generative and vegetativegenerative and vegetativepropagation
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Peach palm – Bactris gasipaes
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Medicinal plants - Exploitation
(Fotos: Van Wyk et al Medicinal plants of South Afrika)
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Medicinal plants - Domestication
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Medicinal plants – Potential (Source: Terborgh, 1991, modified)
Traditional medicine Clinical medicineInflammation 12%
Skin diseases15%
Gastroenteritis
Gastroenteritis2%
Cancer 4%
Cancer 1%
GynaecologicalGynaecological disorder/
obstetrics 14%
Skin diseases 1%
Gastroenteritis15%
y gdisorder/obstetrics 7%
Heart & circulation 2%
Heart & circulation 10%
N
Nervoussystem29%
Inflammation 7%
Others 10%
I f ti 12%
Nervoussystem10%
29%
Poisening of kidney, &
Poisening of kidney, blood & immune
Others18%
Infections9%
Infections12%blood & immune system 11%
system 11%
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A. annua - annual wormwood,sweet wormwood, sweet annie, qīnghāo
Asteraceae
Asia and eastern EuropeAsia and eastern Europewide spread in temperate regionsNative to northern America, marketed to limited extentWell known in traditional Chinese medicine Leaves are used in Europe toLeaves are used in Europe to flavour beverages
Quelle: Simon, et al.. 1990. Artemisia annua L.: A promising aromatic and medicinal plant. p. 522-526. In: J. Janick and J.E. Simon (eds.), Advances in new crops. Timber Press, Portland, OR
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A. annua
BotanyAnnual herbLeaves are aromatic; strong campher like smellSmall light yellow flowersSmall light yellow flowersMain stem up to 2 m high; twigsand leaves are alternateleaves 2.5-5 cm long, fern likefertilization by wind or insectsdi l id 2 36diploid, 2n=36Contains artemisinin and otheralkaloids
Quelle: Simon, et al.. 1990.
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A. annua
Main applicationsMalaria (Chloroquine resistant)Cancer AIDSSkin diseases: antibacterial and fungicideSkin diseases: antibacterial and fungicideBilharziosis, nematodsPsoriasisRheumatismRheumatismGastritisNeuralgia and … ?
Further applicationse. g. Herbicidegessential oils
(Quelle: Simon, et al.. 1990; Klayman 1985; WHO 1981 u.a.)
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Biodiversity and Industrial Production (Panik, 1998)
Fiberssisal (Agava sisalana), henequen (A. fourcroydes) curauá(Ananas lucidus) piteira (Furcraea sp ) buriti (Mauritia(Ananas lucidus), piteira (Furcraea sp.), buriti (Mauritiaflexuosa) and aninga (Montrichardia linifera)
Resinsbreu (Protium spp.), jatoba, jutaicica (Hymenea courbaril)
Oilscopaiba (Copaifera multijuga) andiroba (Carapacopaiba (Copaifera multijuga), andiroba (Carapaguianensis), babaçu (Orbignya sp.), Brazilian nut(Bertholletia excelsa) and buriti (Mauritia flexuosa)
Pigmentsjenipapo (Genipa americana), urucum (Bixa orellana) açai(Euterpe olerceae)( p )
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Natural fibres
mineralPlant(cellulose)
Animal(protein)
silkbast hard wool &
(cellulose) (protein)
plant
tt h l lti t d b t
fibres fibres hairs
fl i l
pfibres
cottonkapok
sheep woolgoat hairangora wool
cultivated silkwild silk
asbestosflaxhempjute
sisalhenequencocos g
lama woolhorse hairother animal hairs
jramiesunn-hemp
Manila hempyucca other animal hairs
kenafhemp yucca
curauá (Kübler, 1998)
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Ananas lucidus - curauá
• eastern Amazon • Bromeliaceae
curauá brancocurauá branco
• Bromeliaceae• versatile plantexcellent fibre quality curauá brancocurauá branco• excellent fibre quality
• cropped by small scale farmersfarmers
• gaining industrial interest since the mid 90ssince the mid 90s
• Herbaceous perennial and resistant plant
curauá roxocurauá roxo
resistant plant
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Substitution of glass fibers by natural fibers
Cost reduction by 10 30%Cost reduction by 10 - 30%
Weight reduction by 10- 30%
Similar technical properties
Common plastic processing technologies are applicableg g
Improvement of recycling
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Use of natural fibers in car manufacturing
Coco nut fibre, cottonCurauá, sisal
Jute, hemp, linenCurauá, sisal
Source: Mercedes Benz do Brasil
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Coconut – fibre processing
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Coconut – fibre processing
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Coconut – fibre processing
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Coconut – fibre processing
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Cars in relation to population in selected countries(Source: http://earthtrends.wri.org)
Country Population % of World Cars per 1000 Country Population(in Mill)
% of World population
Cars per 1000 inhabitants
Germany 82 1 546
Korea 70 1 175
Chile 16 <1 87
USA 296 5 770USA 296 5 770
India 1080 17 13
China 1306 20 8China 1306 20 8
World 6,446 130
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Comodity mports of China (1996-2005)
C— Copper— Iron & steel— Zinc— Aluminium— Oil
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Flows of ethanol in 2000 (thousand tons)(Source: UNCTAD)
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Flows of ethanol in 2004 (thousand tons)(Source: UNCTAD)
Total trade: 3 billion litresTotal production 32 billion litres
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Main flows of palm oil in 2000 (thousand tons)(Source: UNCTAD)
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Main flows of palm oil in 2004 (thousand tons)(Source: UNCTAD)
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Brazil’sBrazil’s currentcurrent fuelfuel matrixmatrixPetrolPetrol Hydroeletric energyHydroeletric energy
43.143.1%% BiomassBiomass27.027.0%%14.014.0%%Wood/Charcoal: Wood/Charcoal: 11.911.9%%
Sugarcane:Sugarcane: 12 612 6%%
6.66.6%%7.57.5%% 1.81.8%%
Sugarcane: Sugarcane: 12.612.6%%
Others: Others: 2.52.5%%
CoalCoalGLPGLP UraniumUranium
Source: MME 2004, modified by Berger and Moraes (2007)
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Brazil’sBrazil’s futurefuture fuelfuel matrixmatrixBrazil sBrazil s futurefuture fuelfuel matrixmatrix
Hydrated ethanol (10,0%)
Gasoline (30,0%)
B100 Biodiesel
(10%)
GLP (10,0%)(30,0%)(10%)
Hydrogen (5,0%)
Di l
Bn Biodiesel
Diesel (10,0%)
(35%)Source: MME 2004, modified by Berger and Moraes (2007)
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Physic nut - Jatropha curcas
EuphorbiaceaeNeotropics: 77 Jatropha sp.p p pCentral America – Mexico to Panama (Münch, 1986) succulent, leaf shedding and latex-containing small tree or large shrub (<5m)seeds and press cake are toxicseeds and press cake are toxic well adapted to arid and semi-arid conditions and lower altitudes (<500m)300-1000 mm of rainfall; 20-28°Cpropagated by seeds and cuttings
ld l l 6 3 00 / h b dyield levels: 64-3500 g/shrub and 200-5000 kg/ha
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Actual and potential uses of Jatropha curcas L.
physic nut planti l• erosion control
• hegderow plant• medicinalmedicinal• plant protection• fuel wood
fruits exocarp
d t tfuel/green manure
• green manureseeds testa
physic nut oil press cakephysic nut oil• soap• fuel
di i l
press cake• manure• (fodder)
• medicinal uses(Heller, 1992; Henning, 1998)
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Acrocomia ssp.
• Native to the Americas: Florida, northernNative to the Americas: Florida, northernMexico – Argentina and Parguay
• A. aculeata, A. sclerocarpa, A. totei, p ,• Indigenious use as food (Gurani) • Human nutrition (oil and flour), animal feed( ),
(entire fruit, pulp), medicinal use (roots)• Industrial uses: oil (since 1850: soap),
cosmetics, activated carbon, construction• Potential for biodiesel
![Page 42: Sustainable Management of Land Use Change and ...€¦ · Examples of minor crops Staple food Tef (Eragrostis tef) Ensete(Ensete ventricosum) Fibre plants Henequen (Sisal fourcroydes)](https://reader034.fdocuments.in/reader034/viewer/2022042200/5ea0a73d23a0493ddd309ad3/html5/thumbnails/42.jpg)
A. totei
![Page 43: Sustainable Management of Land Use Change and ...€¦ · Examples of minor crops Staple food Tef (Eragrostis tef) Ensete(Ensete ventricosum) Fibre plants Henequen (Sisal fourcroydes)](https://reader034.fdocuments.in/reader034/viewer/2022042200/5ea0a73d23a0493ddd309ad3/html5/thumbnails/43.jpg)
A. totei
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A. totei
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Fruits of A. totei
Pulpa oAlmendra o
endospermioPericarpio o p
mesocarpioendospermiocascarilla
Carozo o iexocarpio
Frutos enteros
• Mesocarp 18%• Endocarp 36%• Pulp expeller 25%p p• Kernel expeller 4%