by miguel sanchez bolivian fellow 2015 world forest institute 1 · by miguel sanchez bolivian...
TRANSCRIPT
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Characterization of forest
nurseries in the Pacific
Northwest
by Miguel Sanchez
Bolivian fellow 2015
World Forest Institute
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Bolivia Geographic location
Forests in Bolivia
Project Objectives Description
Application of lessons learned
University of Carmen Pampa
New ideas for test
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BOLIVIA August, 06 1825
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General data 4
• Capital = Sucre city (9,000 f.a.s.l.)
• Seat of government = La Paz city (12,000 f.a.s.l.)
• Population = 10.7 millions (65% Natives)
• Area= 425,000 sq./Miles (TX + CA)
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Authorities and
Government buildings in
La Paz city
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Bolivian Forests6
• Natural forests cover 53 million hectares (130 million acres)
• 300 tree species can be used as timber, fuel, construction wood, pulp and raw material
• This forest is habitat to close to 3,000 vertebrates
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Bolivian forests are concentrated in the
lowlands, and represent 10% of the Amazon
rainforest
Problem: Illegal logging
Forest dwellers are working with government
authorities to fight illegal logging
More than 3,500 families make a living of
commercializing non timber products
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Deforestation rates in Bolivia (2001-2013)8
http://www.cfb.org.bo/noticias/medioambiente/deforestacion-en-bolivia
Lowest= 190 Thousand Acres, 2013
Highest= 710 Thousand Acres, 2008
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Wood classification according to strength and
harvest revenue by hectare (2.7 acres) 9
Source: http://www.arbolivia.org/files/arbolivia_comercializacion_madera.pdf
WOOD
STRENGTHExamples of Species Uses
Revenue
(approx..)
USD
Soft-wood• Aniba perutilis
• Schizolobium parahyba
Plywood, veneer,
doors, boxes, models,
toys, shoe heels
4,100
Intermediate• Centrolobium tomentosum
• Hymenaea courbaril
Flooring, ships
manufacturing,
home construction
30,800
Hard-wood• Apuleia mollaris
• Terminalia oblonga
Furniture, ship
manufacturing, train
tracks
53,500
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PROJECT
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General characterization of forest nurseries in the
Pacific Northwest and the application of lessons
learned at Carmen Pampa University
(La Paz, Bolivia)
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GENERAL OBJECTIVE:11
Learn about forest nursery management practices and
techniques in the Pacific Northwest to apply the lessons to
Carmen Pampa University Nursery in Bolivia.
SPECIFIC OBJECTIVES
1. To describe the soil and water management
2. To learn about control and management of plagues and diseases
3. To understand tree-seed management protocols
4. To identify the process of genetic material selection
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Forest nursery soil-mix components
Pet soil (organic matter)
Clay
Sand
Others (fertilizer, nutshells…)
121. To describe the soil and water
management practices
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Irrigation17
The wells are found at depths
between 150 and 350 ft.
Water quality is high (no heavy
metals or salts)
No water treatment needed prior use for irrigation
Water irrigation regimes vary
depending on the species
In the Pacific Northwest, the nurseries
studied shown the use of well water for
irrigation
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Fertigation18
Liquid fertilizer is diluted in water and
applied through the irrigation system to
achieve higher plant growth rates and
better plant absorption
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2. To learn about control and
management of plagues and diseases
Damping off is a disease that weakens or kills the
seed or seedling and it is caused mostly by
fungus like Fusarium, Pythium, and
Cylindrocarpon
Wet and cool soil conditions allow for fungus
development
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Common disease in seedlings
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Fungal attack symptoms
Growth slow down
Browning of the leaf tips
Brown spots on leaves
Drooping of leaves
Seedling death
Control with Fungicides
Fungicides can be
assimilation by contact or
systemically
Contact fungicides are
applied to the leaves
Systemic fungicides are
applied to the soil
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Leaves start to turn yellow
Colonies of aphids can
be found in small
patches
Biological: Lady bugs
Plant spray with soapy water
(large populations)
Insecticides might also eliminate
beneficial insects, in the nursery,
should be used as last resource
21Plague example: Aphids
Symptoms Control
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3. To understand tree-seed
management protocols22
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4. To identify the process of
genetic material selection
Seed orchard trees are established using a strong root
stock grafted to a scion of the desired clone of the same
species
Grafted material comes from a much older tree, allowing
the grafted plant to be able to seed much sooner
Each clone is tagged and tracked throughout its growth
in the orchard
X-ray techniques are used to identify good seeds for root
stock
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Lesson learned to apply in
Carmen Pampa University
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Carmen Pampa University is located 70 miles
from La Paz city.
Altitude is 5,740 (f.a.s.l.).
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The university nursery propagates tree
and perennial species26
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New ideas for test!
Implement and adapt a water filtration system, prior
irrigation
Set the plant containers above ground
Develop propagation protocols for tree specie of
interest
Test grafting techniques in tropical tree species
Test seed production stimulation techniques in tropical
tree species
Test different soil mixtures (peat soil, clay, sand)
Develop seed storage protocols for tropical tree
species
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How am I going to share
these new knowledge?
• Helping students to develop research to test new ideas learned
• Developing outreach programs with new ideas learned for local tree farmers
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Thank you!!!30
“Quitters never win; and winners never quit” (Vincent Lombardi)