ab -for natural growth - aarhus universitet · seed dormancy . breaking • leftover seed . good as...
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SeedGard
SeedGard AB -For natural growth
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SeedGard
•Cerall•Cedomon
•ThermoSeed – SeedGard
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SeedGard
Gustaf Forsberg
SalesR & D
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SeedGard
The modern solution
Free from chemicals
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SeedGard
• In use on Swedish farms since 2002
• First full-scale system sold and licensed to Svenska Lantmännen for use on cereal seed
• More contracts under negotiation
• Several evaluations have shown very good potential for use on vegetable seed
Commercial status
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SeedGard
• In commercial operation at 15 tons/h
• Effects equivalent to chemicals
• Cost-competitive with chemicals
• Approved by the Swedish Seed Testing and Certification Institute, SUK
• Up-scaled to over 200 tons per day
Facts
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SeedGard
The principle
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SeedGard
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SeedGard
Characteristics
- Outstanding precision- High throughput process- Low cost
competes with chemical treatment- “Pasteurization”
treatment using hot, humid air- Advanced
process control technology- Reliable
highest quality control
SeedGard
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SeedGard
The quality system
SeedGard AB
Information pro-cessing (database,
mathematical models,know-how)
On-farm sampling
Seed treatmentin plant
Certification Delivery
Pre-test atSeed lab.
SeedGard
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SeedGard
Evaluation
+UK
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SeedGard
Evaluation methods
Highly infected seedField tests
- plant emergence- pathogenic symptoms- yield
Covering climatic and geographic variationsLaboratory and greenhouse tests
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SeedGard
Effects
1: Non-cereal crops
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SeedGard
Effects non-cereals, summaryCrop Pathogen Disease control1) Yield effect Kind of testCabbage Alternaria brassicicola II Greenhouse
II FieldXanthomonas campestris III Laboratory
III GreenhouseCarrot Alternaria radicina II Laboratory
Alternaria dauci II -"-Alternaria spp. C+ FieldXanthomonas campestris pv. carotae II Greenhouse
Lamb's lettuce Phoma valerianellae II -"-Onion Botrytis aclada III Laboratory
Stemphylium II -"-Parsley Septoria petroselini C+ C+ FieldSpinach Verticillium spp. II Laboratory
Cladosporium II -"-Stemphylium II -"-Alternaria II -"-Fusarium II -"-
Tomato Pseudomonas syringae pv. tomato III2) GreenhouseXanthomonas campestris pv. vesicatoria
III2) -"-
Pea Ascochyta pisi II LaboratoryBean Colletotrichum lindemuthianum III FieldRed clover Phoma medicaginis var. pinodella C+ C+ -"-Rice Magnaporthe grisea C C -"-
Cochliobolus miyabeanus C C -"-Gibberella fujikuroi C C -"-
I Better than untreated When compared with chemical treatment:II Good effect C Equivalent with chemical treatmentIII Complete eradication C+ Better than chemical treatment1)With no negative effect on germination or emergence2) Very low control infection
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SeedGard
“Seed Treatment for Organic Vegetable Production”
• Evaluations in lab, greenhouse and field 2003-2006
• Evaluated methods:» ThermoSeed
» Chemicals (Thiram and more)
» Hot water
» Electron beam “E-Ventus”
» Various bacteria
» Plant extracts
STOVE project
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SeedGard
Outline of the conclusions:
"Aerated steam* appeared to be the most effective method, but hot water and electron seed treatment may still be similarly effective if they are more optimised".
*ThermoSeed label in the project
STOVE project
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SeedGard
Effects
2: Cereal crops
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SeedGard
Effects in cereals, summary
Crop Pathogen EffectsWheat Tilletia caries (common bunt) + (spring Stagonospora nodorum (leaf and glume blotch) + winter) Ustilago tritici (loose smut) -
Fusarium spp. + Fusarium nivale (snow mold) + Fusarium culmorum +
Barley Drechslera graminea (leaf stripe) + Drechslera teres (net blotch) + Bipolaris sorokiniana + Fusarium spp. + Ustilago nuda (loose smut) -Ustilago hordei (covered smut) +
Oats Drechslera avenae (leaf spot) + Ustilago avenae (loose smut) +
Rice Magnaporthe grisea + Cochliobolus miyabeanus + Gibberella fujikuroi +
SeedGard
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SeedGard
Example: Fusarium spp.
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SeedGard
Method approval
Evaluation by SUK- the Swedish Seed Testing and Certification Institute (part of the Board of Agriculture
ThermoSeed approved- as an equivalently effective alternative to chemical seed treatment
SeedGard
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SeedGard
Yield wheat, 41 field tests 2003-04
100107,8 107,7
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Untreated control ThermoSeed Celest 025 FS, 2 ml/kg
% o
f unt
reat
ed c
ontr
ol
(Fludioxinil 25 g/l)
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SeedGard
Yield barley, 24 field trials 2003-04
100107,9 105,1
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Untreated control ThermoSeed Panoctine Plus 400, 4ml/kg, and Fungazil A,
2 ml/kg
% o
f unt
reat
ed c
ontr
ol
*Imazalil 10 g/l, guazatine 150 g/l**Imazalil 25 g/l
***
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SeedGard
SLU:s seed treatment evaluation Lars Wik, SLU
• Field tests at four locations 2005-07• Comparisons between different products• Wheat and barley
⇒ThermoSeed is in the top
both concerning effect and yield
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SeedGard
Seed Treatment against net blotch in barleyOfficial field trials during 3 years (SLU R11-4010)
9687
97
78 79
42
24
59
9393 96
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2005 2006 2007Year
Red
uctio
n of
prim
ary
field
in
fect
ion
(%)
Fungazil A25
Panoctine Plus 400(not 2006)
Cedomon
ThermoSeed
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SeedGard
Treatment effects in commercial operation 2006-07
•Barley•Wheat•Rye•Triticale
⇒Effects confirmed⇒Farmers very satisfied
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SeedGard
The Lantmännen plant in Skara
SeedGard
Annual production 32 000 tons
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SeedGard
Coolingchamber
Treatmentchamber
SeedGard
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SeedGardSeedGard
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SeedGardSeedGard
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SeedGard
LIFE environment award to ThermoSeed, by the EU Commission:
”Best of the Best”
of the over 100 projects finished during 2005-06
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SeedGard
Lantmännen´s choice:•Create a new focus on seeds•Use the unique technologyadvantages to win market shares
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SeedGard
ThermoSeed benefits
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SeedGard
Powerful and practicalEffects
- equivalent to chemical seed dressing
Broad spectrumConventional farming
- alternative to chemical seed treatment
Organic farming- seed pathogens can now be controlled
No additives– leftover seed has an alternative value
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SeedGard
Economic
ThermoSeed competes with chemicals also by a low treatment cost
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SeedGard
Promoting environment and health
Environmentally friendlyWorking environment improvement
- considerable for farmers and seed industry workers
No risks with treated seeds- groundwater- eco-systems- humans- animals- etc.
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SeedGard
Supporting consumers concern
Environmental awareness increasing among consumers
Mercury treatment experience, the fear remains
Goodwill is gained from reduction of pesticides
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SeedGard
Legislation
Facilitated establishment on new markets - no tests required to prove harmlessness
Lists with risk chemicals are implemented by National/EU authorities
Increased costs for development and use of chemicals due to new legislation policies
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SeedGard
Other advantages
• Seed dormancy breaking
• Leftover seed good as food or feed
• Leftover seed no costs for destruction
• Grain storage insects effective control
• Bulk seed facilitated for low logistics costs
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SeedGard
Conclusion
ThermoSeed
is an attractive alternative to chemical seed treatment
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SeedGard
Next step?
• International expansion on field crop markets
• Now evaluating the potential for horticultural market introduction
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SeedGard
-For natural growth