tuta absoluta presentation
TRANSCRIPT
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COMBATING TUTA ABSOLUTA IN TOMATOES FOR SMALLHOLDERSStephen OtiuTEL NO. [email protected]
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IS YOUR COUNTY IMPORTANT?Migori 16.4%Bungoma 12.1% Kajiado 8.5% Kericho 6.7%Makueni 5.6% Kirinyaga 4.4% Nakuru 3.6% Kiambu 3.0%
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CONTENT Tuta absoluta
Life cycle Problems
Pheromones Tutrack
How it works Results Costs
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TUTA ABSOLUTA: LIFE CYCLE
Pupae
Caterpillar
Moth
Egg
Moth is only 6mm long.Males live 7 days, females 14 days.
Eggs are only 0.5mm and can be found on underside of leaves or on the stems. A female can lay 260 eggs.
Young larvae are 1mm long and creamy yellow, after time they become greenish or sometimes reddish in colour and up to 7 mm in length. DESTRUCTIVEDuration: 8 to 12 days
Pupae are brown in colour. Pupation takes place in mines, on the leaf surface, or in the soil.Duration: 10 days
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HOSTS (SOLANUM FAMILY)
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TUTA ABSOLUTA DAMAGES STEMS, LEAVES AND FRUITS
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TUTA ABSOLUTA DAMAGES STEMS, LEAVES AND FRUITS
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DAMAGE TO STEMS, LEAVES AND FRUITS
Liriomyza
Tuta absoluta
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TUTA ABSOLUTA DAMAGESSTEMS, LEAVES AND FRUITS
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TUTA ABSOLUTA DAMAGESSTEMS, LEAVES AND FRUITS
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PROBLEMS WITH TUTA ABSOLUTA Causing 100% loss in tomatoes Spreading very fast Caterpillar hides inside leaves away from sprays Develops resistance very fast in hot climates Affecting thousands of farmers Affecting even more consumers as prices are rising
and people are using more and more chemicals
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BEST PRACTICE IS TO TARGET SEVERAL STAGES
Sanitation
Spraying
Mass-trapping
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SEX PHEROMONES
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SEX PHEROMONES1. Female emits pheromones when ready to mate2. Male moth senses and follows pheromones 3. Male and female mate
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TUTRACK WITH DELTA-TRAP
LureTrapSticky surface
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TUTRACK WITH DELTA-TRAP1. Lure emits pheromones2. Male moth senses and follows pheromones 3. Male moth caught on sticky surface
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TUTRACK WITH WATER TRAP1. Lure emits pheromones2. Male moth senses and follows pheromones 3. Male moth drowns in water
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HOW TO USE: Start trapping in nursery When catching more than 3 moths per week
or when you see Tuta absoluta damage: increase to 10 traps per acre (but at least 2 traps even in very small fields/greenhouses)
You can use Tutrack in combination with sprays
Replace lures after 6 to 8 weeks Do not place trap higher than 40cm above
ground
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HOME MADE WATER TRAP
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DELTA TRAP WATER TRAP
Product Supplier Package size Price mL/acre cost/acre Respray (weeks) Cost per weekTutrack + delta trap KBL 1 880 10 8800 6 1465Tracer Dow 250 7000 80 2240 2 1120Coragen DUPONT 30 600 100 2000 2 1000Tutrack + watertrap KBL 1 590 10 5900 6 980Radiant Dow 100 1400 120 1680 2 840Tutrack KBL 1 290 10 2900 6 485
Delta-trap: 490 KES Sticky paper: 50 KES Tutrack lure: 290
KES830
KES
Water trap: 300 KES Soapy water Tutrack lure: 290
KES590
KES
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UNIQUENESS Tutrack lure:
Lowest priced lure per mg in Kenya Only lure specifically tested and selected for
Kenyan market First to start registration against Tuta absoluta;
first to be allowed in agrovets Water-trap
Produced for and with smallholders Lowest priced water-trap