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Pest Management of Horticultural Crops
Pests of Tomato
Helicoverpa armigera
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Collect and destroy the infected fruits and grown up larvae.
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Grow less susceptible genotypes Rupali, Roma, Pusa red plum.
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Grow simultaneously 40 days old American tall marigold and 25 days old tomato
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seedling at 1:10 rows to attract Helicoverpa adults for egg laying.
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Setup pheromone trap with Helilure at 15/ha and change the lure once in 15 days.
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Spray HaNPV at 500 LE/ha along with cotton seed oil 300 g/ha to kill larvae.
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Release Chrysoperla carnea at weekly interval at 50,000 eggs or grubs / ha from 30
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days after planting.
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Six releases of T. chilonis @ 50,000/ha per week coinciding with flowering time and
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based on ETL.
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Spray B. thuringiensis 2 g/lit
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Do not spray insecticides after maturity of fruits.
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Encourage activity of parasitoid Eucelatoria bryani, Campoletes, Chelonus etc.,
2. Leaf miner
3. Spodoptera litura
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Plough the soil to expose and kill the pupae.
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Grow astor along border, irrigation channel as indicator or trap crop.
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Flood the field to drive out hibernating larvae.
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Set up light trap at 1/ha or pheromone trap at 15/ha with pheroclin SL lure.
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Destroy egg masses and grown up larvae.
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Spray SNPV at 250 LE along with teepol 1ml/lit in evening hrs.
4. Whitefly
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Uproot and destroy the diseased leaf curl plants
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Remove alternate weed hosts.
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Use irrigation judiciously.
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Use yellow sticky trap to attract and bill insects.
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Spray FORS 2% / neem oil 0.5% along with teepal 1 ml/lit.
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Encourage activity of parasitoids Eretmocerus mesii and predator coccinellids,
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Brumus and Chrysoperla.
5. Thrips
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Collect and destroy the damaged leaves and twigs and uproot the diseased plants.
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Use yellow sticky traps at 15/ha to attract and kill insects.
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Release first instar larvae of Chrysoperla carnea @ 10,000/ha and encourage
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coccinellid predator.
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