தோட்டக்கலைப் பயிர்களின் பூச்சி மேலாண்மை

Pests of Tomato

Helicoverpa armigera

• Collect and destroy the infected fruits and grown up larvae.
• Grow less susceptible genotypes Rupali, Roma, Pusa red plum.
• Grow simultaneously 40 days old American tall marigold and 25 days old tomato
• seedling at 1:10 rows to attract Helicoverpa adults for egg laying.
• Setup pheromone trap with Helilure at 15/ha and change the lure once in 15 days.
• Spray HaNPV at 500 LE/ha along with cotton seed oil 300 g/ha to kill larvae.
• Release Chrysoperla carnea at weekly interval at 50,000 eggs or grubs / ha from 30
• days after planting.
• Six releases of T. chilonis @ 50,000/ha per week coinciding with flowering time and
• based on ETL.
• Spray B. thuringiensis 2 g/lit
• Do not spray insecticides after maturity of fruits.
• Encourage activity of parasitoid Eucelatoria bryani, Campoletes, Chelonus etc.,

2. Leaf miner

• Spray NSKE 3%
• Collect and destroy mined leaves

3. Spodoptera litura

• Plough the soil to expose and kill the pupae.
• Grow astor along border, irrigation channel as indicator or trap crop.
• Flood the field to drive out hibernating larvae.
• Set up light trap at 1/ha or pheromone trap at 15/ha with pheroclin SL lure.
• Destroy egg masses and grown up larvae.
• Spray SNPV at 250 LE along with teepol 1ml/lit in evening hrs.

4. Whitefly

• Uproot and destroy the diseased leaf curl plants
• Remove alternate weed hosts.
• Use  irrigation judiciously.
• Use yellow sticky trap to attract and bill insects.
• Spray FORS 2% / neem oil 0.5% along with teepal 1 ml/lit.
• Encourage activity of parasitoids Eretmocerus mesii and predator coccinellids,
• Brumus and Chrysoperla.

5. Thrips

• Collect and destroy the damaged leaves and twigs and uproot the diseased plants.
• Use yellow sticky traps at 15/ha to attract and kill insects.
• Release first instar larvae of Chrysoperla carnea @ 10,000/ha and encourage
• coccinellid predator.