Pesticide use in Tomato IPM Natural enemies are an extremely important component of integrated pest management of tomato insects and mites. Insecticides.

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Presentation transcript:

Pesticide use in Tomato IPM Natural enemies are an extremely important component of integrated pest management of tomato insects and mites. Insecticides are useful component of IPM programs because of their convenience, simplicity, effectiveness, flexibility and economy. Using selective insecticides to kill the target pest without killing natural enemies helps maximize as well as integrate chemical and biological controls. Nonselective insecticides, can be made more selective by careful application rates, timings and coverage to minimize killing natural enemies. Products that have a short residual effect on natural enemies are favored for IPM programs. Consider both the short-term and long- term effects of an application when selecting an insecticide treatment. Next

Nursery preparation Before sowing, the nursery beds should be drenched with 0.2% Dithane M-45 or treated with Difolaton or captan Treat nursery belt with carbofuran 3G 100g/sq m for nematode management Seed Treatment Treating the seeds with 3g per kg of seeds will prevent the seed born fungal diseases During summer and rainy season, there is a very heavy incidence of damping off. To protect seeds and seedlings, the beds should be treated with 10% formaldehyde. EndPrevious Next

Seedling treatment Before transplanting, seedlings should be treated with insecticides 0.1% nuvacron and Dithane M % Hardening is done by adding 4000ppm sodium chloride or spraying 2000ppm ccc is effective for hardening of seedlings EndPrevious Next

Application of bleaching before planting against bacterial wilt infection in endemic areas Spray ppm streptocycline sulphate on unripe fruits of tomato to control bacterial spot or dipping the seedlings 100 ppm streptocycline sulphate before transplanting. Imidacloprid 17.8 ai/ha or thiamethoxam 25 25g ai/ha or acetamiprid 20 20g ai/ha can be used for managing sucking insect pests such as aphids, jassids, leaf hopper and whitefly. EndPrevious Next

Spraying of Chlorfenapyr 10 g ai/ha or Fipronil 5 g ai/ha for thrips management Friut borers such as Helicoverpa armigera and Spodoptera litura can be managed by applying Emamectin benzoate 5 g a.i/ha or Spinosad 45 a.i/ha or Flubendiamide Propargite will be helpful in the management of mite population in tomato EndPrevious Next

Soil drenching of 4g/l for managing bacterial wilt disease is advocated. Dithane M- 45 2g/l is recommended for to manage fruit rot of tomato Application of ai/ha+1hand weeding 45days after transplanting, or or applied after transplanting are effective to control weeds. EndPrevious Next

Insecticides and their recommended dosage for different insect pest of tomato Sucking pest complex PEST CHEMICAL NAMECOMMERCI AL NAME DOSE ha -1 A.I.FORMULATION Aphids Leafhopper Whitefly Imidacloprid 17.8 SLConfidar 200 SL 25g100ml Thiamethoxam 25 WGActara 25 WG25g100g Aphids Acetamiprid 20 SPPride 20 SP Activa 20 SP 10g50g Whitefly 20g100g Thrips Chlorfenapyr 10 SCIntrepid 10 SC ml Fipronil 5 SCRegent 5 SC 50500ml Tomato fruit borers Fruit borers Emamectin benzoate 5 SGProclaim 5 SG 11g220g Helicoverpa armigera Spinosad 45 SCTracer 45 SC Spintor 45 SC 75g167ml Spodoptera litura Flubendiamide 480SCFame 480 SC 48-60g ml Flubendiamide 20 WDGTakumi 20 WDG g Chlorantraniliprole 20 SCCoragen 20 SC 30-40g ml EndPrevious Next

Yellow mite & red spider mites Chemical Name Commercial Name Dose ha -1 A.I.Formulation Buprofezin 25 SC Applaud 25 SC150g 600ml Fenazaquin 10 EC Magister 10 EC g ml Fenpyroximate 5 SC Sedna 5 SC Mitigate 5 SC 30g600ml Spiromesifen 240SC Oberon 240 SC120g500ml Propargite 570EC Omite 570 EC570g1000ml EndPrevious Next

Natural enemies are an extremely important component of integrated pest management of tomato insects and mites. Insecticides are useful component of IPM programs because of their convenience, simplicity, effectiveness, flexibility and economy. Using selective insecticides to kill the target pest without killing natural enemies helps maximize as well as integrate chemical and biological controls. Nonselective insecticides, can be made more selective by careful application rates, timings and coverage to minimize killing natural enemies. Products that have a short residual effect on natural enemies are favored for IPM programs. Consider both the short-term and long-term effects of an application when selecting an insecticide treatment. Before sowing, the nursery beds should be drenched with 0.2% Dithane M-45 or treated with Difolaton or captan Treat nursery belt with carbofuran 3G 100g/sq m for nematode management Treating the seeds with 3g per kg of seeds will prevent the seed born fungal diseases Summary EndPrevious Next

Application of bleaching before planting against bacterial wilt infection in endemic areas Imidacloprid 17.8 ai/ha or thiamethoxam 25 25g ai/ha or acetamiprid 20 20g ai/ha can be used for managing sucking insect pests such as aphids, jassids, leaf hopper and whitefly. Spraying of Chlorfenapyr 10 g ai/ha or Fipronil 5 g ai/ha for thrips management Friut borers such as Helicoverpa armigera and Spodoptera litura can be managed by applying Emamectin benzoate 5 g a.i/ha or Spinosad 45 a.i/ha or Flubendiamide Propargite will be helpful in the management of mite population in tomato Application of ai/ha+1hand weeding 45days after transplanting, or or applied after transplanting are effective to control weeds EndPrevious Next