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Monitoring of emerging new seed borne diseases of significance in ...

Monitoring of emerging new seed borne diseases of significance in ...

D. Seed Entomology

D. Seed Entomology Chairman : Dr. P. K. Borad, HOD, Agrl. Ent. AAU, Anand Convener : Dr. Amit Bera, PI, CRIJAF, Barrackpore Recommendations: 1. Emamectin benzoate 5 SG @ 40.0 mg/kg seed (2 ppm a.i.), Spinosad 45 SC @ 4.4 mg/kg seed (2 ppm a.i.), followed by Flubendiamide 480 SC @ 4.2 mg/kg seed (2 ppm a.i.), Indoxacarb 14.5 SC @ 13.8 mg/kg seed (2 ppm a.i.) and Thiodicarb 75WP @ 2.7 mg/kg seed (2 ppm a.i.) as seed protectant provide effective management of storage insects infesting cereals (wheat, pearl millet, paddy, maize and sorghum) seeds under different agro‐climatic conditions except coastal regions without impairing seed germination for period of 6‐9 months. 2. Emamectin benzoate 5 SG @ 40.0 mg/kg seed (2 ppm a.i.), Spinosad 45 SC @ 4.4 mg/kg seed (2 ppm a.i.), followed by Indoxacarb 14.5 SC @ 13.8 mg/kg seed (2 ppm a.i.), Thiodicarb 75WP @ 2.7 mg/ kg seed (2 ppm a.i.) and Flubendiamide 480 SC @ 4.2 mg/kg seed (2 ppm a.i.) as seed protectant provide effective management of storage insects infesting pulses (pigeon pea, cowpea, green gram, black gram, field pea and chickpea) seeds under different agro‐climatic conditions except coastal regions without impairing seed germination for period of 9‐12 months. 3. Seed treatment with diatomaceous earth @ 5g /kg in combination with desiccant (MgSO 4) @5g/kg seed can provide effective control against insect pests of wheat, paddy, sorghum, pearl millet without affecting seed viability up to one season except in coastal regions. New Experiment 1 : Studies on the effect of insecticidal seed treatment on seed viability during storage under ambient condition. Objectives: To evaluate newer molecules against major storage insect‐pests damaging seeds. Study of the storability of treated seeds. Year of start : 2012 Crop Wheat Maize Pearlmillet Paddy Pigeonpea Cowpea Mungbean Chickpea Black gram Field pea Centre RAU, Durgapura; NDUAT, Faizabad; DSR, Mau TNAU, Coimbatore; UAS, Bangalore JAU, Jamnagar; MPKV, Rahuri OUAT, Bhubaneswar; AAU, Jorhat; NDUAT, Faizabad; ANGRAU, Hyderabad NDUAT, Faizabad; UAS, Raichur UAS, Bangalore RAU, Durgapura; OUA&T, Bhubaneswar; MPKV, Rahuri ANGRAU, Hyderabad; JAU, Jamnagar; UAS, Raichur TNAU, Coimbatore CSAUAT, Kanpur Treatment: A. Chemical 1. Emamectin benzoate (Proclaim 5 SG) @ 2 ppm (40.0 mg/kg seed) 2. Spinosad (Tracer 45 SC) @ 2 ppm (4.4 mg/kg seed) 3. Indoxacarb (Avaunt 14.5 SC) @ 2 ppm (13.8 mg/kg seed) 4. Rynaxypyr (Coragen 20 SC) @2ppm (0.01ml/kg seed) 56 Proceedings 2012‐13

5. Chlorfenapyr (Intrepid 10 EC)@2ppm (0.02ml/kg seed) 6. Novaluron (Rimon 10 EC) @2ppm (0.02ml/kg seed) 7. Novaluron (Rimon 10 EC) @ 5ppm (0.05ml/kg seed 8. Deltamethrin 2. 8 EC @ 1.0 ppm (0.04 ml/kg seed) 9. Untreated control B. Packaging Material: Gunny bag‐lets of 2 kg capacity Replications : 3 Design : CRD Method: One kg of freshly harvested certified seed with very high percentage of germination and low moisture content (

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