Effect of biopriming and integrated management on the incidence of major diseases of sesame (Sesamum indicum L.)
EFFECT OF BIOPRIMING AND INTEGRATED MANAGEMENT ON INCIDENCE OF DISEASES OF SESAME
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Authors
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A SANGEETHA
Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
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K SUBRAHMANIYAN
Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
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A MAHALINGAM
Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
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G GAYATHRY
Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
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D JANAKI
Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
Keywords:
Biopriming, Integrated disease management, Leaf spot, Root rot, SesameAbstract
Field trials were conducted to evaluate the impact of biopriming and integrated disease management (IDM) on disease incidence in sesame during two consecutive kharif seasons of 2020 and 2021 at Regional Research Station, Vridhachalam, Tamil Nadu. The treatments consisted of three modules, viz., Bio-intensive module (M1): Seed treatment with Trichoderma asperellum @ 10 g/kg + furrow application of enriched Trichoderma (2.5 kg Trichoderma asperellum + 100 kg vermicompost) @ 250 kg/ha + spray of Pseudomonas fluorescens @ 10 g/l at 30-35 DAS and wettable sulphur @ 2 g/l at 50-60 DAS; Chemical module (M2):Seed treatment with carbendazim @ 2 g/l + spray of combi-product (Tebuconazole 50% + Trifloxystrobin 25%) @ 0.5 g/l at 30-35 DAS and second spray @ 2 g/l at 50-60 DAS; Adaptive module (M3): Seed treatment with Trichoderma asperellum @ 10 g/kg + furrow application of enriched Trichoderma (2.5 kg Trichoderma asperellum + 100 kg vermicompost) @ 250 kg/ha + spray of combi-product (Tebuconazole 50% + Trifloxysrobin 25%) @ 0.5 g/l at 30-35 DAS and second spray at 50-60 DAS and Control (M4): Untreated check. The results revealed that the adaptive module, M3, was highly effective and recorded significantlythe lowest disease incidence ofroot rot (20.7%),severityof Alternaria (11.6%), phyllody (21.9 PDI) and powdery mildew (18.2 %) with highest seed yield of 632 kg/ha and highest benefit:cost ratio of 2:62. This module can be used for the effective management of major diseases in sesame.
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References
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