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International Journal of Applied Agricultural & Horticultural Sciences
  • 28 March, 2024
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Frequency : Bimonthly
Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
E-ISSN : 2582-4198
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Vol. 8 (4) : July-August 2017 issue
Green Farming Vol. 8 (4) : 935-939 ; July-August, 2017
Efficacy of fungicides and biocontrol agents against Sclerotium rolfsii Sacc. causing collar rot of chilli
B.B. PURANE1*, A.D. PATIL2, R.M. PAWAR3 and D.M. SAWANT4
Bharati Vidyapeeth’s Loknete Mohanrao Kadam, College of Agriculture, Sonsal - Hingangaon, Tal. Kadegaon - 415 304, Dist. Sangli (Maharashtra)
Designation :  
1,2,3Asstt. Professor *(balasahebpurane@gmail.com), 4Principal
Subject : Plant Pathology, Nematology and Virology, Mushroom Cultivation
Paper No. : P-5612
Total Pages : 5
Received : 29 July 2016
Revised accepted : 09 March 2017
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Citation :

B.B. PURANE, A.D. PATIL, R.M. PAWAR and D.M. SAWANT. 2017. Efficacy of fungicides and biocontrol agents against Sclerotium rolfsii Sacc. causing collar rot of chilli. Green Farming  Vol. 8 (4) : 935-939 ; July-August, 2017

ABSTRACT
The efficacy of eight fungicides and 3 biocontrol agents alone and in combination was assayed in vitro against Sclerotium rolfsii causing collar rot of chilli. The application of biocontrol agents viz., Tricoderma viride, T. harzianum, T. hamatum alone and in combination of two or three and fungicides alone and in combination were evaluated under in vitro and nursery condition. Amongst eight fungicides and three biocontrol agents evaluated alone and in combination under in vitro condition, carbendazim (0.1%) + mancozeb (0.25), mancozeb (0.25), propiconazole (0.05%), Tricoderma viride + T. harzianum + T. hamatum, T. viride + T. harzianum were found effective in inhibiting growth of mycelium and of sclerotial mycelium. Among the 14 modules tested for seed treatments and in nursery conditions, the fungicidal combinations of carbendazim + mancozeb and all the three biocontrol agents in combination was found most effective in recording maximum germination and lowest disease incidence under nursery conditions. Further studies conducted under field condition by giving seed treatment and soil drench with two more effective fungicidal treatments and three Tricoderma species alone and in combinations showed lowest seedling mortality and highest yield of green chillies by the seed treatment and soil application with carbendazim + mancozeb and T.viride + T. harzianum + T. hamatum.
Key words :
Biocontrol agents, Chilli, Collar rot, Fungicides, IDM, Sclerotium rolfsii, Seed treatment, Tricoderma.