International Journal of Plant Protection

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Development of Antifungal Formulations and their Evaluation against Root Rot Disease of Mulberry


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1 Central Sericultural Research and Training Institute, Mysore (Karnataka), India
     

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Mulberry (Morus sp.) cultivated throughout India for rearing of silkworm (Bombyx mori L.). Root rot caused by a group of fungi is a severe threat for mulberry (Morus spp.) leaf production, especially in southern states of India due to large scale mortality and enormous crop loss. Fungi such as Fusarium solani, Fusarium oxysporum, Rhizoctonia bataticola and Botryodiplodia theobromae are frequently isolated from the infected ischolar_mains. Few control measures recommended could not sustain due to inconsistent results. In this perspective, studies were conducted to develop a broad spectrum formulation to contain the disease. Several plant products, synthetic fungicides and chemicals were screened for antifungal activities in vitro in solid and broth media using poisoned food technique. Five formulations were made using selected antifungal components and tested against ischolar_main rot disease under artificial simulation. All the formulations significantly (P<0.01) reduced wilting and rotting compared with untreated control as well as plants treated existing control measure. Highest control of wilting (88.20%) and rotting (88.05%) was showed by formulation F-1, followed by F-2 and F-4 compared with untreated control. The highly effective formulation (F-1) was further tested in the hotspot areas of Karnataka showed revival of plants with range of 67-86 per cent. This eco-friendly formulation could be used for control of ischolar_main rot disease of mulberry.

Keywords

Antifungal Formulations, Field Evaluation, Mulberry, Root Rot Disease.
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  • Development of Antifungal Formulations and their Evaluation against Root Rot Disease of Mulberry

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Authors

P. M. Pratheesh Kumar
Central Sericultural Research and Training Institute, Mysore (Karnataka), India

Abstract


Mulberry (Morus sp.) cultivated throughout India for rearing of silkworm (Bombyx mori L.). Root rot caused by a group of fungi is a severe threat for mulberry (Morus spp.) leaf production, especially in southern states of India due to large scale mortality and enormous crop loss. Fungi such as Fusarium solani, Fusarium oxysporum, Rhizoctonia bataticola and Botryodiplodia theobromae are frequently isolated from the infected ischolar_mains. Few control measures recommended could not sustain due to inconsistent results. In this perspective, studies were conducted to develop a broad spectrum formulation to contain the disease. Several plant products, synthetic fungicides and chemicals were screened for antifungal activities in vitro in solid and broth media using poisoned food technique. Five formulations were made using selected antifungal components and tested against ischolar_main rot disease under artificial simulation. All the formulations significantly (P<0.01) reduced wilting and rotting compared with untreated control as well as plants treated existing control measure. Highest control of wilting (88.20%) and rotting (88.05%) was showed by formulation F-1, followed by F-2 and F-4 compared with untreated control. The highly effective formulation (F-1) was further tested in the hotspot areas of Karnataka showed revival of plants with range of 67-86 per cent. This eco-friendly formulation could be used for control of ischolar_main rot disease of mulberry.

Keywords


Antifungal Formulations, Field Evaluation, Mulberry, Root Rot Disease.

References