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2014•Unpublished venueRequires access

Invitro Evaluation of Fungicides Against Sclerotium Rolfsii Sacc Causing Stem Rot of Groundnut

K.C. Deepthi

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Abstract

Stem rot caused my Sclerotium rolfsii sacc is one of the most important disease effecting groundnut crops all over world and in the Andhra Pradesh. A total of 40 antagonists were isolated from soil rhizosphere and root endophytes of the groundnut crop. When these isolates are subjected to in vitro studies and hence GRE-9 and GRB-4 has shown 100% inhibition of the mycelial growth against Sclerotium rolfsii. The efficacy of six fungicides viz., Carbendazim, Hexaconazole, Propiconazole, Thiophenate Me- thyl and COC and Mancozeb. When these fungicides were tested @ 0.1%, 0.2% and resulted that Mancozeb & propiconazole were found 100% effective in checking the growth of the pathogen while carbendazim was not effective against pathogen.

About this research paper

What this paper is about

Stem rot caused my Sclerotium rolfsii sacc is one of the most important disease effecting groundnut crops all over world and in the Andhra Pradesh. A total of 40 antagonists were isolated from soil rhizosphere and root endophytes of the groundnut crop. When these isolates are subjected to in vitro studies and hence GRE-9 and GRB-4 has shown 100% inhibition of the mycelial growth against Sclerotium rolfsii. The efficacy of six fungicides viz., Carbendazim, Hexaconazole, Propiconazole, Thiophenate Me- thyl and COC and Mancozeb. When these fungicides were tested @ 0.1%, 0.2% and resulted that Mancozeb & propiconazole were found 100% effective in checking the growth of the pathogen while carbendazim was not effective against pathogen.

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Available abstract

Stem rot caused my Sclerotium rolfsii sacc is one of the most important disease effecting groundnut crops all over world and in the Andhra Pradesh. A total of 40 antagonists were isolated from soil rhizosphere and root endophytes of the groundnut crop. When these isolates are subjected to in vitro studies and hence GRE-9 and GRB-4 has shown 100% inhibition of the mycelial growth against Sclerotium rolfsii. The efficacy of six fungicides viz., Carbendazim, Hexaconazole, Propiconazole, Thiophenate Me- thyl and COC and Mancozeb. When these fungicides were tested @ 0.1%, 0.2% and resulted that Mancozeb & propiconazole were found 100% effective in checking the growth of the pathogen while carbendazim was not effective against pathogen.

Key concepts: Propiconazole, Sclerotium, Hexaconazole, Mancozeb, Carbendazim, Fungicide, Stem rot, Biology

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