CHARACTERIZATION OF Sclerotium rolfsii Sacc. INCITING FOOT ROT AND ITS MANAGEMENT
Loading...
Date
2022-12-18
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Foot rot incited by Sclerotium rolfsii Sacc, is a well-known soil born pathogen which is a major production constraint in finger millet under irrigated and high rainfall situations. Occurrence of foot rot incidence ranged from 3,11 to 36.04 per cent in different districts of southern Karnataka. The maximum incidence was recorded in Mandya (36.04%) and minimum was in Chamrajanagara (3.11%). Fifteen foot rot isolates were isolated and morphologically characterised on PDA medium, the mean colony diameter was ranged from 25.0 mm (SrST) to 59.3 mm (SrVcM) and number of sclerotial bodies per plate was varied from 122.41 virulent isolates as S.rolfsii. The host range studies on eight millets, showed that infection was noticed on finger millet, Among different fungicides evaluated under field condition against S.rolfsii, Propiconazole- 25 % EC (1ml/lit) soil drenching to the collar region on 20 DAT reduced disease by 56.21 and 86.87 per cent at tillering and maturity and maturity stage respectively and is the most effective fungicide for management of foot rot in finger millet.
Description
Thesis