Thumbnail Image

University of Agricultural Sciences, Bengaluru

University of Agricultural Sciences Bangalore, a premier institution of agricultural education and research in the country, began as a small agricultural research farm in 1899 on 30 acres of land donated by Her Excellency Maharani Kempa Nanjammanni Vani Vilasa Sannidhiyavaru, the Regent of Mysore and appointed Dr. Lehmann, German Scientist to initiate research on soil crop response with a Laboratory in the Directorate of Agriculture. Later under the initiative of the Dewan of Mysore Sir M. Vishweshwaraiah, the Mysore Agriculture Residential School was established in 1913 at Hebbal which offered Licentiate in Agriculture and later offered a diploma programme in agriculture during 1920. The School was upgraded to Agriculture Collegein 1946 which offered four year degree programs in Agriculture. The Government of Mysore headed by Sri. S. Nijalingappa, the then Chief Minister, established the University of Agricultural Sciences on the pattern of Land Grant College system of USA and the University of Agricultural Sciences Act No. 22 was passed in Legislative Assembly in 1963. Dr. Zakir Hussain, the Vice President of India inaugurated the University on 21st August 1964.

Browse

20131
Reset filters
Subject: Plant Pathology × Author: D, Rekha × End date: 2017 × Start date: 2012 × Thesis Type: Ph.D ×
Reset filters

Search Results

Now showing 1 - 1 of 1
  • Thumbnail Image
    ThesisItemOpen Access
    Survey, Etiology and management of Ginger (Zingiber officinale Rosc.) Rhizome rot complex
    (University of Agricultural Sciences, Bengaluru, 2013-08-20) D, Rekha; Nagaraju
    Rhizome rot complex was the major constraint of ginger production. In malnad districts incidence was ranged from 3.5 per cent at N.R. pura to 56.00 per cent at Anavatti. The maximum incidence of 28.16 per cent was recorded in Uttara Kannada and least in Hassan (15.20%). Banavasi and Korlakotta of Uttara Kannada, Sevalal nagar, Hirekasvi, Rippanpet of Shimoga and Makod village of Chikkmagalore district were found to be endemic. Soil physicochemical parameters like pH, OC and N-content had significant negative correlation with rhizome rot incidence. Ralstonia solanacearum was the most predominant pathogen in malnad districts followed by F. oxysporum, P. aphanidermatum and S. rolfsii. Both individually and/or in combination of pathogens could cause rhizome rot complex. Foliar yellowing, stunted growth, wilting and drying of whole plant were the common symptoms observed irrespective of the pathogens involved. R. solanacearum was capable of inducing the symptoms at the earliest at all the stages of crop growth but F. oxysporum took longer time. P. aphanidermatum was potential pathogen at early stages of crop growth. F. oxysporum alone could induce disease in 25 days and S. rolfsii in 20 days after of inoculation in all the stages of ginger growth. Combined inoculation of pathogens caused more severe disease symptoms. Planting in March significantly showed less disease incidence (11.66 %) with higher yield (37.50 kg/plot). Humnabad local variety was moderately resistant to disease. Rhizomes treatment with 0.2% Curzate M8 + Streptocycline 0.05% for 30 min + Soil application of neem cake @ 5q/ha + Soil application of Pseudomonas fluorescens and Trichoderma viride @ 10 Kg mixed with 25t FYM /ha+One drench with 0.2% Curzate M8 immediately at the onset of the disease was found effective in reducing disease incidence (4.56 %) with increasing germination, tillers, plant height, yield and B: C ratio (15.61).