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Pakistan Journal of Biological Sciences
  Year: 2000 | Volume: 3 | Issue: 5 | Page No.: 791-794
DOI: 10.3923/pjbs.2000.791.794
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An Integrated Approach to Control Anthracnose of Guava (Psidium guajava)

T.H. Ansari, T. Yoshida and M.B Meah

The experiments were conducted to explore the possibility of integration of various approaches for control of guava anthracnose during fruiting seasons, 1992-93. The organic manures cowdung at 10 kg/tree, Mustard oil cake (MOC) (ghani), MOC (mill), Sesame oil cake (SOC) at 2 kg/tree and fertilizers urea, Tripple Super Phosphate (TSP), Muriate of Potash (MP), ZnSO4, Gypsum at 0.3, 0.3, 0.35, 0.005 and 0.01 kg/tree respectively were applied separately and in six combinations. In another experiment tilt, rovral, Mn, B and Zn at 1000, 500 and 2000 ppm respectively were sprayed separately for three times at 15 days interval starting from early fruit stage. All the sprayed plants received a recommended basal dose of NPK before start of spraying schedule. Disease severity (% fruit infection and % fruit area diseased) was recorded at 15 days interval for continuous 4 times starting 15 days after treatment. No disease developed for the treatment of cowdung, MOC (mill), MP, ZnSO4, Cowdung+MOC (mill), K+ZnSO4, NPK+tilt spray and NPK+Zn spray. Very slight infections were observed for rovral spray (0.08%), Mn spray (0.08%), NPK+ZnSO4+gypsum (0.18%), PK+ZnSO4 and MOC (ghani) (1.8%). TSP, cowdung+MOC (ghani) were less effective but urea, gypsum, cowdung+SOC, and SOC were ineffective. Results were very promising from the point of environmentally friendly control of guava fruit anthracnose.
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  •    Histopathological Study of Infection Process of Colletotrichum gloeosporioides Penz and Sacc. on Mangifera indica L.
How to cite this article:

T.H. Ansari, T. Yoshida and M.B Meah, 2000. An Integrated Approach to Control Anthracnose of Guava (Psidium guajava). Pakistan Journal of Biological Sciences, 3: 791-794.

DOI: 10.3923/pjbs.2000.791.794






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