Investigations on mango sudden death syndrome affected plant parts in district Muzaffargarh
2011
Rehman, A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Abbas, T. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Khan, N.A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Mehboob, S. (Plant Pathology Inast., AARI, Faisalabad (Pakistan))
Mango (Magifera indica L.) is an important fruit crop. A survey for disease incidence was recorded in four tehsils of district Muzaffargarh which showed that Kot Addu was the most affected tehsil followed by Ali pur and Jatoi, while least affected was Muzaffargarh. Maximum incidence was recorded on variety Chaunsa, followed by Sindhri, Anwar Ratol and Malda. Chaunsa proved to be the most susceptible amongst four observed commercial varieties, while Malda showed resistance in field observation. The infected plants showed abundant gum secretion, bark splitting,rotting and twig blight. The wide spread fungus Ceratocystis manginecans was isolated in maximum percentage, followed by Lasiodiplodia theobromae. The maximum percentage of these two fungi from all diseased samples suggests that either both of them are responsible for Mango Sudden Death Syndrome. Maximum temperature for colony growth of Ceratocystis manginecans was 25 degree C and best pH was 7. Carbendazim fungicide was found most effective against C. manginecans while Agrofit was the least effective at all concentrations.
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