Vol. 1, Issue 5, Part A (2015)

Abstract
The existing health situation of jackfruit seedling of nursery diseases of jackfruit species in the country is in a stage to be upgraded for successful fruit production to meet the national demand. Experiments were carried out during the period of July, 2012-October, 2014 to study the status of seedling diseases of jackfruit in different major growing areas of Bangladesh. Important plant pathogen Phyllosticta artocarpina and Pseudomonas sp. were detected and identified. The incidence and severity of leaf spot and leaf blight of jackfruit seedling were differed location to location and significant variations were observed. The maximum incidence and severity of the leaf spot disease observed in Dhaka and Gazipur district in month of October. The minimum incidence and severity of the leaf spot disease observed in Barisal district in month of January. Again the maximum incidence and severity of leaf blight disease is observed in Dhaka and Gazipur district in the month of April. Similarly the minimum incidence and severity of leaf blight disease is observed in Khagrachari district in the month of October.