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First Report Of Hog-Plum (Spondias Pinnata) Leaf Spot Disease, Kunal Mandal
First Report Of Hog-Plum (Spondias Pinnata) Leaf Spot Disease, Kunal Mandal
Kunal Mandal
Hog–plum is a tree species with edible fruits. The plant is naturally distributed in the tropical areas of the Indian subcontinent. Our effort to introduce it in the semi– arid conditions of western India failed as the plants developed severe shot–hole type leaf spot symptoms. Association of a fungus with the disease was detected and its pathogenicity was established. The pathogen was identified to the genus level (Colletotrichum) based on the morphological and molecular markers.
Phenotypic, Pathogenic, Molecular And Phylogenetic Comparisons Of Bacteria Causing Aloe Rot From Three Countries, Yogeshwar Kumar, Jatindra Nath Samanta, Kunal Mandal, Narendra A. Gajbhiye
Phenotypic, Pathogenic, Molecular And Phylogenetic Comparisons Of Bacteria Causing Aloe Rot From Three Countries, Yogeshwar Kumar, Jatindra Nath Samanta, Kunal Mandal, Narendra A. Gajbhiye
Kunal Mandal
Bacterial soft rot disease of Aloe caused by heterogeneous genus Erwinia was reported from different parts of the world. In the recent past the genus underwent major taxonomic modifications. In the present study, four Aloe pathogenic bacterial strains isolated from India, The Netherlands and Yugoslavia have been compared. Different cultural, biochemical, physiological and pathological characters and protein/lipid profiles indicated that the strains belonged to two different genera, Pectobacterium and Dickeya. Species specific amplification of pel gene sequences also supported this. Phylogenetic analysis of rRNA gene (rDNA) sequence placed these Dickeya strains close to D. dieffenbachiae and D. zeae. On the …