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|Authors:||KULKARNI , Y.S.|
|Title:||NEW BACTERIAL DISEASES OF DESMODIUM LAXIFLORUM DC. AND MERREMIA EMARGINATA HALL|
|Publisher:||Mahatma Phule Krishi Vidaypeeth, Rhauri|
|Keywords:||NEW BACTERIAL DISEASES OF DESMODIUM LAXIFLORUM DC. AND MERREMIA EMARGINATA HALL|
|Abstract:||Desmodium laxiflorum DC. belonging to the family Leguminosae was found naturally infected with a bacterial leaf-spot disease on the ghats of Mahabaleshwar and at the foot of Sinhagad Hills (Poona) in October 1971. A short description of Desmodium laxiflorum DC. as given in Cooke's Flora is as follows : Desmodium laxiflorum DC* is an erect shrub 60-150 cm. high with a woody slender stem. Leaves are three foliate. Flowers are in terminal and axillary racemes 15-25 cm. long, usually arranged in distant few-flowered fascicles along a slender rhachis. Standard of the flower is white with blue coloured wings and keel. Pods are 2.5-4.37 em. long, scarcely constricted between seeds. Pods are flat and covered with minute hooked hairs. It flowers in August October. In Marathi it is known as Jangli Ganja. The symptoms of the disease on the leaves are characterised by irregular water-soaked spots measuring 0.5-2.0 mm. in diameter surrounded by a halo. In the case of severe infection the spots coalesce and the infected portion of the leaf becomes chlorotic (Plate I). The diseased spots when cut with a blade in a few drops of water on a slide showed typical bacterial ooze under the microscope (Plate II).|
|Appears in Collections:||Thesis|
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