Survey & Isolation of follicolous necrotic fungi from Vigna mungo (L.) Hepper
Rashmi Devi Soni, Rupinder Diwan and Smita Sharma
Department of Botany, Govt. Nagarjuna P. G. College of Science, Raipur 492010 (India) Corresponding author’s email id: hello26476@gmail.com Contact Number of the author: 9993944339
ABSTRACT
Vigna mungo is a plant having good nutritional values and medicinal importance which plays a significant role in human nutrition. Many recent studies have been conducted on the nutritional quality of V. mungo. The studies suggest that Vigna mungo (L.) Hepper is a good source of protein, carbohydrate and minerals. Its medicinal uses are reported in different traditions of medicine such as Ayurveda and Unani. It is mostly used for therapeutic purposes and is known to possess antihypertensive and antidiabetic properties. A periodical survey was conducted during the month of November-2012 to March-2013 to collect infected leaves of V. mungo (L.) Hepper from five different locations of Raipur district viz. Indira Gandhi Krishi Vishvavidyalaya, Raipur, two villages Jora and Bhatagaon, farm house and kitchen garden of Kushalpur Raipur. Severe brown spots were observed on the plants of Vigna mungo which were collected for phytopathological investigations. Total two fungal pathogens have been isolated from the leaves of the crop. Fusarium semitectum (FS) and Corynespora cassiicola (CC) were isolated from leaves showing reddish brown, circular, regular and necrotic spots. Leaves were severely damaged in both symptoms and both species of Fusarium semitectum (FS) and Corynespora cassiicola showed severe degree of infection and disease intensities. Pathogenicity test was proved by Koch’s postulate. Conidial size was measured using micrometry. Suitable control and protective measures should be taken into account to prevent this major kharif crop from the microbial invasion so as to get a healthy crop of immense nutritive value.