Vol. 9, Special Issue 10, Part M (2025)
Screening of germplasms/varieties against anthracnose disease of green gram in field condition
Ankur Patel, Gruhesh R Chaudhary, RF Chaudhary and BC Patel
Green gram also known as moong bean or mung bean (Vigna radiata L.) is autogamous diploid grain legume crop belonging to Leguminosae family. Anthracnose of green gram disease is caused by Colletotrichum lindemuthianum (Sacc. & Magn.) Briosi and Cavara is a severe disease in almost all green gram growing areas of country. Aims of this study is for the necessity for emphasizes the screening of various germplasms/varieties against anthracnose caused by Colletotrichum lindemuthianum under natural field conditions and to identify the resistant genotypes or germplasms against the anthracnose disease which having importance in future breeding programme for developing resistant variety. Field experiment was conducted during kharif 2024 to identify the resistant genotypes or germplasms against the anthracnose disease. Twenty one green gram germplasms/varieties procured from Pulse Research Station, S. D. Agricultural University, Sardarkrushinagar were assessed against anthracnose disease under field/natural conditions. Each test entry were sown with two rows of 4 m length and the susceptible check (GM 4) was sown after every five test entries. For recording the intensity of anthracnose at weekly interval, ten plants from each entry were randomly selected and labelled from the disease appearance up to physiological maturity of crop. Observations of percent disease intensity in each entry was recorded on ten randomly selected plants by using standard scale i.e. 0 to 9 given by AICRP. One germplasm viz., SKNM 2306 was recorded minimum percent disease intensity (06.66%) which regarded as resistant. Whereas, three germplasms/varieties viz., SKNM 2304 (12.22%), SKNM 2305 (15.55%) and SKNM 2308 (14.44%) were found moderately resistant. Seven germplasms/varieties viz., SKNM 2301 (38.88%), SKNM 2302 (33.33%), SKNM 2307 (34.44%), SKNM 2309 (28.88%), SKNM 2316 (34.44%), GM 3 (21.11%) and GM 5 (36.66%) were found to be moderately susceptible while nine germplasms/varieties viz., SKNM 2303 (47.77%), SKNM 2310 (55.55%), SKNM 2311 (50.00%), SKNM 2312 (47.77%), SKNM 2314 (53.33%), SKNM 2315 (43.33%), GM 6 (54.44%), GM 7 (48.88%) and GM 9 (43.33%) were found to be susceptible and one germplasm viz., SKNM 2313 was observed maximum percent disease intensity (64.44%) which regarded as highly susceptible to anthracnose disease.
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