Screening of Soybean Germplasm against Frogeye Leaf Spot of Soybean Caused by Cercospora sojina Hara in Himachal Pradesh
Keywords:
<i>Cercospora sojina</i>, Frogeye Leaf Spot, Epiphytotic Conditions, Resistance, Pathotypes.Abstract
Frogeye leaf spot caused by Cercospora sojina Hara, an important disease of soybean (Glycine max L. Merill) is generally managed by different strategies but use of resistant varieties is the best approach. This study was conducted to find resistant source(s) in soybean against frogeye leaf spot caused by Cercospora sojina. Out of two hundred soybean accessions evaluated under natural epiphytotic conditions, 5 lines showed absolute resistance (AR) whereas 20 accessions were highly resistant (HR). Seventy four germplasm lines were found moderately resistant (MR) to the disease and remaining accessions were either susceptible (S) or highly susceptible (HS). Per cent Disease Index (PDI) ranged between 0.00 to 77.81 per cent. The accessions found resistant (disease reaction of 0, 1 and 2) under field conditions were further evaluated under greenhouse conditions with the diverse pathotypes. Four soybean accessions viz., Harder, JSM 285, CAT 195 and GP 465 exhibited absolute resistance against Frogeye leaf spot (FLS). Hence the identified resistance source can be furtherused in disease resistance breeding programme.Downloads
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Akem CN and Dashiell KE.1994. Effect of planting date on severity of frogeye leaf spot and grain yield of soybeans. Crop Protection 13 (7):607–610.
Chandra S, Sharma BK, Singh J and Sharma SK.1995.Screening of soybean (Glycine max) genotypes for resistance to frog-eye leaf spot (Cercospora sojina) disease in Meghalaya. Indian Journal of Agricultural Sciences 65 (7):550–551.
Dogra P. 2015. Biology and management of frogeye leaf spot of soybean caused by Cercospora sojina Hara. M Sc thesis. p 81. Department of Plant Pathology. CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur.
Dogra P, Singh A, Banyal DK and Kumari V. 2018. Prevalence and biology of C. sojina causing frogeye leaf spot of soybean in Himachal Pradesh. Plant Disease Research 33 (2):154-161.
Das R, Debarpita DR and Bhattacharyya PK. 2017. Screening of soybean varieties for resistance to frogeye leaf spot (FLS) disease caused by Cercospora sojina Hara in West Bengal India. International Journal of Basic and Applied Biology 4 (2):140–142.
Joshi S. 1989. Screening AVRDC soybean breeding lines and accessions for soybean rust, bacterial pustule and frog-eye leaf spot. Soybean Rust Newsletter 9 (3):1-2.
Mengistu A, Ray JD, Kelly HM, Lin B and Bellaloui N. 2020. Pathotype grouping of Cercospora sojina isolates on soyabean and sensitivity to QoI fungicides. Plant Disease 104:373-380.
Mian MAR, Boerma HR, Phillips DV, Kenty MM, Shannon G, Soffes SER, Blount AR and Weaver DB.1998. Performance of frogeye leaf spot resistant and susceptible near iso-lines of soybean. Plant Disease 82 (11):1017–1021.
Mishra KK, Bhartiya A and Kant L. 2021. Identification of resistance sources against frogeye leaf spot (FLS) disease of soybean caused by Cercospora sojina under hot spot conditions of Uttrakhand hills. Indian Phytopathology 10 (17): 1-5.
Mittal RK. 2001. Yield losses by frogeye leaf spot and anthracnose diseases in soybean under different sowing dates in the hills. Indian Phytopathology 54 (8):32–34.
Tiwari SP and Bhatnagar PS. 1988. Pod shattering of soybean in India. Journal of Oilseed Research 5 (9): 92-93.
Yorinori JT. 1981. Cercospora sojina: pathogenicity, new races and seed transmission in soybeans. Dissertation Abstracts International 42 (2): 448 -449.
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