1/21/2024 0 Comments Gummy stem blight of cucumber![]() ![]() ![]() Kulwant S, Shetty KPV (1996) Didymella black fruit rot of bitter gourd. Keinath AP, Zitter TA (1998) Resistance to benomyl and thiophanate-methyl in Didymella bryoniae from South Carolina and New York. Keinath AP, Farnham MW, Zitter TA (1995) Morphological, pathological, and genetic differentiation of Didymella bryoniae and Phoma spp. Keinath AP (1996) Soil amendment with cabbage residue and crop rotation to reduce gummy stem blight and increase growth and yield of watermelon. Keinath AP (1995) Fungicide timing for optimum management of gummy stem blight epidemics on watermelon. Kato T, Suzuky K, Takahashy J, Kamoshita K (1984) Negatively correlated cross-resistance between benzimidazole fungicides and methyl N-(3, 5-dichlorophenyl) carbamate. Gusmini G, Wehner TC, Holmes GJ (2002) Disease assessment scales for seedling screening and detached leaf assay for gummy stem blight in watermelon. ![]() Gusmini G, Song R, Wehner TC (2005) New sources of resistance to gummy stem blight in watermelon. Gusmini G, Rivera-Burgos LA, Wehner TC (2017) Inheritance of resistance to gummy stem blight in watermelon. Gimode W, Lonnee M, McGregor C (2019) Resistance response of Citrullus genotypes to Stagonosporopsis spp. Gimode W, Bao K, Fei Z, McGregor C (2021) QTL associated with gummy stem blight resistance in watermelon. J Agric Res 78:589–615ĭos-Santos GR, Sousa SCR, Juliatti FC, Rodrigues AC, Dalcin MS, Bonifácio A (2016) Control of gummy stem blight in watermelon through different management systems. John Wiley & Sons, New YorkĬhiu WF, Walker JC (1949) Physiology and pathogenicity of the cucurbit black-rot fungus. International Society for Horticultural Science, Alexandria, pp 143–166Ĭampbell CL, Madden LV (1990) Introduction to plant disease epidemiology. Cucurbit Genet Coop 17:106–110īruton BD (1998) Soil borne diseases in cucurbitaceae: pathogen virulence and host resistance. Academic Press, New York, pp 255–268īoyhan GE, Norton JD, Abrahams BR (1994) Screening for resistance to anthracnose (race 2), gummy stem blight, and root knot nematode in watermelon germplasm. Preece, TF Ecology of Leaf Surface Microorganisms. Int J Curr Microbiol App Sci 7:2632–2638īlakeman JP (1971) Chemical environment of the leaf surface in relation to growth of pathogenic fungi. Crop Prot 90:150–156īhat ZA, Bhat MA, Ahanger MA, Badri ZA, Mir GH, Mohi-u-Din FA (2018) Survival of Didymella bryoniae incitant of ridge gourd blight under temperate conditions. Plant Dis 99:1488–1499īasım E, Basim H, Abdulai M, Baki D, Öztürk N (2016) Identification and characterization of Didymella bryoniae causing gummy stem blight disease of watermelon ( Citrullus lanatus) in Turkey. Stud Mycol 65:1–60īabu B, Kefialew YW, Li PF, Yang XP, George S, Newberry E, Paret ML (2015) Genetic characterization of Didymella bryoniae isolates infecting watermelon and other cucurbits in Florida and Georgia. These potential sources of resistance identified shall be of great value in developing gummy stem blight resistant varieties of watermelon.Īveskamp MM, De Gruyter J, Woudenberg JHC, Verkley GJM, Crous PW (2010) Highlights of the Didymellaceae: a polyphasic approach to characterise Phoma and related Pleosporalean genera. Among the genotypes evaluated, IIHR-617, IIHR-82, IIHR-545, BIL-53 and IIHR-556 were found to be resistant. Host response in terms of symptom expression ranging from necrosis in leaves, stem cankers, rotting of the infected stem to complete wilting and death of plants were observed. ![]() A highly virulent watermelon isolate (MN396362) obtained from the research farm of Division of Vegetable Crops, ICAR-IIHR was used for artificial screening, employing mycelial disc inoculation technique. A total of 266 genotypes of watermelon comprising of 260 germplasm collections and six commercial checks were evaluated for the identification of resistance sources under artificial screening and natural epiphytotic conditions. Hence, in the present study, we evaluated a panel of watermelon germplasm for the identification of resistance sources against gummy stem blight. However, the development of resistant varieties for this disease is constrained by the non-availability of suitable resistant sources. Though cultural and chemical management gives partial relief, the development of resistant cultivar is cost-effective and environment friendly. Several strategies are being explored for the management of this disease. Didymella bryoniae), is a devastating disease of watermelon all over the world including India. Gummy stem blight caused by the fungus Stagonosporopsis cucurbitacearum (syn. ![]()
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