WebGummy stem blight (GSB), caused by Stagonosporopsis cucurbitacearum (syn. Didymella bryoniae), is a destructive foliar disease of watermelon in areas with hot and humid climates.The wild watermelon germplasm PI 189225 is a known source of resistance to GSB. The identification and use of molecular markers linked to resistance genes in the … WebMost (93%) samples of the gummy stem blight fungus collected in 2024 and 2024 from watermelon crops in South Carolina are moderately resistant to tebuconazole, the active …
Temporal and spatial dynamics of watermelon gummy stem …
WebCitrullus lanatus, watermelon. Source of Resistance: PI 189225 is reported as a resistant. Growth of Host: Method 2) Grow by direct seeding in bands in flats (4″ pots work better) until the plants have the third true leaf about 5 cm (2 in) in diameter. ... For gummy stem blight [Didymella bryoniae (Auersw.) Rehm or Mycosphaerella citrullina ... WebThe minimum, optimum, and maximum soil temperatures for seed germination are 70 F, 80 F and 100 F, respectively. The optimum for seedless germination is about 90 F. … bruchsal bibliothek
How to Treat Leaf Blight on Watermelon Leaves - Plant …
WebMay 22, 2014 · Gummy stem blight is caused by the fungal pathogen Didymella bryoniae and affects the leaves, stems and fruits of all … WebJul 2, 2024 · Gummy stem blight is one of the most destructive diseases of watermelon in tropical and subtropical regions, such as the southeastern U.S. 1 The average yield loss … WebDec 21, 2024 · Crops affected. Gummy stem blight is a major disease of cucurbits, particularly in tropical and subtropical areas. The disease can cause serious losses in watermelon, rockmelon, honeydew, squash, pumpkin and cucumber. The specific fungi and their hosts are listed below. Cucumis spp. (e.g. cucumber, honeydew melon, rockmelon, … ewing 5 car