Cercospora is a genus of ascomycete fungi. Most species have no known sexual stage, and when the sexual stage is identified, it is in the genus Mycosphaerella.Cercospora citrullina - causes "cucurbit leafspot" on watermelon and cucumber plants. Cercosporaleafspot is a disease caused by the fungus Cercospora citrullina. It can affect all cucurbit crops (like cucumber and squash) but it is especially common on watermelons.Managing WatermelonCercosporaLeafSpot. Cercospora fungus thrives in hot, moist conditions. cercosporaspot of watermelon.Figure 2. Closeup of Cercosporaleafspot on watermelon. Purdue Small Farm Education Field Day. Search. Home > Cercosporaspot of Watermelon.Figure 2. Closeup of Cercosporaleafspot on watermelon. PRIMARY. Cercosporaleafspot is a fungal disease that lurks in gardens year-round, waiting for the warm, wet conditions in which it thrives to attack crape myrtles. Cercosporaleafspot is a foliar disease most commonly found on watermelons. Characteristic symptoms are small circular spots having dark green to purple margins, becoming white to light tan in the center. Cucurbit leafspot (145) - Worldwide distribution. On watermelon (and squash), and other members of the cucumber family, including weeds. A minor disease, worse under shade. Small, about 5 mm, round spots with grey centres, brown margins, and sometimes yellow halos. Minor Pest Title. Cercosporaleafspots (Cercospora brassicicola).Cercosporaleafspots is caused by the fungus Cercospora brassicicola . Leafspots vary in colour from pale green to white and generally are bordered by brown tissue. They may be circular or appear angular. Fungus (Cercospora brassicae). « » Characteristic Symptoms: Leafspots appear as angular or circular pale green to gray or white with brown border. The disease is sometimes called frog-eye leafspot. Leaf defoliation can be observed in severe infection. Cercosporaleafspot is caused by the fungus, Cercospora citrullina, and is the most prevalent foliar disease of watermelon in south Texas, but it is not usually a serious problem. Cercosporaleafspot. Brown spots on leaves with concentric rings. Sanitation. Cercosporaleafspot disease on watermelon. Downy mildew. White, powdery growth on leaves and stems. Identifying Brown Spots and Edibility. Brown spots on watermelons manifest in various ways, offering clues about their cause.Cercosporaleafspot (Cercospora citrullina) also leads to brown spots, starting as small, dark brown lesions on leaves. In these survey regions, 40 watermelon fields were selected, and 10 diseases were observed, including 4 fungal, 3 bacterial, 2 water mold, and 1 viral disease. The observed diseases were Anthracnose, Cercosporaleafspot, Fusarium wilt, Gummy stem blight, Downy mildew... CercosporaLeafSpot of Legumes - Melon.CercosporaLeafSpot of Legumes. Know how to handle this fungal crop disease! These questions might also interest you: The watermelon is like it has busted it's still growing. The watermelon is open.
