![]() Four plates were incubated at 25° C in the dark (Masago et al., 1977) and two weeks later white, dense colony was observed (Zhang et al., 2018). Diseased sugar beet root tissues were excised with a sterile scalpel and small pieces (10 mm²) were surface sterilized with 70 % ethanol for 30 seconds, rinsed twice with autoclaved water, air-dried and transferred to potato dextrose agar (PDA) media amended with pimaricin-vancomycin-PCNB (Conway, 1985). It affected approximately 10% of the growing seedlings. Symptoms appeared near the soil line as the stem (hypocotyl) turned dark brown to black with characteristic thread-like infections which resembled Pythium damping-off. In May 2019, sugar beet seedlings were observed with wilting, lodging and a few were dead in Glendive (46.970170, -104.838204), Montana. 8 Sidney Sugars, Sidney, Montana, United States 9 Sidney Sugars Inc, Agridulture, 35140 County Road 125, Sidney, Montana, United States, 59270 beet (Beta vulgaris L.) is a globally important crop for sugar.8 Sidney Sugars, Sidney, Montana, United States 9 Sidney Sugars Inc, Agridulture, 35140 County Road 125, Sidney, Montana, United States, 59270 article.of Plant Pathology, SAU, Sher-e-Bangla Nagar, Dhaka, Bangladesh, 1207 6 North Dakota State University, Plant Pathology, Fargo, North Dakota, United States 7 Sidney, United States. 5 Sher-e-Bangla Agricultural University, 54494, Plant Pathology, Assistant Professor, Dept.1 North Dakota State University, Plant Pathology, 226 Walster Hall, Fargo, North Dakota, United States, 58105-5758 2 North Dakota State University, Plant Pathology, Walster Hall, 306, Fargo, North Dakota, United States, 58108 3 North Dakota State University, Plant Pathology, Fargo, North Dakota, United States 4 North Dakota State University, Plant Pathology, 3012 9 1/2 Street North, Apt: 104, Fargo, North Dakota, United States, 58102.Use an appropriate pesticide, or pick off pests by hand. Pests usually are identified by ragged holes left when they feed on leaves. Insect pests: Watch for leaf miners, leafhoppers, flea beetles, aphids, and caterpillars.Root rot can be minimized by keeping your garden weed-free and by avoiding overwatering. Root rot tends to appear in cycles two or three disease-free years might be followed by a bad season where many plants are affected. Root rot: Usually caused by the Fusarium fungus, root rot causes the above-ground foliate to wilt, as though in need of water, while the underground roots begin to rot away.At the first sign of infection, apply a fungicide. To prevent, rotate crops every two to three years. ![]() Fungal infections: Similar to bacteria, fungal infections cause small brown or gray spots to cover the leaves.Combat viruses by planting resistant varieties and fighting leafhoppers with pesticides. Viral infections: Various viruses, often transmitted by leafhopper insects, can cause twisted, distorted leaves.Do not plant beets in garden space previously occupied by potatoes. Affected plants should be removed, and rotate crops the next season. Bacterial infections: A variety of soil bacteria can cause discolored spots on leaves, which can gradually infect the roots.The Spruce Home Improvement Review Board.
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