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Sugar Beet (Beta vulgaris)-Damping-off March 2023 By O. Neher and C. M. Ocamb Cause The soilborne fungi or fungus-like microorganisms, Pythium spp., Rhizoctonia solani, and Aphanomyces cochlioides, may attack before, during, and after germination. In the ...

Sugar Beet (Beta vulgaris)-Downy Mildew March 2023 By O. Neher and C. M. Ocamb (Group M1) Cause The fungus-like microorganism, Peronospora farinosa f. sp. betae (formerly P. schachtii), causes disease on sugar beet for seed mostly west of the Cascade Rang ...

Sugar Beet (Beta vulgaris)-Fusarium Yellows March 2023 Cause The soilborne fungus, Fusarium oxysporum f. sp. betae. This pathogen can survive many years as hardy spores (chlamydospores) in soil or can persist as colonized plant debris. It also can survive ...

Sugar Beet (Beta vulgaris)-Heart Rot March 2023 Cause A deficiency in the minor, nonmobile element boron. Symptoms A necrotic cross-hatching inside the leaf petiole. Young leaves turn brown and die, resulting in a rosette of small dead leaves at the top o ...

Sugar Beet (Beta vulgaris)-Nematode, Beet Cyst March 2023 By O. Neher and C. M. Ocamb Cause Heterodera schachtii is a sedentary endoparasite with a relatively small host range. Other crop hosts are mangel-wurzel, table beet, cabbage, cauliflower, Brussels ...

Sugar Beet (Beta vulgaris)-Nematode, Root-knot March 2023 Cause Meloidogyne hapla is a sedentary endoparasite; only second-stage juveniles (the infective stage) and adult males (which may be rare) are in soil. Symptoms Beets are stunted in small, conspicu ...

Sugar Beet (Beta vulgaris)-Phoma Leaf Spot and Root Rot March 2023 By O. Neher and C. M. Ocamb Cause Phoma betae, a fungus that attacks seedlings, leaves, and roots in the field and in storage. It often enters wounds during the growing season and at harve ...

Sugar Beet (Beta vulgaris)-Phytophthora Root Rot and Pythium Root Rot March 2023 By O. Neher and C. M. Ocamb Cause The fungus-like soilborne organisms, Phytophthora drechsleri and Pythium aphanidermatum, cause root rot primarily in waterlogged soils at hi ...

Sugar Beet (Beta vulgaris)-Powdery Mildew March 2023 By O. Neher and C. M. Ocamb Cause The fungus, Erysiphe betae (syn = E. polygoni, Microsphaera betae), affects plants in the Polygonaceae. The disease has been widespread in several Western States since ...

Sugar Beet (Beta vulgaris)-Ramularia Leaf Spot March 2023 Cause Ramularia beticola, a fungus. Most likely it is seedborne. It is believed to persist in beet debris at least 1 year. The disease is not considered an economic problem. Symptoms Leaf spots, wh ...