Current information on the phytosanitary state of agricultural crops in Ukraine as of July 23, 2026.

In corn crops, cereal leaf beetles are causing damage—infesting 4-47% of the area, with a maximum of 100% of the area (Kharkiv region), at a population density of 0.2-5.0 ind./m2, damaging 2-8% of plants (Kirovohrad, Khmelnytskyi, Kharkiv, Odesa, and Zhytomyr regions); cereal aphids—infesting 7-32% of the area, with a maximum of 59-100% of the area (Chernivtsi, Kirovohrad, Kharkiv, Kyiv, and Lviv regions), at a population density of 1.0-15.0 ind./plant, damaging 1.5-12% of plants (Chernivtsi, Kirovohrad, Khmelnytskyi, Rivne, Ternopil, Kharkiv, Zaporizhzhia, Odesa, Kyiv, Lviv, Kherson, Zhytomyr, and Poltava regions); the European corn borer—infesting 7-29% of the area at a population density of 0.5-2.0 ind./plant, damaging 1-5% of plants (Chernivtsi, Kirovohrad, Khmelnytskyi, Zakarpattia, Kharkiv, Odesa, Kherson, and Poltava regions); cereal leaf beetles (Oulema spp.)—infesting 13% of the area at a population density of 4.0 ind./plant, damaging 4% of plants (Kirovohrad region); the cotton bollworm—infesting 2-20% of the area at a population density of 0.5-2.0 ind./plant, damaging 1-5% of plants (Kirovohrad, Odesa, and Kherson regions); foliage-feeding cutworms—damaging 1% of plants (Zaporizhzhia region); the meadow moth—infesting 2% of the area at a population density of 0.3-1.0 ind./m2, damaging 1-2% of plants (Odesa region). The flight of the western corn rootworm (Diabrotica virgifera virgifera) is ongoing (Zakarpattia region).

Helminthosporiosis has infected 5-32% of corn acreage, with a maximum of 69% of the area (Kyiv region), and 0.9-11% of plants with a disease severity of 0.2-1% (Chernivtsi, Kirovohrad, Rivne, Ternopil, Kyiv, Poltava, and Odesa regions); common smut—infecting 8% of the area, and 1% of plants (Kirovohrad region); rust—infecting 2-5% of plants (Zakarpattia region).

Sunflower crops are damaged by aphids—infesting 6-35% of the area, with a maximum of 60-100% (Kharkiv, Kyiv, Lviv, and Poltava regions), at a population density of 2.0-25.0 ind./plant, damaging 2-15% of plants (Chernivtsi, Kirovohrad, Khmelnytskyi, Rivne, Zakarpattia, Mykolaiv, Ternopil, Kharkiv, Zaporizhzhia, Odesa, Kyiv, Lviv, Kherson, Zhytomyr, and Poltava regions); the grey sugar beet weevil—infesting 7% of the area at a population density of 0.5 ind./m2, damaging 5% of plants (Zhytomyr region); thrips—infesting 12-25% of the area at a population density of 0.4-5.0 ind./plant, damaging 4-8% of plants (Zakarpattia, Kherson, Zhytomyr, and Poltava regions); bugs—infesting 5-20% of the area, with a maximum of 48% of the area (Kharkiv region), at a population density of 0.5-5.0 ind./m2, damaging 1-15% of plants (Kirovohrad, Khmelnytskyi, Kharkiv, Odesa, and Poltava regions); leafhoppers—infesting 10-20% of the area at a population density of 2.0-4.0 ind./m2, damaging 1-10% of plants (Khmelnytskyi, Mykolaiv, and Zhytomyr regions); the spider mite—infesting 3-10% of the area at a population density of 1.0-3.0 ind./leaf, damaging 2-15% of plants (Zakarpattia, Mykolaiv, Odesa, and Kherson regions); the cotton bollworm—infesting 3-21% of the area at a population density of 0.5-1.0 ind./plant, damaging 1-3% of plants (Odesa and Kherson regions); foliage-feeding cutworms—infesting 5-11% of the area at a population density of 0.1-0.5 ind./plant, damaging 0.3-3% of plants (Kirovohrad, Ternopil, and Zhytomyr regions); the painted lady—infesting 5% of the area at a population density of 0.5 ind./m2, damaging 8% of plants (Kirovohrad region); the sunflower moth—infesting 6% of the area at a population density of 0.6-1.0 ind./plant, damaging 4% of plants (Kherson region); the meadow moth—infesting 2% of the area at a population density of 0.5-1.0 ind./m2, damaging 1-2% of plants (Odesa region).

Downy mildew has infected 3-31% of sunflower acreage, affecting 1-10% of plants, with a disease severity of 0.3-2% (Chernivtsi, Kirovohrad, Zakarpattia, Ternopil, Zaporizhzhia, Odesa, Kyiv, Lviv, Kherson, Zhytomyr, and Poltava regions); alternariosis—infecting 5-15% of the area, affecting 0.5-10% of plants with a disease severity of 0.2-1% (Zakarpattia, Mykolaiv, Zaporizhzhia, Odesa, Lviv, Kherson, and Zhytomyr regions), and locally with a disease severity of 100% (Lviv region); septoria leaf spot—infecting 3-15% of the area, with a maximum of 48-90% of the area (Kharkiv, Kyiv, and Lviv regions), affecting 2-10% of plants with a disease severity of 0.4-8% (Kirovohrad, Zakarpattia, Kharkiv, Odesa, Kyiv, Lviv, Zhytomyr, and Rivne regions); phomopsis stem canker (phomosis)—infecting 6-44% of the area, with a maximum of 64% of the area (Kyiv region), affecting 0.5-15% of plants with a disease severity of 0.2-2% (Kirovohrad, Mykolaiv, Ternopil, Odesa, Kyiv, Kherson, Zhytomyr, and Poltava regions); phomopsis stem blight—infecting 5-18% of the area, affecting 2-6% of plants with a disease severity of 0.6-1% (Odesa and Rivne regions); white rot—infecting 1-3% of the area, affecting 0.1-3% of plants with a disease severity of 1% (Chernivtsi and Odesa regions); grey rot—infecting 3% of the area, affecting 0.2% of plants with a disease severity of 1% (Chernivtsi region); rust—infecting 2-11% of the area, affecting 0.1-4% of plants with a disease severity of 0.5-2% (Kirovohrad, Kharkiv, Zaporizhzhia, and Odesa regions).

Prepared by the Laboratory of Forecasting and Plant Quarantine of the Institute of Plant Protection of the NAAS based on data from regional NAAS institutions and the State Service of Ukraine on Food Safety and Consumer Protection, July 23, 2026.

Halagan T.O.
Fedorenko A.V.
Bakhmut O.O.
Vovkotrub O.M.