|Species:||A. segetum, A. ipsilon and A. exclamationis|
The term cutworm is used for the larvae of the turnip moth (Agrotis segetum, Agrotis ipsilon, Agrotis exclamationis). Most cutworms are in the moth family Noctuidae, however, many Noctuid larvae are not cutworms. Cutworms are notorious agricultural and garden pests. They are voracious leaf, bud, and stem feeders and can destroy entire plants. They get their name from their habit of "cutting" off a seedling at ground level by chewing through the stem. Some species are subterranean and eat roots. Cutworms are usually green, brown, or yellow soft-bodied caterpillars, often with longitudinal stripes, up to 2.5cm (1in) in length. There are many variations across the genera. Cutworms live just below the soil surface.
Young plants are attacked at night and stems are severed at ground level. Leaves and roots may also be eaten. Plants are most at risk in June and July.
Hoe the ground around plants during June and July. Pick up and destroy any caterpillars that are brought to the surface.
Use a nematode-based insecticide.
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|Broccoli · Brussels sprout · Cabbage · Cauliflower · Kale · Kohl rabi · Radish · Swede · Turnip|
|Adverse conditions||Blown sprouts · Bolting · Boron deficiency · Button cauliflower · Calcium deficiency · Heartless cabbage · Magnesium deficiency · Manganese deficiency · Molybdenum deficiency · Nitrogen deficiency · Split heart|
|Diseases||Anthracnose · Bacterial soft rot · Black leaf spot · Black rot · Brassica dark leaf spot · Club root · Downey mildew · Grey leaf spot (Brassica) · Turnip mosaic virus · Sclerotinia rot · White leaf spot · White leaf spot (Brassica) · White rust · Wire stem|
|Pests||Aphid · Cabbage aphid · Cabbage Moth · Cabbage root fly · Cabbage Whitefly · Cutworm · Diamondback moth · Flea beetle · Large White · Pigeon · Silver Y moth · Slug · Small White · Swede midge · Thrips|
|Adverse conditions||Drought · Iron deficiency · Magnesium deficiency · Nitrogen deficiency · Nitrogen toxicity · Phosphorous deficiency · Sun scald|
|Diseases||Aspergillus ear and kernel rot · Anthracnose · Bacterial soft rot · Crazy top of corn · Grey leaf spot of corn · Charcoal rot · Corn smut · Corn stunt disease · Fasciation · Fusarium ear and stalk rot · Maize dwarf mosaic virus · Northern corn leaf blight · Pink root of onion · Pythium · Stewart's wilt|
|Pests||Aphid · European corn borer · Cutworm · Leafminer · Root-knot nematode|
|Adverse conditions||Manganese deficiency|
|Pests||Aphid · Capsid bug · Cutworm · Leaf miner · Mouse|