Flea beetles are destructive pests of pepper plants, leaving small holes that affect the health of the plant. This article from the “WORLD OF PLANTS” website provides an explanation of the symptoms of flea beetle disease on pepper plants and methods of prevention and control.
Causes of flea beetles on pepper plants
Disease name: Pepper flea beetles
Scientific name: Alticini
Type of disease: insect
Disease family: Chrysomelidae
Flea beetles are a common seedling pest, with older plants being more tolerant of the disease while pepper seedlings and young seedlings do not tolerate flea beetle damage well.
Symptoms of flea beetles on pepper plants
Adult flea beetles feed on the undersides of leaves, leaving small pits or irregularly shaped holes on the leaves. Most flea beetle larvae feed on the roots, and bumps can appear on the tubers.
Development cycle of flea beetles on pepper plants
The larvae live in the soil, where they are pale yellow to white in colour, with short legs and hard, dark heads in the grass. They are active in the spring and can have four generations per year.
Suitable conditions for the spread of flea beetle disease on pepper plants
The severity of infestation increases when the weather is hot and dry, which are the conditions that beetles prefer to attack crops and where the damage is usually greatest to seedlings.
Losses resulting from the spread of flea beetle disease on pepper plants
Beetles are not usually an economic concern in pepper, but when infestations become severe, seedlings become weak and can die.
Controlling flea beetle disease on pepper plants
- Removing harmful weeds such as cruciferous weeds, canola in the field and the remains of infected plants.
- Use an insecticide that contains pyrethrin or acetamiprid.
- Use of agricultural soap.
Preventive measures for flea beetle disease on pepper plants
- Monitor newly emerged seedlings to detect flea mites.
- Installing a good irrigation and soil drainage system.
- Good soil fertilization.
- Getting rid of weeds and harmful plants around the field.
- Use insect traps.
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Sources:
Flea Beetles – UNIVERSITY OF CALIFORNIA AGRICULTURE AND NATURAL RESOURCES
Flea beetle - plantix
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