A detailed catalog of diseases and pests causing problems to garden plants. Identify the problem. Learn about the disease or the pest. Learn how to remedy.
Early tomato blight causes ulcers at the base of the stems, which may surround the entire stem causing the plant to dry out. The Alternaria alternata f.sp. lycopersici fungus of early tomato blight (black spot) also attacks the tomatoes, producing sunken brownish-black spots over large areas. Scientific name: Alternaria alternata f.sp. lycopersici, Alternaria alternata, Alternaria […]
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Early blight affects the stems, leaves and fruits of tomatoes, potatoes, eggplants and peppers. Characteristic symptoms are the appearance of spots in concentric circles and the fall of the lower leaves. Scientific name: Alternaria solaniGreek name: Αλτερναρίωση Πατάτας Symptoms Early blight attacks all parts of the plant, stems, leaves, fruits (tomato), tubers (in potato). A
Greenhouse whitefly attacks many vegetable crops and ornamental plants. Scientific name: Trialeurodes vaporariorum Damage Greenhouse whitefly sucks sap from tender vegetation to feed on. In the older leaves we find the last-stage nymphs. Its nymphs cause discoloration and necrosis while its sticky secretions stain the produce and degrade its value. Enemy The adult has a
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Tobacco whiteflies suck out plant juices and causes leaves to turn pale and then dry out. It causes damage to plants by feeding on their sap and spreading disease. Scientific name: Bemisia tabaciOther common names: Silverleaf whiteflyGreek name: Αλευρώδης του Καπνού Damage Tobacco whitefly sucks off plant juices and causes paleness in the leaves, which
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Black cutworm are found in many crops e.g. beets, corn, potatoes, tobacco, legumes. Scientific name: Agrotis segetum, Agrotis ipsilonOther common names: Dark sword-grass, Greasy cutworm, Floodplain cutworm or Ipsilon dartGreek name: Αγρότιδες, Καραφατμέ, Κοφτοσκούληκα Symptoms When in larvae stage cut young seedlings at the plant’s “neck” (usually above the ground). Leaves in the beginning show indistinct
