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.
If you see many small black spots under the leaves on pears, quince, apple trees, eggplants and the leaves on the top are discoloured and lose their green colour, then you have an infestation of Tingidae (Lace Bugs). The Tingidae family of insects, often referred to as Lace Bugs, are very small insects that infest […]
Black spots under the leaves of Pear, Apple, Quince – Tingidae – Lace Bugs Read More »
Powdery mildew of tomato attacks tomato, pepper and eggplant, okra, artichoke and cucumber. Scientific name: Oidium neolycopersici, Erysiphe orontii, Leveillula tauricaGreek name: Ωίδιο Ντομάτας Symptoms The symptoms are most pronounced on tomatoes and peppers, while pale yellow spots are caused on eggplant and cucumber. The spots later become necrotic. The powdery mildew of tomato fungal
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Powdery mildew of grapes is one of the most serious diseases of the vine and is widespread in all wine-growing regions of the world. The disease was first described in North America, while in Europe it appeared in 1845. In Greece, where vines are grown, the disease is known by many common names (Στάχτωμα, θειαφασθένεια,
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In cucurbits (cucumbers, pumpkins) we find powdery mildew of cucurbits infestations by all three pathogens, which can often coexist. Scientific name: Erysiphe cichoracearum, Sphaerotheca fuliginea, Leveillula taurica, Erysiphe cichoracearum, Sphaerotheca fuliginea, Leveillula taurica, Erysiphaceae, Erysiphales, Podosphaera xanthiiOther name: Powdery MildewsGreek name: Ωίδιο Αγγουριάς Symptoms In infestation by Erysiphe cichoracearum, small, round spots appear at the
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Citrus mealybug is a very widespread coccoid that infects many types of plants, such as grapevine, citrus, tomato, potato, cucurbits, etc. Secondarily, it also attacks stored potatoes, sweet potatoes and other succulent fruits. Scientific name: Planococcus citriGreek name: Βαμβακάδα, Ψευδόκοκκος, Ψευδόκοκκος των εσπεριδοειδών Damage Citrus mealybug infects all plant parts and covers them with cotton-like
Golden nematode attacks a large number of plants, e.g. beets, potatoes, legumes and many autochthonous plants. Scientific name: Globodera rostochiensis (=Heterodera rostochiensis), G. pallida (=H. pallida)Other name: Golden eelworm, Yellow potato cyst nematodeGreek name: Χρυσονηματώδης της Πατάτας Damage The young larvae (caterpillars) cause irregular holes in the leaves. Developed larvae are voracious eaters and eat
Scientific name: Phytometra gamma, Autographa gammaOther name: Gamma moth, Silver YGreek name: Φυτομέτρης Beet worm is an insect that attacks a large number of plants, e.g. beets, potatoes, legumes and many autochthonous plants. Damage Young beet worm larvae cause irregular holes in leaves. Developed larvae are voracious eaters and devour the entire leaf, leaving only
Grapevine phylloxera originated in North America and spread to Europe. In Greece it was first recorded in 1892-1908 on the islands of the eastern Aegean Sea and in 1898 in Pylaia, Thessaloniki. Grapevine phylloxera insect had previously caused in Greece the total destruction of vineyards (native vineyards) over a large area and still exists as
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Citrus leafminer Phyllocnistis citrella is native to South-East Asia, where it is widespread. From there it was introduced to Australia, North and South Africa. In 1993 it attacked citrus trees in the State of Florida, USA, Spain, Turkey and Cyprus. In Greece, it first appeared in the summer of 1995 on the islands of the
Phomopsis disease is widespread in almost all wine-growing regions of Greece. In the last decades, it began to attract considerable attention of all those involved in viticulture, because it can cause great damage: necrosis of heads and stems. Scientific name: Phomopsis viticola plus Phoma viticola, Phomopsis ampelopsidis Fusicoccum viticolum, CoelomycetesGreek name: Symptoms The shoots, vines
Potato tuber moth mainly affects potatoes, but also damages tobacco, beets, tomatoes and eggplant. Scientific name: Phthorimaea operculellaOther name: Tobacco splitwormGreek name: Φθοριμαία Damage Potato tuber moth causes damage to leaves and stems, but is not considered significant. Serious damage is done to tubers, which are attacked by the insect both in the field before
Wheat bulb fly is found mainly in wheat and less so in rye and barley. Scientific name: Hylemya coarctataOther name: DeliaGreek name: Υλέμυια Damage In spring, the wheat bulb fly larva penetrates into the stem of the plant, causing the leaves to turn yellow, rot at the base and become easily detached. Early infestations usually
Vine leafroller tortrix is a lepidopteran that attacks not only vines but also other perennial or annual plants. Scientific name: Sparganothis pillerianaOther name: Fruit mothGreek name: Τυλιγάδι ή Πυραλίδα της Αμπέλου Damage Young vine leafroller tortrix larvae feed on buds, young vegetation and inflorescences, which display silky threads. Small nits often appear on the leaf
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Vine leaf roller is an insect that attacks vine, pear, hazel, chestnut, poplar, willow and other forest trees. Scientific name: Byctiscus betulaeGreek name: Τσιγαρολόγος Damage Vine leaf roller attacks (eats) the buds (eyes) and tender vegetation during the April-May period, causing characteristic etching. Females lay eggs inside leaves that have previously been rolled up, creating
European crane fly insects resemble large mosquitoes. They are usually found in pastures, but can also be found in various crops, e.g. cereals, legumes, beets, potatoes. Scientific name: Tipula paludosaOther name: Daddy-longlegs, Leatherjackets (larvae)Greek name: Τιπούλα Damage The damage is caused by the larvae (leatherjackets). They attack the roots and bottom of stem of plants
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Leafhoppers are found in potatoes, beets, cereals, vines, many vegetables and many other crops. Scientific name: Empoasca flavescens, Empoasca decipiens, Eupteryx atropunctataGreek name: Τζιτζικάκια The leaves have light-colored areas due to sap removal and may curl at the edges. In severe infestation the entire leaf becomes chlorotic. Some are also carriers of plant diseases, transmitting
Scientific name: Tanymecus palliatus, T. dilaticolisGreek name: Τανύμεκος Damage Beet leaf weevil eats the cotyledons and young leaves starting from the circumference. It also attacks the root, stems and rhizome. Early infestations can result in complete destruction of the crop, while infestations at a later stage of the plants lead to wilting. Enemy The larvae
Beet armyworm are found on cotton, corn, potatoes, legumes, beets, vegetables, and other plants. Scientific name: Laphygma exigua, Prodenia litura, Spodoptera lituraOther name: Tobacco cutworm, Cotton leafwormGreek name: Σποντόπτερα (Λάφυγμα, Προντένια) Damage The young larvae feed on the leaves. They usually eat the back surface of the leaves, but may also destroy the entire leaf
Wireworms larvae usually live on dead organic matter, but can attack many crops, such as cereals, carrots, beets, potatoes. Scientific name: Agriotes lineatus, ElateridaeGreek name: Σιδηροσκούληκα Damage Eat holes in the seed and seedlings lead to empty plant spots in the field. Eat holes in plant roots result in wilting and killing of plants. In
Collar rot disease occasionally causes severe damage to irrigated fields and can develop intensively in silos. Scientific name: Corticium rolfsii, Athelia rolfsii, Pellicularia rolfsii, Sclerotium rolfsiiOther name: Sclerotial blight, stem rot, southern blight, bed rot, cottony rot, Sclerotium wilt, collar rot, crown rot, fire fang root rot, foot rot, southern wiltGreek name: Σηψιρριζία από Σκληρωτίαση
