Many people do not know that the cucumber plant has both male and female flowers. With the help of insect pollinators, the female flowers are pollinated by pollen carried to them by the male flowers. It is the female flowers that give us cucumbers. If, for whatever reason, there is no pollination, what we observe […]
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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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Downy mildew of cucurbits causes severe to devastating infestations on cucumber. Scientific name: Pseudoperonospora cubensisGreek name: Περονόσπορος Κολοκυνθοειδών, Ψευδοπερονόσπορος Symptoms On leaves it causes chlorosis in extensive angular areas between nerves. As the infestation progresses, the leaves dry out and fall off. Whole plants may also dry out. With favorable moisture conditions the white exanthem
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The California thrips came to Europe from North America, where it originated. It spread very quickly to Greece, and in 1992 it was found for the first time causing serious damage to vines in the Kavala area. Later, in Corinthia, vineyards of the Sultanina variety were repeatedly found to have very serious damage to the
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Botrytis (grey mold) is a widespread fungus. It attacks many crops and is a serious problem and a real threat to marketable production. In addition to the quantitative losses, it also reduces the quality of the products and damages the production after harvest during storage and transport. It is a problem particularly for greenhouse crops
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Anthracnose of cucurbits affects cucumber, and watermelon plants. The leaves are show extensive light brown or greyish spots with distinct margins. On the fruit, brown discoloration in the form of large spots is produced Scientific name: Colletotrichum orbiculare (syn. Colletotrichum lagenarium, syn. Gloeosporium lagenarium)Greek name: Ανθράκωση αγγουριού Symptoms Anthracnose of cucurbits causes extensive light brown
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