Life cycle and appearance of Phytophthora blight Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore…
found in a variety of habitats throughout the world. Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging to the…
Release mummies near infested plants, because Aphelinus abdominalis is not very mobile Spread material on rock wool slabs or in application boxes…
shape as spider mites but are usually smaller. The different species all look very similar. False spider mites pass through the same developmental…
on new growth. Water shoots arising from the trunk or main branches, are very frequently attacked. The aphids mainly spread through young, wingless…
an cottony egg sac (ovisac) containing from 300-500 eggs. The nymphs are very similar to the adult female, even if they are smaller. The prepupa and…
crops throughout the world. Despite their small size, they are capable of very rapidly doing severe damage, due to their great reproductive capacity.…
disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Life cycle and appearance of…
irrigation water) and nutrients for germination. Germination also happens at very high relative humidity (RH > 93%) on dry plants. The germ tube grows…
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