symptoms Verticillium species mostly cause wilting of plants. The wilting starts at the lower leaves. These leaves are pale-green, then orange-yellow.…
particular those of seedlings. Infected plants lag in growth. Seedlings start falling over, also called ‘damping-off’, hence the name damping-off…
maintaining a warm and dry climate in greenhouses. Use hygiene measures. Start clean, remove crop residues and prevent splashing water. Prevent plant…
by a halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the leaf surface. They occur on the…
raised gummy lesions occur on the underside of the leaves. These lesions start out in a light-brown colour, turning to dark-brown or necrosis. Fruits…
g nutrient solutions Increase the distance to the main substrate at the start by using higher substrate blocks for the seedlings In field crops: Avoid
later turn brown and may merge. The leaves wilt and curl upwards, often starting at one side of the plant. They turn brown but don’t fall off. On…
cortex and the main root. As a consequence, leaves higher up in the plant start yellowing. Severely affected plants present girdling of the stem,…
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