symptoms Fusarium fungi cause vascular wilt, root rot, foot and stem rot, leaf lesions, fruit rot, fusarium head blight in cereals, such as wheat…
tritici and Triticum laevis . Since Triticum controversa mostly attacks the 2-3 leaf stage, this is less effective for this fungus Prevent plant…
can shrivel. Onion thrips (Thrips tabaci) is found mostly along the main leaf veins, with most damage evident where these veins join. Fruit damage,…
zoospores produced in the sporangia. For germination on above-ground plant parts, leaf wetness is required. Dispersal is by wind and rain causes the…
different flying insects. Pests Yellow: whitefly , thrips , fungus gnats, leaf miners Blue: thrips Black: Tuta absoluta Mode of action Insect pests…
f disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants…
underside of leaves. This causes a window effect where the epidermis of the upper leaf surface remains undamaged. Young caterpillars are often found…
result in discolored or speckled leaves, stunted growth, and in severe cases, leaf drop or death of the plant. Damage symptoms are important for early…
sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface can lead to…
from several trial plots. Cumulative # Spidex on infested leaf Mean mobile Spidex per leaf 3,0 2,5 2,0 1,5 1,0 0,5 0,75 2,38 Current Spidex …
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