it secretes a toxic substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The…
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…
Diaphorina citri Asian citrus psyllid General The Asian citrus psyllid, ( Diaphorina citri ), is an important pest of citrus in several countries as…
can induce strong “allergic” reactions such as malformations of the growing tips. Solution Finder Find solutions for your crop Damage symptoms How to…
occidentalis) prefer to feed on developing plant tissues such as growing tips and flower buds. When these tissues develop further, the leaves and…
rs migrate to the top of the plant where they feed mainly on the growing tips. They produce large holes in the leaf, sometimes stripping the leaf down
pronounced antennae. The hindwings are narrow, pointed toward the apex. The tips of the wings appear to turn upward slightly when viewed from the…
is either seed-borne or takes place as infection of the roots at the root tip, or in small wounds, for example where lateral roots branch off the tap…
symptoms are irregular chlorosis or browning of leaves along the margin or the tip from early to midsummer. The necrotic area spreads over the leaf…
available from Koppert. This poster is also available as a download (URL). Tip: Add the contact information for seeking medical assistance and…
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