• Early blight

  conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience. [...] rain. How to prevent Early blight Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials. Practice crop rotation, in particular

• Mealybugs and scales

  (mealybugs). They suck the sap of plants and are mostly host plant specific. Apart from the damage they cause by sucking plant sap, mealybugs and soft scales [...] persistent pests that feed on plant sap, weakening crops and producing honeydew that leads to sooty mould. Infestations reduce plant vigor, fruit quality and [...] damage Although most species of mealybugs feed on the aerial parts of the plant, some species extract their nourishment from roots, whilst others are ga

• Click beetles

  the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants to wilt and die [...] die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish brown to black. The

• Western flower thrips

  necrotic spot virus (INSV). Both viruses affect a wide range of plants, and often a single host plant may be infected by both viruses. [...] flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including many vegetable and ornamental crops in greenhouses, and on various [...] flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or

• Cut flowers

  Hippeastrum is the Latin name for a bulbous plant that originates from Central and South America. It is a bulb plant from the large family of the Amaryllidaceae [...] a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering plant from the Iridaceae family. The cultivated [...] About Many plants with an ornamental value are specially grown as cut flowers. This concerns various types. Origin, cultivation method and substrate differ

• Black rot of carrots

  conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience. [...] to prevent Black rot of carrots Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials. Practice crop rotation, in particular

• Northern Corn Rootworm

  available to developing corn plants, affecting grain yield. Feeding damage can result in the following consequences: Plants develop secondary infections [...] species found on corn. While adult Diabrotica barberi can feed on a variety of plants, their larvae survive exclusively on the roots of corn. This allows producers [...] infestation, for the most part, by rotating their corn crop yearly with another plant (typically soybean). Damage symptoms Adult northern corn rootworm beetles

• Cyclamen mite

  species that feed on fungi, algae, plants, as well as insect and mite predators and parasites. Those living on plants can cause considerable damage to their [...] symptoms The cyclamen mite ( Phytonemus pallidus ) feeds on plant sap by penetrating the plant tissue with its piercing-sucking mouth parts. The mites are [...] because the mite spreads very slowly. Symptoms vary depending on the host plant and can resemble the damage caused by viruses. Infested leaves are twisted

• Thrips

  fliers and can move quickly between plants. They are often found on the undersides of leaves, where they feed on plant sap. Damage: Thrips can cause damage [...] fruits by feeding on plant tissue. This can result in distorted growth, discoloration, or scarring. They may also transmit plant viruses. Recognize thrips [...] feed on all aerial parts of the plant and are fairly mobile. Immediately after hatching, the larvae begin to feed on plant tissue on the underside of the

• May beetle

  to crops, since they feed on plant roots, resulting in visible water stress and ultimately ending in the death of the plant. From the third stage onwards [...] Overview May beetles are beetles from the Scarabaeidae family, and are plant-eating species from the Melolonthinae subfamily. Although this subfamily contains [...] Damage symptoms Initial damage is not visible in the aerial parts of the plant, as the larvae only feed on root hairs and organic material during the first