• Cottony cushion scale

  hair-like, transparent rods of wax from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running [...] developed antennae and one pair of dusky wings, The adult ‘females’ produce 500 to 2000 bright-red, oblong eggs over a period of 2 to 3 months. After leaving the [...] easily recognized by their large size (up to 10 mm long), red-brown body colour and covering of granular, white wax. The legs, antennae and body hairs are

• Horiver Drystick

  Nesidiocoris tenuis White: Lygus spp., European apple sawfly ( Hoplocampa testudinea) Mode of action Insect pests are attracted to the colour of the sticky trap [...] one Horiver Drystick per 2 to 20 m 2 Notes In contrast to Horiver Wetstick , the glue of Horiver Drystick does not come off on your hands Horiver Drystick [...] and get caught in the glue. Presentation Polysterene cards coated with dry sticky glue. Available colours and sizes Yellow: 10x25 cm; 25x40 cm White: 10x25

• Cottony soft rot

  occur on stems but also on leaves, fruits and pods. Root infection often leads to premature wilting and death of plants. Life cycle and appearance of Cottony [...] thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent Cottony soft rot Practice [...] cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( S

• Tobacco aphid

  Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop [...] are also capable of dispersing through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if

• Cactus mealybug

  host plant species, infestations with cactus mealybug cause discoloration of the plants and later necrosis of the tissue. Plant deformations can also occur [...] ornamental plants. Damage symptoms The cactus mealybug usually infests stems but can occasionally be found on crowns, roots. and flowers. Depending on the host [...] occur. Heavily infested plants stop growing and will eventually die. Life cycle and appearance of Cactus mealybug Mealybugs get their name from the fact

• Apple

  monitoring essential. Damage symptoms of apple scab Olive-green to dark brown spots on leaves Velvety lesions on young fruit Fruit cracking and deformation [...] range of bi- or tri-colored cultivars. The skin of the apple is protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured [...] aphid (Macrosiphum euphorbiae) feed on plant sap, reducing tree vigor and affecting fruit quality. Damage symptoms of aphids in apple Curled and distorted

• European biocontrol industry proposes new EU regulatory framework

  December 18, 2018

  recently published its vision on how to improve regulation for the biocontrol industry in a White Paper that it has presented to the European Union. It proposes [...] have not been successful due to the European Commission which is reluctant to move forward. An example of this is the repeal of the resolution for low risk [...] innovative plant protection for modern agriculture are a vital tool in the EU’s work to support farmers and effectively implement the Sustainable Use of Pesticides

• Powdery mildew

  the plant cell and takes up nutrients from the epidermal layer of plant cells. Most of the fungus remains on the outside of the plant surface. On the mycelium [...] underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the fluffy colonies also appear on the upper side of the [...] the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate by only opening the windows on the lee

• Sciarid flies

  from diseased to healthy plants. Direct damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and [...] ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous [...] harm to healthy plants, sciarid flies are particularly problematic in cuttings and other young growing plant material. Damage symptoms The larvae of sciarid

• Knowing & recognizing

  biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to grow better and remain healthier. Koppert believes [...] Get the growers’ guide to biological crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s [...] many phases, as well as giving you the ability to recognize the pest or disease you are up against by means of detailed illustrations and close-up photographs