• Charcoal rot

  corn stalks, survival of up to 1.5 years has been reported. The density of the microsclerotia in the soil is directly related to disease incidence. Within [...] plants begin bearing fruit or are subjected to stress. Severely infected plants collapse and die. When the crown is cut, internal symptoms can be seen, such [...] discolouration of vascular and cortex tissue (outer tissue layer) to orange-brown to dark brown. Cutting the roots may show the same discolouration of

• Angular leaf spot

  underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is the way the lesions look when using [...] different light sources: when reflected light is used, the lesions look dark green, but when transmitted light is used, they are translucent. When conditions [...] symptoms are the most important, but also all types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora

• Oleander scale

  olives this is seen as green spots on purple fruits. Damage to foliage is particularly important in ornamentals . Heavy infestation can lead to yellowing [...] themselves to the plant and form a scale. Colonies mainly form on the underside of leaves. After 1 to 2 months, the female reaches adulthood and begins to lay [...] and may reduce the photosynthetic area of the plants, leading to lower yield. Damage to fruit occurs in heavy infestations, where spotting and often deformity

• Boisduval scale

  produce up to 200 eggs and live up to seven months. Eggs hatch within five to seven days under the scale and become crawlers. The crawlers move out to look for [...] and damage symptoms. Here, the Boisduval scale is described in more detail, as it is the most important one. The Boisduval scale, Diaspis boisduvalii [...] feeding site. In orchids, this scale tends to prefer the leaf midrib and the portion of the petiole that is covered by the sheath. Small infestations on

• Cut flowers

  northern Argentina to Mexico and the Caribbean. Is grown from a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial [...] Origin, cultivation method and substrate differ greatly. Important types are: Rose: The rose belongs to the genus Rosa from the Rosaceae family. The flowers [...] colors and sizes. 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

• Maximize pollination in tomato

  two days. When the number of bite marks diminishes to only one or two per flower, it is advisable to introduce a new bumblebee hive. Temperature and humidity [...] °C and 28 °C, with a gradual decrease in activity beyond 28 °C. It is important to provide suitable conditions for the bumblebees, avoiding extreme te [...] can impede fruit setting. Maintaining plant health To maximize pollination success, it is essential to prioritize the health of your tomato plants. Various

• Large raspberry aphid

  General The large raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry. [...] rarely reach populations that are high enough to reduce yield by direct feeding damage. The major problem is the spreading of various raspberry viruses by [...] raspberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi. The cauda is short and triangular. Overwintering eggs

• Parasitic wasps

  wasps feeding on the host’s body fluids, which can be important for their reproduction. It's important to note that not all species of parasitic wasps engage [...] wasps employ two primary methods to control pests: parasitization and host feeding. Parasitization Parasitization is the primary means by which parasitic [...] body or attaches them to the host's exterior. Larval development: When the parasitic wasp eggs hatch, the newly emerged larvae begin to feed on the host pest

• Better insights and digital advice with Natutec Scout

  greenhouses, which is programmed into the app, allows us to see where an infestation is and how it is evolving. It also allows us to see if the natural [...] 2019 and is very happy with how it works. ‘Scouting with the app is much faster thanks to the scanner’s digital image recognition and the link to the Koppert [...] There is intensive remote contact with the Koppert consultant using the Natutec Scout app as a tool. It allows us to take the measures we need to take quickly

• Welcome Nezapar, so long stink bug!

  capacity to parasitize, thus impacting the development of Nezara , has been described in research papers for some time. Koppert is the first to achieve [...] The southern green stink bug Nezara viridula , is a highly destructive pest, damaging many important food crops. Nezapar , the parasitic wasp Trissolcus [...] Result: your existing biocontrol system remains intact. Reasons to use Nezapar Effective solution to control Nezara viridula No/less need for disruptive chemical