• Garden chafer

  move into corms, rhizomes and stem bases of plants. Larvae can also feed above ground within stems of plants and on strawberry fruits lying on the ground [...] are polyphagous and feed on a wide variety of plant species. High populations of larvae can destroy plants under field conditions. Established crops are [...] are more resistant to damage than young plants or recently planted cuttings. The beetles are only active at night, taking round bites out of the leaves,

• Cotton

  the cotton plant, is soft and fluffy and is the source of the fibre which is spun into thread and woven into cloth worldwide. Cotton plants belong to the

• Fusarium spp.

  system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium species [...] the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem [...] Fusarium species. Higher up in the plant, the microconidia germinate and infect the surrounding tissue. On infected plant parts, the typical boat-shaped pink

• Grey mould

  of the plants. In cucumber and tomato the fungus causes lesions on pruning wounds. These lesions may encircle the stem, so the part of the plant above the [...] cinerea ) affects the fruit. In potted plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey [...] happens at very high relative humidity (RH > 93%) on dry plants. The germ tube grows into the plant. Grey mould ( Botryotinia fuckeliana / Botrytis cinerea

• Black leg of seedlings

  in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side [...] inadequate drainage or improve the drainage before planting/sowing Prevent plant diseases by optimizing plant potential and crop resilience. [...] particular those of seedlings. Infected plants lag in growth. Seedlings fall over (‘damping-off’). In slightly older plants, the leaves lose their turgor or the

• 50 Years of Experience and a lot of R&D Efforts

  November 14, 2019

  making substances available to the plants that increase their resilience, and ability to absorb nutrients. The plants are more vital, their vigour is improved [...] the growing season. Customizing the ideal integrated pest management (IPM) system to control pest and diseases for the current and future seasons. This [...] the soil, for example, is extremely important to achieve healthy, vital plants. This also accounts for strawberry growing. You can improve disease suppression

• Certainty in the quality of every sachet and bottle of our predatory mites

  May 19, 2025

  they are excellent fighters. They combat pests voraciously and adapt to different conditions to protect plants ”, Bertha passionately explains. This ad [...] to promote environmentally friendly agricultural practices. For Bertha, plants are fundamental pillars of ecosystems, not only because they provide us [...] excellence Bertha found in Koppert the perfect place to merge her love for plants with her commitment to ecological management that reduces pesticide use

• En-Strip

  Pests Greenhouse whitefly ( Trialeurodes vaporariorum ); Tobacco whitefly ( Bemisia tabaci ). Mode of action Adult female parasitic wasps parasitize the [...] Suspend the cards in the crop, if possible approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The [...] to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 1-10 per m 2 /release

• Ercal

  Pests Greenhouse whitefly ( Trialeurodes vaporariorum ); Tobacco whitefly ( Bemisia tabaci ). Mode of action Adult female parasitic wasps parasitize the [...] Suspend the cards in the crop, if possible approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The [...] to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 1-10 per m 2 /release

• Ten tips to effectively tackle whitefly

  March 6, 2023

  important to combat this pest as quickly as possible. However, effective biological control starts with understanding the pest you have to deal with and [...] spread. Are they present on one plant in a corner, or have they spread throughout the crop? If they’re localized to one plant, you can apply control measures [...] measures in that spot or remove the plant. If the whitefly has already spread, your alarm bells should be ringing, and you must take immediate action. Make