• Green peach aphid

  cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach tree, is native, however it is now [...] making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] saliva can induce strong “allergic” reactions such as malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids have a complex

• Grapevine powdery mildew

  grapevine pathogens, it does not require free water (such as rain or dew) to infect, making it a persistent threat throughout the entire growing season. Early detection [...] the vineyard. These secondary infections can occur repeatedly during the growing season, leading to an exponential increase in disease pressure between flowering

• Whitefly

  fly in a straight line. They are often found on the undersides of leaves, where they feed on plant sap. Damage: Whiteflies can cause damage to leaves by [...] the plant. Stunted growth: Whitefly infestations can also cause plants to grow more slowly or become stunted. This is because the insects are drawing nutrients [...] This mold can further reduce the plant's ability to photosynthesize and grow. Wilting or death of plant: In severe cases, whitefly infestations can cause

• Downy mildew of Cucurbits

  take up nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing structures are protruding [...] stomata. Because there are more stomata on the underside of the leaf, this is where most fluffy symptoms are found. How to prevent Downey mildew Choose resistant

• Glasshouse potato aphid

  a toxic substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the [...] born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that overwinter

• Citripar

  according to the instructions on the label. Hang the tube in a place where direct sunlight does not reach it. Leave the tube on the crop for at least two weeks

• Microflora SA

  when applied to your crop early in its life. Bacteria colonize roots as they grow, therefore effects will be more pronounced if it is present as early in the [...] MT, NJ, NY, NC, ND, NV, OH, OR, PA, RI, SC, TN, TX, UT, VA, WA, WV, WI How does Microflora SA work? Microflora SA enhances plant growth by improving the

• Tomato russet mite

  destructor in older publications) belongs to the family Eriophyidae. It does not produce galls but lives freely (vagrant) on tomato plants. Aculops l [...] detected for the first time in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected

• Privacy

  site) Access status/HTTP status code Volume of data transmitted Website where the request has come from Browser, language settings, browser version, and [...] transfer this information to third parties if legally required to do so, or where such third parties process the information on Google’s behalf. Koppert has [...] to other websites which relate to a specific aspect of our website. This does not necessarily mean that Koppert is connected to these other sites or their

• Operation Mealybug

  mealybugs difficult to control with chemicals, particularly in dense crops where it is hard to reach them. They can therefore survive the chemical applications [...] to seek out their prey, but are not guaranteed to remain in the same spot where they were applied. Koppert therefore now supplies them in the larval stage [...] defoliation. The overall effect reduces photosynthesis and therefore the yield. Where flowers and fruit are concerned, these often drop off; Plant sap is low in