• 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

• Pea blight, leaf and pod spot

  medicaginis var. pinodella ) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome [...] require water for dispersal. How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop rotation of four years

• 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

• Knowing & recognizing

  the growers’ guide to biological crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s [...] nts that increase the plant’s resilience to stress and help the plant to grow better and remain healthier. Koppert believes that sharing this knowledge

• 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

• European red mite

  name, European red mite) but is now distributed in all important apple growing areas of the world. European Red Mite Control with Predatory Mites Damage [...] crowded. Contrary to the two-spotted spider mite , Tetranychus urticae , it does not produce large amounts of webbing. The eggs are about 0.15 mm in diameter

• Even distribution of predatory insects with Natutec Drive

  Dyson Farming is the biggest private landowner in the United Kingdom and grows a variety of crops. The family-owned agricultural company prides itself on [...] soft fruit cultivation and now have 15 acres under strawberries. This is where we have installed Natutec Drive . We have fitted the unit onto our heating

• Black bean aphid

  The black bean aphid, Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks [...] the form of honeydew, making the crop and its fruit sticky. Black moulds grow on this honeydew, contaminating fruit and ornamental crops. At the same time

• Horiver Drystick

  or sticks at max. 30 cm above the crop and adjust height when plants are growing Do not place traps in-between the plants as parasitic wasps will then also [...] m 2 Notes In contrast to Horiver Wetstick , the glue of Horiver Drystick does not come off on your hands Horiver Drystick traps generally do not catch