• Leafhoppers

  cultivation. By combining monitoring with targeted biological control, crops remain protected while preserving natural balance, ensuring consistent quality

• Cercospora leaf spot

  severity. The fungus has the ability to overwinter in plant debris and remains in the field for long time. Management Spray Veni GoKlean at the rate 1

• Bacterial wilt, brown rot

  infected tubers, the wilting and collapse of plants happens rapidly. Leaves remain green after wilting, until they are completely desiccated. Infected stems [...] high, such as during rainy periods. When temperature is low, infection may remain latent until conditions are more favourable. This makes it more difficult

• Grape downy mildew

  symptoms Young berries turning greyish-brown and shriveling Infected berries remain small and fail to ripen Clusters appear sparse due to early berry loss [...] viticola) relies on a preventive and integrated approach. Since the pathogen remains latent before symptoms emerge, control strategies should focus on reducing

• Loose smut of wheat

  smut of wheat. Damage symptoms Infection by Ustilago nuda f.sp. tritici remains invisible until head emergence. The first sign of infection is the appearance

• Root rot of carrot

  seedlings. The subsurface parts turn dark brown to black, while the cotyledons remain green. During humid spells the surviving plants exhibit by necrotic leaf [...] intracellular and intercellular mycelium. Conidia buried in nonsterile soil remained viable at 0°C and 3°C for 12 months, at 6°C for 6 months, and at 12°C for

• Working at Koppert

  over the past 50 years, but despite its international character, Koppert remains a family company in which cooperation and respect for people and the environment

• Click beetles

  soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring.

• Pink Bollworm

  the soil. Diapausing larvae emerge when conditions are favourable but may remain dormant for up to 2.5 years.

• Charcoal rot

  and drying and death of older leaves. The youngest central leaves usually remain unaffected and stay green. The first symptoms are mostly found after plants