• Pepino mosaic virus

  January 1, 1970

  (PepMV) Symptoms can vary depending on the strain, environmental conditions, and tomato variety, but common signs include: On leaves Mosaic or mottled patterns [...] against PepMV US1. This approach is based on the principle of cross-protection, where: A mild virus strain occupies the plant It prevents infection by more severe [...] is one of the most economically significant viral diseases in greenhouse tomato production worldwide. Due to its rapid spread and impact on fruit quality

• Rophoria

  January 1, 1970

  not open the box until you arrive at the release point. Carefully open the perforated lid of the carboard box. Hang the open box vertically on the plants [...] Adult hoverflies emerge from the pupae and deposit their eggs in the aphid colonies. The young larvae start feeding on the aphids . Visual effect Aphids [...] times. Consult a Koppert advisor or recognised distributor for advice on the best strategy for your situation. Environmental conditions Rophoria is most

• Damping-off

  January 1, 1970

  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 roots rot [...] of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy [...] ‘damping-off’, hence the name damping-off disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower

• Syrphidend

  January 1, 1970

  not open the box until you arrive at the release point. Carefully open the perforated lid of the carboard box. Hang the open box vertically on the plants [...] Adult hoverflies emerge from the pupae and deposit their eggs in the aphid colonies. The young larvae start feeding on the aphids . Visual effect Aphids [...] times. Consult a Koppert advisor or recognised distributor for advice on the best strategy for your situation. Environmental conditions Syrphidend is most

• Natutec Drive takes centre stage

  January 6, 2021

  tubes, on a flow of air. The application process is controlled from a touch-screen inside the tractor cab, by simply selecting the product name and the rate [...] “When I arrive on farm with the demonstration model, the grower is pleasantly surprised. It’s a jaw-dropping moment. Growers are amazed by the visual quality [...] heavily involved in the design and manufacture of the Natutec Drive from the beginning, and I am looking forward to seeing this in practise on strawberry farms

• Wheat bunt

  January 1, 1970

  sporidia infect the wheat seedlings even before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant cells and [...] heads. The glumes are opened either on some or on all spikelets, showing the bunt (smut spore) they contain, which is larger than a normal kernel. The bunt [...] ed. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed. These can germinate

• Rhyzobug

  January 1, 1970

  Open the cap and tap the beetles directly on the plants. Be aware that adults may not fly away immediately after release. Dosage The dosage of Rhyzobug [...] advice on the best strategy for your situation. Environmental conditions Optimal temperatures for Rhyzobug are around 25°C (77°F). Lower temperature slows [...] depends on climate, crop and armoured scale density and should always be adjusted to the particular situation. Start introduction as soon as the first armoured

• Spider mites and other mites

  January 1, 1970

  n of the leaves, with the affected areas curling and twisting. This damage is caused by the mites feeding on the plant tissue, which disrupts the growth [...] affect the overall health and growth of the plant and lead to lower yields. Russet mite damage Russet mites are also known for causing bronzing on the leaves [...] and the availability of food. Here's an overview of the life cycle of plant mites: Egg: The life cycle begins with the female mite laying eggs. The eggs

• Bacterial soft rot, bacterial stem rot

  January 1, 1970

  wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the stem [...] stem seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions first are small and sunken, w [...] leaves and from there grow through the petiole to the main stem through the xylem vessels. High humidity is required for disease development. Erwinia carotovora

• Koppert Launches Renewed Side Effects App

  October 11, 2024

  this cutting-edge AI tool. The new Digital Assistant feature on the app won the international GreenTech concept award in June for its potential to contribute [...] integrated pest management programs. The app currently provides critical advice on the side effects of chemical agents on biological control products and [...] Vroegop. ‘The new and improved features on our Side Effects app make it one of the most comprehensive and effective Integrated Pest Management tools on the market