• Caterpillars

  can rapidly decimate a plant. Very small caterpillars are not able to chew and therefore graze the underside of leaves. This causes a window effect where [...] beneficial nematodes in fruit orchards Target pests of beneficial nematodes in top fruits Target pests of beneficial nematodes in potato & outdoor vegetables [...] inconspicuously brownish are greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, the caterpillars have biting and chewing

• Rhyzobug

  effect Small scales are consumed entirely. In larger scales feeding damage is visible as irregular holes in the scale cover. Pack size 500 adults. Presentation [...] detected in the crop. Introduction rates in outdoor crops typically range from 500-3,000 per ha/release. Releases should be repeated until control is achieved [...] Application Apply Rhyzobug in the evening. Open the cap and tap the beetles directly on the plants. Be aware that adults may not fly away immediately after

• General Conditions Koppert

  6.6 I f the Buyer does not meet its payment obligation in full within the term referred to in article 6.1, the Buyer is in breach without any further [...] the losses Koppert suffers as a result of a fall in the exchange rate of the currency in which payment is made as compared to the euro, calculated from [...] deadlines. 5.5 he Buyer is not entitled to any claims against Koppert for compensation T of any damages suffered in any manner as a result of late delivery

• Chrysoperla carnea

  Chrysoperla carnea , commonly known as the green lacewing, is a beneficial insect used in agriculture as a natural predator of various pest insects. It belongs [...] carnea Chrysoperla carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F) [...] sometimes appear in groups when the population density is particularly high. The development of the pupa is visible externally. The outer cocoon is 8 mm long

• Spider Mite Predators; Choosing the Best Biological For Your Situation

  July 24, 2024

  spider mites , but it is a type 3 generalist predator mite, so it is not a smart choice for spider mite control. It is better used as a generalist predator [...] or a combination of the two will be the best for your situation. Spidex is a type 1 specialized predatory mite. It is better adapted to hunting in heavy [...] biologicals. Stethorus punctillium is typically not a standalone product but can be a useful addition to predator mites in some situations. Conclusion There

• Swirski-Mite

  between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive to relative humidity below 60% [...] larvae of various thrips species and eggs and larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites use their piercing mouthparts to [...] are detected in the crop. Introduction rates typically range from 25-300 per m2/release. Releases should be repeated if necessary. Consult a Koppert advisor

• Harnessing the Power of Parasitic Wasps

  March 21, 2024

  traps placed in between the crop. This is because unlike the greenhouse whitefly , all stages of Bemisia are found all over the plant, not just in the heads [...] A Guide to Efficient Whitefly Management in Greenhouse and Ornamental Crops Whiteflies are common pests in greenhouse, ornamental, and agricultural settings [...] water. As a result, the plant can become stunted and exhibit symptoms of nutrient deficiency, which reduces plant defenses causing a decrease in crop quality

• Grey mould

  with not too much vegetative growth, in order to maintain a microclimate which is not humid enough for grey mould Provide sufficient ventilation in greenhouse [...] plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In cucumber: remove dead [...] Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or

• Knowing & recognizing

  use of biological control is not a simple process, it has become a complex system in which many aspects need to be considered. The need for knowledge has [...] explains how they spread in the crop, the damage they can cause, and specific behavioural characteristics. Shop now Koppert - A knowledge company The use [...] find the best sustainable solutions. First published 25 years ago and revised in 2003, the latest edition comprises 443 pages, 700 photographs, and dozens

• Powdery mildew

  of powdery mildew in greenhouses, it is advised to first ventilate by only opening the windows on the lee side. Please note, this is not relevant for other [...] General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies mostly occur in these crops