• Bacterial canker of tomato

  structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate the decay of crop residues [...] usually white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves [...] leaves and subsequent expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but

• Harnessing the Power of Parasitic Wasps

  March 21, 2024

  buffer for a variety of situations, making them suitable for a range of temperature and pressure conditions. Timing of Introduction: Determine whether to introduce [...] Secreting a sugary substance known as honeydew (a bi-product of their sap-feeding). Honeydew can accumulate on plant surfaces, promoting the growth of sooty [...] into the tape/traps by using a blower or vacuum type piece of equipment. Do this prior to the release of parasites. Sprays of soap or entomopathogenic fungi

• Optimal placement of bumblebee hives

  Correct placement of hives The right placement of bumblebee hives can significantly enhance the pollination efficiency of bumblebees. The following steps [...] seasons, it is advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives [...] the same direction, but away from the crop, with a maximum of two hives grouped together. Protection of the hive To maintain hive efficiency, it is crucial

• Certainty in the quality of every sachet and bottle of our predatory mites

  April 16, 2025

  recalls. A legacy of unmatched innovation Bertha's story reflects the spirit of Koppert: a pioneering company that was not only the first to introduce a predatory [...] Certainty for a sustainable future “ Nothing beats original ” is not just a slogan but a philosophy that lives in every detail of the work of people like [...] saw the effect of predatory mites on a crop, I was amazed. Seeing how a plant remained healthy and vigorous thanks to these tiny allies was a revealing experience

• Treatment of bumblebee stings and allergies

  event of a fever occurring or a grade 1 reaction, contact a GP. The decision can be made to keep an eye on the situation and see how things go. A period [...] injected venom develops. The response to a bumblebee sting can differ per incident. The stinger of a bumblebee or a wasp has no barbs. This means that the [...] Usually a bumblebee sting leads to a non-allergic , local reaction: swelling, itchiness and redness at the site of the sting, lasting for only a couple

• A life-long passion for predatory mites

  October 8, 2024

  mites?’ he asks with a smile. Koppert has been producing commercial quantities of predatory mites for more than half a century and is a global leader in this [...] large eggs that weight about 20% of their body weight. And they do this 4 to 5 times a day. This means that they have a voracious appetite for pest insects [...] packaging and transportation of this increasingly effective solution for biocontrol of specific pest infestations. In recent years, one of the most successful

• Supplementary Feeding for Biological Control: A Complete Guide

  July 24, 2024

  tly be a source of pesticides or heavy metal contamination to your crop if the product is not from a reliable source that tests all batches of pollen released [...] met, supplementary feeding can establish a larger population of beneficials than without, ensuring higher levels of pest protection in your crop. Typical [...] Thereby increasing their fecundity, rate of development, and overall survival, ensuring a larger, more stable population of biocontrol that will persist longer

• Unauthorized Sellers: A Notice to Our Loyal Customers

  May 7, 2024

  normally be a problem, however almost all of our products need to be used within 1-2 days after receipt from us. Storing any products for any length of time, [...] will have a negative effect on quality and function. If needed sachets can be stored for 1-2 weeks from the week number noted on the product, in a dark place [...] like this: 05520DI U415 4E/15 Wk 19/20 This shows that this specific batch of sachets should only be stored/sold during weeks 19/20. After these weeks,

• Get Rid of Thrips Naturally Using Predator Mites!

  May 21, 2024

  decrease the possibility of a large infestation from developing. Remember, thrips pose a significant threat to a wide range of plant species throughout [...] Swirski’s higher level of reproduction, and Thripex has a lower cost per mite. Note: Only place one generalist predatory mite in your crop at a time. Swirski and [...] (Frankliniella intonsa) all of which can be controlled by predatory mites . The primary predatory mites for the control of thrips are Swirski (Amblyseiulus

• Transforming crop protection: the rise of predatory mites

  July 21, 2025

  It all started with a stick, a spider nest, and a curious boy exploring the Andalusian countryside. From a young age, José Eduardo Belda (Innovation Manager [...] entomology and, eventually, a pivotal role in shaping the course of biological control in Spain. A passion for insects – and a new beginning in Almeria After [...] part of that.” The Swirskii breakthrough that changed everything One of his earliest and most impactful projects at Koppert was the introduction of Amblyseius