• What is Biological Control?

  September 15, 2020

  disturbed because there are either no natural enemies, or they are not effective enough to keep the balance. These organisms then become pests which need [...] scale which occurred in citrus plantations where they were started. Since effective natural enemies were not available, it became a worldwide pest. In 1888 [...] amounts of pesticides were sprayed before people became aware of the adverse effects on both their health and the environment. It was in the late sixties that

• Predatory Mites Whitepaper

  predation/development, insufficient effect; ++ some development/effect but limited; +++ sufficient control effect/development; ++++ very good control/ [...] ) more effective at lower densities of spider mites. At higher densities P. persimilis is the best option. • N. californicus is more effective on spider [...] with temperature. After the maximum is reached, development declines sharply (Fig. 1). How to read: N. californicus is most effective between 15°C and 32

• Koppert Involved in New Project Aiming for Sustainable Control of Poultry Red Mite

  June 4, 2019

  to have long-lasting effects. This should result in the majority of poultry farmers being aware of IPM strategies 10 years after the project ends. As of

• Ten need-to-know facts about caterpillars

  June 28, 2023

  over the world. Their preferred place to reproduce is in protected crops – after all, it’s usually warmer inside than outside. The caterpillars of the butterflies [...] butterflies and moths can do a lot of damage to these crops, so effective control depends on early identification. The following are absolute must-knows [...] In addition to pheromone decoys, there are more biological methods to effectively fight butterflies and moths, such as nematodes and predatory bugs . R

• Trianum-P Improves Open Field Pepper Production in Portugal

  June 29, 2021

  Trianum's Seven Benefits Condition of the Crop the best Indicator of the Effect of Trianum Trianum-G Prevent & Control Soil Borne Diseases Trianum, Koppert's [...] results obtained with Trianum make Koppert's biological fungicide a safe and effective alternative to pesticides in vegetable crops for the processing industry [...] for the processing industry in Portugal is exported to other countries after undergoing different processes such as freezing or cooking. The main vegetable

• Why Is Thrips parvispinus Changing the Rules of the Game?

  September 8, 2026

  economic damage. In some situations, crop injury becomes noticeable only after populations have already become established. Part of the challenge comes [...] level. Apply corrective measures. For many pests, this approach can be effective. For Thrips parvispinus , however, that window of opportunity can be much [...] is no single "silver bullet" solution for managing Thrips parvispinus . Effective programs require an integrated approach that combines multiple tools and

• In Search of the Relationship Between NatuGro and Nitrogen Release

  February 18, 2020

  Trichoderma harzianum T-22 Trianum-P Trichoderma harzianum T-22 One of the effects of NatuGro is increased absorption of nutrients, including nitrogen. However [...] are less optimal than in the Netherlands, for example, and the stimulating effect of NatuGro is therefore automatically greater. As a result, the successful [...] absorb too much nitrogen? And can we prove that nutrient absorption remains effective and that levels of production and fruit quality remain unchanged with lower

• How a little predatory mite laid the foundation for biocontrol today

  June 5, 2024

  greenhouse where, after a number of hurdles, the predatory mite began to show promise. ‘My father had given up on chemical agents as their effect had diminished [...] about what he was doing in his greenhouse. At first they were sceptical, but after repeated introductions of the predatory mite, my father began to show some

• How do you identify a ‘thrips intruder’?

  September 20, 2021

  Most growers know when there are thrips in their crop. After all, there are not very many tiny, slender insects that look like thrips . More difficult [...] problem you are dealing with, as choose the best solutions to control it effectively! Contact us

• Pollination checklist Growing lights

  lower in the greenhouse. 13:00 Vertical placement will have a negative effect on the development of the hives. 10:00 1! Bumblebees need max. 2 hours [...] colonies for plant rows longer than 100 meters. 01:00 Flowers open 1 hour after the lights are turned on 02:00 00:00 Daylight From week 47 until week 52