• Mealybugs and scales

  in ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small population can thus cause considerable [...] fruit quality and overall yield. Effective control of mealybugs and scales is essential to maintain healthy and marketable crops. Biological control of [...] detection and population monitoring. With Koppert’s biological solutions for mealybugs and scales, professional growers can achieve effective pest management

• Municipality Venray: biological control of oak processionary caterpillars

  benefit of Entonem is that nematodes kill fewer other caterpillars , which means they are less harmful to biodiversity. This is something that is high up on the [...] 000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as a curative measure against the oak processionary caterpillar for several years [...] positive. ‘The trees that we have treated have been 90% cleared. What is interesting is that avenues running east to west are typically free of oak processionary

• Bumblebee pollination

  What is bumblebee pollination? Bumblebee pollination is a vital and efficient process for growers seeking high-quality crop yields. As natural pollinators [...] between trees and rows while pollinating. This benefits cross pollination which is often required in various fruit or seed crops. Bumblebees are active from [...] Ready for tomorrow’s challenges Pro-active research and collaboration with a number of scientific institutes and universities ensure we are geared for the

• Long-tailed mealybug

  l regions, but these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is less extensive than that of the [...] defoliation. The overall effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low [...] In ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small population can thus cause considerable

• Gummy stem blight

  extending lesions may occur. In cucumber, the most important symptom is internal fruit rot, which can only be recognized from the outside by the small narrowing [...] General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in [...] ascospores and asexual conida simultaneously. The spores germinate when free water is present on the plant, at high relative humidity (RH) and on wounds. Leaves

• Aphidius colemani

  Aphidius colemani is a parasitic wasp used for biological pest control . This species belongs to the Braconidae family and is primarily known for its effectiveness [...] products for advice on the best strategy for your situation. Best conditions for use of Aphidius colemani The parasitic wasp Aphidius colemani is most effective [...] abdomen that is shorter than the wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as the wings, is equipped with

• Flowering potted plants

  species are: Poinsettia is well known and popular for its large red, white and green leaves, especially around Christmas. Begonia is a perennial flowering [...] Kalanchoe is a tropical, succulent flowering plant and a genus that consists of about 125 species belonging to the family of Crassulaceae . Hibiscus is well [...] well known for its large, ornate flowers which are trumpet-shaped. These flowers have five or more petals and their colour varies from white to pink, red,

• Caterpillar control with nematodes

  harmful residue on crops, which make them safe for the growers who handle them and the people who consume them. Efficacy of nematodes for controlling caterpillars [...] leaf surface for many hours to several days. Correct application for best results To ensure the best results, spray when: Relative humidity is high (> 75%) [...] 75%) continuously for several hours after application Temperature is ideally within optimal range of 13 – 30 °C. Solar radiation is low Usually evenings

• Trianum effectively controls Pythium in cucumber

  every day, which makes it susceptible to Pythium. A very acceptable level Kees grows Rijk Zwaan’s variety Skyson RZ, which has a lot of vigour and is suited [...] bigger impact on the beneficials than on the thrips, which means I need to be alert. The same goes for caterpillars , since there’s essentially only one [...] Phythium at a very acceptable level. Treatment with Trianum is easy, requires very little labour, and is reasonably priced.’

• Cotton

  cotton boll, a protective casing for the seeds of the cotton plant, is soft and fluffy and is the source of the fibre which is spun into thread and woven into [...] Gossypium and are part of the mallow family Malvaceae . Cultivation conditions for this important cash crop require plenty of sunshine (no frost), moderate rainfall