• Sustainable cultivation goes much further than pests and natural enemies

  April 19, 2018

  chemical products are becoming less effective, their residues are a threat to food safety, and both chemicals and artificial fertilizers are products of the [...] industry which relies on mineral oil. ‘And we all know that mineral oil is a finite natural resource and that there are already restraints on its use due partly [...] product like Trianum. We are also making very good progress with the use of the NatuGro natural nutrients. However, there are still many interactions between

• Vine mealybug

  this mealybug is mostly found on grapevines, but also on figs and pomegranates. Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs [...] adult. The eggs are golden-yellow in color and are deposited in an cottony egg sac (ovisac) containing from 300-500 eggs. The nymphs are very similar to [...] honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy secretion of the

• Long-tailed mealybug

  honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy secretion of the [...] prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant [...] often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must therefore ingest large quantities

• Precautionary measures for product allergies

  Which products are of concern? This concerns the predatory mites , feeder mites, and supplementary feeding products sold by Koppert. Icons on the product [...] and precautionary measures Depending on the way in which you are exposed to the substances in these products, there are specific precautionary measures you [...] products. If you are not allergic, but come into close and prolonged contact with certain substances, you could still develop an allergy. On this page, we

• Obscure mealybug

  sometimes encountered on tomato, primarily at the foot of the stalk. In an overhead wire system of cultivation, the mealybugs are often located on the horizontal [...] instar nymphs are yellow-brown and not yet covered with wax. They are actively mobile and known as ‘crawlers’. Second instar nymphs are darker and less [...] layer of wax, the filaments around the body are longer (20-50% of the body size) and the two tail filaments are always markedly longer than the others. The

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• ‘Knowing & recognizing’ now available in 4 languages

  May 23, 2018

  Koppert communications specialist, Jan Piet Bak. ‘Our biological solutions are sold worldwide, so it’s important that information concerning the prevalent [...] of the latest information, dozens of illustrations on the life cycles of insects and 700 photographs on the most prevalent pests, diseases and their natural [...] recognizing’ – Koppert Biological Systems’ revised and updated reference book on pests, disease and their biological solutions – has been translated into Dutch

• Ahold Delhaize: ‘We can't sell anything without substantiated information’

  November 26, 2018

  sector are sold under our labels and brands in the shops. We need to be able to provide consumers with information about the product and show how they are [...] ‘Ahold Delhaize wants to firstly understand what the issues are for the ornamentals sector and how improvements can be made. With twenty supermarket chains [...] transparent, environmentally friendly, and focused on reducing emissions. Their own motivations and ambitions are also an important factor to us.’ Information

• Citrus mealybug

  species of mealybug feed on the aerial parts of the plant, some species extract their nourishment from roots, whilst others are gall-formers. A few species [...] honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy secretion of the [...] females of Planococcus citri are 2.5 - 4 mm long and 2 - 3 mm in breadth. Seen dorsally, they have an oval form; they are soft and covered with a fine

• Biological solution against green shield bug

  June 23, 2021

  this pest is challenging and chemical products are often used for this purpose, out of necessity. We are therefore thrilled that we have a biological solution [...] aubergine and cucumber greenhouses in southern Europe. This pest is also gaining ground in heated, high-tech greenhouses in north-western Europe and central [...] conventional synthetic chemical pesticides. However, these have adverse effects on the populations of beneficials that work against other pests such as thrips