• Biological solutions offer multiple benefits

  November 8, 2022

  years gathering experience in the development and use of sustainable solutions in the agricultural industry in other parts of the world, including various [...] use of chemical pesticides by current and potential customers by a tenth by 2030. ‘Amongst other things, this will help to improve biodiversity and tackle [...] change. And in this regard, we know how to put our mission into practice: Koppert wishes to contribute to better health of people and the planet and, in partnership

• The How and Why of IPM

  June 7, 2022

  their attackers, and the natural enemies are of crucial importance. There's a kind of triangular relationship, and each of the three sides of the triangle [...] same amount of attention: You strengthen and protect the crop. You tackle diseases and pests. You strengthen and protect the population of natural enemies [...] significantly in their susceptibility to pests and diseases. And that goes beyond the resistances they have in their genetics. The difference in leaf tissue

• Trianum effectively controls Pythium in cucumber

  Trianum, levels of Phythium have decreased dramatically. Up until 2019, there was a lot of damage and loss of production at the end of cultivation. Whole [...] cucumbers to some major retailers in the Netherlands and occasionally to customers in Germany. Thrips, spider mites, and whitefly larvae under control ‘I [...] developments in technology have gradually shifted my focus in terms of plant protection to biological methods. That’s why I now use fewer and fewer chemicals

• A decade of investing in South African soil

  August 24, 2022

  A decade of investing in South African soil “Adventure!” This is the word that motivated Frank Enthoven, co-founder, and Managing Director, and Ingrid Enthoven [...] Africa for the first time in 1995, the country and its’ people made such an impression on Frank that he returned in 2007. He and Ingrid established their [...] company, Vistaverde, in 2010, and finally started Koppert South Africa in August 2012. Taking to the road, he spent hours, days, months, and years building

• Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

  amongst others. A shortage of carbohydrates could result in poor flowering and fruit set and a lack of root and vegetive shoot growth. In short, carbohydrates [...] they will be utilised by one of the many carbohydrate sinks of a macadamia tree. >> To understand the impact of this, the role of Mg in a macadamia tree must [...] type of soils, satellite imagery of the farm and crops, data from soil moisture probes, and the physical and chemical properties of these soils. By integrating

• Damping-off

  higher temperatures in the soil or irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage [...] irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border between air and soil or [...] typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Damping-off

• Cottony soft rot

  wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium [...] mycelium in dead and living plant material in or on the ground. Sclerotia germinate at temperatures between 4 and 26 °C with an optimum between 13 and 15 °C [...] Germination and infection mostly take place at high soil water content over a prolonged period of time. The sclerotia germinate directly and form mycelium

• Western flower thrips

  patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When [...] vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants, and many ornamental [...] pupa, and finally the adult insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft

• California red scale

  as well as by humans and their tools. In the hours after birth, they disperse over the tree in search of a source of food. When attracted by the light (positive [...] may result in loss of shoots and branches. The fruit can be affected at all stages and may even die. The stem can also be severely infected and appear completely [...] shields, especially in the case of young citrus. Young trees can suffer greatly and die if the branches are lost. Life cycle and appearance of California red

• Macadamia nut borer

  nuts by moving from one fruit to another. This type of damage is small, and trees are able to compensate for damage because of the large volume of flowers [...] Damaged nuts are shed by the tree. Appearance and life cycle of Macadamia nut borer The eggs are laid singly on young fruit and are flat and oval with a pitted [...] spots on the body and the head capsule is brown. The pupa is dark brown and (if pupation takes place in the soil) encased in a cocoon of soil particles.