Grey mould

Botrytis cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause death of the plants. In cucumber and tomato the fungus [...] fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil [...] plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In cucumber: remove dead

Crazy roots, hairy roots, crown gall

caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue [...] growth (crazy roots). In greenhouse vegetables, the roots overgrow the substrate and in severe epidemics the drippers get clogged. In tomato, excessive vegetative [...] disinfection of tools, drippers, gutters etc. Adjust the work order in greenhouses to fit with the hygiene protocol Disinfect the nutrient solution in order to

Using Capirel for healthy fruit orchards

Loubejac is a fruit grower in Moissac in the Tarn-et-Garonne, region of France. Here he grows organic apples on 5 hectares used for baby compotes, and plums [...] finally, we complete the volume of water to correspond with the quantity of nematodes,’ Michel explains. ‘It’s easy to dilute in this way.’ Michel says it is [...] a broad spectrum of agricultural crops that includes fruit, berries and outdoor vegetables, among others. Using beneficial nematodes in apple Michel Loubejac

Gummy stem blight

tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease downwards [...] the leaves Pick flowers within two days after opening in areas suspected of disease (only feasible in high-wire crops) Pick and remove dead and diseased leaves [...] causes gummy stem blight. Life cycle and appearance of Gummy stem blight Mycosphaerella cucumis survives in crop debris and produces the sexual ascospores and

Application products

Application products

About Koppert

About Koppert

Manual Growing lights

account the angle of the sun and the presence of a sidewall screen for placement of hives. To make sure bumblebees only fly around in the greenhouse at [...] during the winter months. Keep in mind that growing lights produce a lot of heat, and can therefore influence the local climate in the greenhouse. This can lead [...] spectrum for foraging, but do not see in the red light spectrum. Conversely, humans do see in the red light spectrum but also in the green and blue light spectrum

Podcast with Tech On Demand: A Biological Approach to Spring IPM, featuring Koppert’s Heidi Doering

Category: Press release Date published: March 06, 2025 Podcast with Tech On Demand: A Biological Approach to Spring IPM, featuring Koppert’s Heidi Doering

Phil Gerry Featured On Fall IPM Podcast

Category: Press release Date published: July 05, 2025 Phil Gerry Featured On Fall IPM Podcast

Citrus mealybug

an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics and sub-tropics [...] can also appear in cucumber, melon and aubergine. Life cycle of mealybugs Life cycle and appearance of Citrus mealybug Adult females of Planococcus citri