• Gummy stem blight

  General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in [...] round and 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 [...] 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

• Amazone Plants continues the path of organic cultivation

  market. Biological plant protection is an additional pillar that supports this position. ‘This type of plant protection is a godsend for us.’ Amazone Plants [...] longer period. This means that there is always a strong population in the greenhouse crop and control of the thrips is maintained at the right level. The [...] midge, which, according to Lex Scheffers, is very effective. The predatory soil mite and thrips predator Macro-Mite is also used to combat the eggs of the

• Damping-off

  General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress [...] irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in [...] substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life

• Loose smut of wheat

  General Ustilago nuda f.sp. tritici is a basidiomyceteous fungus that affects wheat. It is also known as loose wheat smut, or loose smut of wheat. Damage [...] tritici remains invisible until head emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains

• Rhyzobug

  effect Small scales are consumed entirely. In larger scales feeding damage is visible as irregular holes in the scale cover. Pack size 500 adults. Presentation [...] scales are detected in the crop. Releases should be repeated until control is achieved. Consult a Koppert advisor or a recognised distributor of Koppert

• Apple scab

  General Venturia inaequalis is an ascomycete fungus that causes apple scab disease Damage symptoms Venturia inaequalis causes apple scab disease, which [...] fruits and leaves may fall off prematurely. The plants’ defence mechanism is to produce corky rings around the lesions to prevent further invasion of tissue [...] ascospores are wind-dispersed to the fruit trees and will germinate if free water is available. They infect the plant by direct penetration of the cuticula and

• Cottony soft rot

  General Sclerotinia sclerotiorum, also known as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms [...] infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside [...] source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent Cottony soft rot Practice dry cultivation/be

• Cryptolaemus montrouzieri

  beetle Cryptolaemus montrouzieri is a species of beetle belonging to the family Coccinellidae. The beneficial insect is a small but highly effective predator [...] use of Cryptobug and Cryptobug-L is 16°C/61°F. However, as Cryptolaemus montouzieri favors high temperatures, Cryptobug is most effective at temperatures [...] the long-tailed mealybug . The predatory beetle Cryptolaemus montrouzieri is used for the control of the following pests: Mealybugs : e.g. citrus mealybug

• Ephedrus cerasicola

  cerasicola Ephedrus cerasicola is a parasitic wasp that belongs to the family Braconidae and subfamily Aphidiinae. This natural enemy is used for the control of [...] Ephedrus cerasicola is used for the control of the following pests: Wide range of aphids The parasitic wasp Ephedrus cerasicola is available at Koppert [...] items How to use Ephedrus cerasicola The parasitic wasp Ephedrus cerasicola is available in a bottle ( Aphiscout ) Peel off the outer layer of the label

• Praon volucre

  volucre Praon volucre is a parasitic wasp that belongs to the family Braconidae and to the subfamily Aphidiinae . Praon volucre is one of the most abundant [...] Praon volucre is used for the control of the following pests: Potato aphid ( Macrosiphum euphorbiae ) The parasitic wasp Praon volucre is available at Koppert [...] Expand all items How to use Praon volucre The parasitic wasp Praon volucre is available in a bottle ( Aphiscout ) Peel off the outer layer of the label