Cottony cushion scale

months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves. The next two instars migrate to the larger twigs and branches [...] blocking the stomata and impeding gas exchange. Sooty moulds grow on the honeydew, blocking the light from the leaves and reducing photosynthesis. Also [...] running lengthwise over the surface. The ovisac may reach the same length as the body, giving an overall combined length of up to 20 mm. The 'females' are actually

Swirski Ulti-Mite

in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] reproduce within the sachet and gradually disperse into the crop over a period of several weeks. Using their piercing mouthparts, they feed on prey by extracting [...] predatory mites Dosage The dosage of Swirski Ulti-Mite depends on climate, crop and pest density and should always be adjusted to the particular situation

Thrips

causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop [...] in green-houses belong to the family Thripidae. Thrips damage Thrips cause damage to the plant by piercing the cells of the surface tissue and sucking [...] crop. At a later stage, the empty cells become desiccated and the adjacent cells turn brown. The vigour of the plant is also reduced by loss of chlorophyll

Black root rot of cucurbits

line on cucumber roots. The lesions are slightly sunken and are mostly formed around the point of attachment of lateral roots and root hairs. The lesions [...] a few of the roots but in severe cases all roots may be infected. At the final stage of the disease, only vascular tissue remains because the cortex (outer [...] at 10 °C the lesions are light-brown. The lesions can be enclosed by pseudostromata: dark coloured tissue that looks like black stripes. The disease is

Enermix

carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] in the crop, if possible approximately 75 cm under the plant head Avoid to hang cards at places exposed to direct sunlight Dosage The dosage of Enermix [...] or until control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Ercal. Consult a Koppert advisor

Precautionary measures for product allergies

an allergy. On this page, we advise you on the precautionary measures you can take to prevent or reduce any allergic reactions caused by the type of products [...] concerns the predatory mites , feeder mites, and supplementary feeding products sold by Koppert. Icons on the product packaging show you the precautionary [...] plastic bag. Moistening the clothes in the bag prevents allergens and other particles from dispersing in the air when you open the bag. Possible allergic

Guava

A vivid yellow or green on the outside, Psidium guaiava, is the fruit of the Myrtle family (Myrtaceae) – a smallish tree. The pulp varies from off-white [...] off-white to bright pink, and is between 4 to 12 cm in length. The taste ranges from tart to very sweet.

Strawberry

means that the fleshy, edible part of the fruit does not develop from the plant’s ovaries, but from the receptacle that holds these same ovaries. The so-called [...] so-called ‘seeds’ (achenes) that are visible on the strawberry’s skin, are in reality the ovaries of the flower with a seed inside. [...] well-known hybrid species of the genus Fragaria (collectively referred to as the strawberries). Technically speaking, the strawberry is a so-called aggregate

Leaf miners

lost before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of [...] belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants [...] parts of the world. Under natural conditions, the larvae of these species are parasitized by parasitic wasps and so cause few problems. However, the use of

Spical-Plus

multiply in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts and suck out the contents [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] predatory mites Dosage The dosage of Spical-Plus depends on climate, crop and pest density and should always be adjusted to the particular situation. Start