• Codling moth

  Later, the developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head [...] appearance of Codling moth The adults have a wing span of 15-22 mm, blackish-brown forewings, suffused with ash-grey and a large, metallic, bronzy black ocellus [...] head and a pale anal plate. The pupa is 8-10 mm long and yellowish brown to dark brown, with several hook-tipped bristles at the tip. In Europe, the first

• Apple collar rot

  are spores with flagellae, which enable them to move through water. Infection is usually from the root to the foot, but direct infection of the foot also [...] grows into the stem and on the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia are formed, that [...] wetness is required. Dispersal by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens via water

• Wheat bunt

  the whole kernel becomes a bunt ball full of teliospores. These balls break during harvest allowing the teliospores to fall to the ground. Additionaly, [...] e of around 6 to 7 °C during that period. Soil moisture between field capacity and permanent wilting point is best for infection. How to prevent Wheat [...] healthy kernels, which in turn become a source of disease in the next season. Infection is strongly correlated to temperature and precipitation in the first

• Chrysanthemum

  ( Chrysanthemum spp. ), also called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family of Asteraceae. The plant [...] species derive from East Asia. Especially in China a wide range of varieties and cultivars has been developed for commercial propagation and production. The [...] look like daisies or pompoms or buttons. This particular genus consists of many hybrids and an extensive range of cultivars that are produced for commercial

• Precautionary measures for product allergies

  within just a few weeks of the first moment of contact, or could take years to appear. Not everyone who is exposed to allergens will develop an allergy [...] ingestion To prevent exposure via inhalation and ingestion, we recommend wearing respiratory equipment with a P3 filter as a minimum, but preferably a full [...] may not be used to diagnose or treat a health-related problem, as it is not a substitute for medical care. If you have or suspect you have a health problem

• Beetles

  habit. A number of species are a serious pest in crops or stored products. There are many useful beetles as well. For instance, ladybirds contribute to the [...] The pupae do not make a cocoon and will already display many similarities with the adults. The adult beetles usually possess a pair of membranous wings [...] Life cycle of beetles Beetle control videos Take a look at the video or go to our Youtube channel to see our beetle control products in action. More beetle

• Phytoseiulus persimilis

  the earlier development stages only feed on smaller prey stages. The larvae do not eat. They develop quickly to protonymph and then start to feed on spider [...] are usually deposited close to, or in a spider mite colony. They are approximately twice the size of spider mite eggs and a transparent light pink when [...] supply, an adult female consumes up to five adult spider mites or 20 young larvae or eggs per day. Because the development rate of the predatory mite is roughly

• Cotton aphid

  Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess [...] population. Large individuals (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies at a high temperature can be much [...] and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early

• Aphipar

  generation of parasitic wasps develops inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the [...] site for at least a few days Dosage The dosage of Aphipar depends on climate, crop and aphid density and should always be adjusted to the particular situation [...] /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

• 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 [...] i prefers mealybugs, this species is known to be a polyphagous predator. Sometimes other insects related to mealybugs are eaten, such as soft scales or [...] the ladybirds fly off in search of new prey. Sometimes the larvae resort to cannibalism under these conditions. At a temperature of 21°C, during the whole