• Green apple aphid

  populations to build quickly during spring. Population growth Several generations develop throughout the growing season, typically four to six generations [...] The first generation usually appears three to four weeks after egg hatch. Winged adults periodically disperse to nearby trees, establishing new colonies and [...] What is green apple aphid? The green apple aphid (Aphis pomi) is a common aphid species in apple orchards. Both nymphs and adults feed on young leaves

• Apple scab

  support. Management should aim to limit primary (ascospore) infections in spring and reduce overwintering inoculum to prevent severe epidemics. Cultural [...] management, regular monitoring, and integrated management measures are essential to limit disease development and protect fruit quality and tree health. Damage [...] symptoms of apple scab Typical symptoms of apple scab include: Olive-green to dark brown velvety spots on leaves Brown or black lesions on developing fruit

• Sciarid flies

  ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black [...] constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly [...] living plant material. The adults prefer humid habitats and are attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition

• Pear rust mite

  and can lead to severe fruit russeting and leaf bronzing. This directly reduces fresh-market fruit quality and can downgrade a premium crop to processing [...] and at the base of young twigs. Spring development As buds begin to open, mites migrate to young leaves and shoots, where they feed, reproduce rapidly, and [...] peak summer, pear rust mites can complete a generation in as little as 1-2 weeks, allowing several generations to develop throughout the growing season.

• Shore fly

  on green algae. However, they can transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or [...] following stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white [...] adult shore fly is black, about 4 to 5 mm long, and stout with short antennae and short legs. The head of the adult has a pair of conspicuous eyes. The wings

• San José scale

  yield. The insect is protected beneath a characteristic circular, grayish scale, making infestations difficult to detect during the early stages. Early [...] Early monitoring and preventive management are therefore essential to prevent populations from building up. Learn more Damage symptoms of San José scale Typical [...] stage The crawler stage is the only mobile life stage and the most vulnerable to control. Crawlers disperse across the tree, settle on suitable plant tissue

• Mealybugs and scales

  leads to sooty mould. Infestations reduce plant vigor, fruit quality and overall yield. Effective control of mealybugs and scales is essential to maintain [...] ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small population can thus cause considerable loss of [...] patches to appear on leaves and fruit. This can eventually kill the leaf. Life cycle of mealybugs & scales Mealybug & scale control videos Take a look at

• Earth Day 2023

  April 21, 2023

  together to celebrate Earth Day – a day dedicated to raising awareness about environmental issues and promoting sustainability. It's a time to reflect on [...] planet and to take action to protect it for future generations. At Koppert, we believe that caring for the earth is not just a responsibility, but a way of [...] footprint. We encourage everyone to join us in taking action to create a more sustainable future for generations to come.

• Aphids

  Some species of aphids can cause leaves to curl or twist as they feed on the plant sap. How to prevent aphids To prevent aphid infestations in crops, you [...] form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the [...] ion. They may also excrete a sugary substance called honeydew, which can attract other insects and lead to the growth of a black sooty mold. Aphids life

• Thrips

  larval instars, a pre-pupa and a pupal instar, and finally the adult insect. The eggs are kidney-shaped and have a white or yellow shell. Before a female deposits [...] of hairs. How to prevent thrips Preventing a thrips infestation in your greenhouse crop involves several strategies. Firstly, it's important to maintain [...] the pest is present. Thrips control videos Take a look at the video or go to our Youtube channel to see our thrips control products in action. More thrips