• Citrus mealybug

  January 1, 1970

  but low in proteins. In order to gain an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess [...] secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced [...] reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs is sufficient

• Green peach aphid

  January 1, 1970

  to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky [...] families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can [...] from the plant 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

• Spotted Wing Drosophila

  January 1, 1970

  unripe fruits. The larval development takes place in the fruit. The larvae pupate either fully or partly in the fruit, or outside the fruit on the ground. [...] tubes which stick out of the fruit. There are three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii [...] Larval feeding in the fruit leads to fruit tissue collapse. Even if the fruits have not collapsed, the occurrence of larvae within the fruit makes them

• Spider mites and other mites

  January 1, 1970

  and the availability of food. Here's an overview of the life cycle of plant mites: Egg: The life cycle begins with the female mite laying eggs. The eggs [...] are often found in colonies on the undersides of leaves, where they feed on the plant's sap. The damage caused by plant mites can result in discolored or [...] on of the leaves, with the affected areas curling and twisting. This damage is caused by the mites feeding on the plant tissue, which disrupts the growth

• Poinsettia Cultivation Has To Apply IPM

  June 27, 2019

  differences between the various supermarket chains in the UK, but in general they are highly critical of their suppliers and the quality of the products. Dutch [...] here in the Netherlands and other countries in Europe. The use of the flower in Christmas floral displays makes it a sustainable market, as Dutch growers [...] regardless of the sales market. Now is the time to make the transition. ‘Those who wait too long to make a change will be sidelined in the future.’, says

• Biodiversity: Research into our positive impact on nature

  May 22, 2022

  due to the loss of habitats, the use of pesticides in agriculture, acidification of our soil, and climate change. Biodiversity is the foundation of all life [...] policy is in potential very beneficial for the market position of biological control industry. However, in practice the market introduction of our solutions [...] ‘Explaining the positive impact Koppert has on biodiversity is of vital importance to secure the market position of biological solutions within the industry

• Shore fly

  January 1, 1970

  appearance of Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly [...] very commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed [...] their body is cylindrical. The larvae are found in the top layer of damp soil, where they also pupate. The adult shore fly is black, about 4 to 5 mm long

• Cryptolaemus montrouzieri

  January 1, 1970

  effective in controlling large populations of mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search of new prey. [...] citrus mealybug and the long-tailed mealybug . The predatory beetle Cryptolaemus montrouzieri is used for the control of the following pests: Mealybugs : e.g [...] than 25 second and third instar mealybug nymphs. The larvae of the late third and fourth in stars are the most voracious, consuming up to 30 mealybugs per

• Aphidoletes aphidimyza

  January 1, 1970

  available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the plants [...] predator, as well as the size of the prey. Life cycle of Aphidoletes aphidimyza Growers can recognize the different life stages of the gall midge Aphidoletes [...] starts predigestion of the body contents. The larva then sucks out the body fluids, leaving the dead aphid hanging by its snout from the leaf to turn brown

• En-Strip

  January 1, 1970

  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 the [...] whitefly ( Bemisia tabaci ). Mode of action Adult female parasitic wasps parasitize the third and fourth larval stage of the whitefly . Additionally, host [...] better to switch to the use of Enermix or Ercal . Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for