• Miglyphus

  using the dead larvae as food. Adult females also kill young leaf miner larvae by using them as a food source. This is known as host feeding. Visual effect [...] should always be adjusted to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates typically [...] at weekly intervals or until control is achieved. At low temperatures ( Environmental conditions Diglyphus isaea is most effective at temperatures between

• Limonica

  Releases should be repeated once or twice, or until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] conditions Amblydromalus limonicus is most effective at temperatures between 13 and 25°C (55 and 77°F). A. limonicus is sensitive to relative humidity below [...] should always be adjusted to the particular situation. Start introduction as soon as the first pests are detected in the crop. Introduction rates typically

• Black leg of seedlings

  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 cycle [...] Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores which are [...] 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

• Capsanem

  the solution as soon as it is prepared and within a short timeframe. Do not store mixed suspensions Dosage Capsanem is typically applied at a rate of 250 [...] Nematodes can be applied using a watering can, an airblast sprayer, through a sprinkler system, with a backpack sprayer, or a vehicle-mounted spray unit To [...] pests in protected and outdoor crops. It is effective in a wide temperature range. Capsanem can also be applied as foliar treatment. Pests Caterpillars (

• Maximize pollination in tomato

  known as bite marks, turn brown. These bite marks serve as indicators to assess the bumblebees' pollination activity. A single visit by a bumblebee is typically [...] closed flowers from different areas. It is essential that all closed flowers exhibit bite marks. Closed flowers offer a precise representation of the pollination [...] number of bite marks diminishes to only one or two per flower, it is advisable to introduce a new bumblebee hive. Temperature and humidity considerations Bumblebees

• Bugs

  holes. The most obvious damage is the deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic substances that [...] control Learn more about What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and [...] leading to deformation, discoloration, and yield loss. Effective bug control is key to maintaining healthy, high-quality crops. Biological control of bugs

• Impatiens thrips

  mostly been able to spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition [...] the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel. Echinothrips americanus is often found [...] General Impatiens thrips (Echinothrips americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last

• Chrysanthemum

  Traditionally, yellow is the main colour of this flowering plant. Nowadays, a wide range of other colours is available such as white, purple and red. [...] called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family of Asteraceae. The plant is originally from Asia and [...] majority of the different species derive from East Asia. Especially in China a wide range of varieties and cultivars has been developed for commercial propagation

• Yellow rose aphid

  hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves. Retarded growth and defoliation reduce yield. Plant sap is rich in [...] the same time, photosynthesis in the leaves is reduced, affecting production. The yellow rose aphid is also a vector of several viruses attacking strawberries [...] yellow rose aphids have a brownish head; the body is bright yellow to yellow-green or green and rather shiny. Winged aphids have a bright green abdomen with

• Cryptobug

  temperature for use of Cryptobug is 16°C/61°F. However, as Cryptolaemus montrouzieri favors high temperatures, Cryptobug is most effective at temperatures [...] be made in infested areas only and repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] grape mealybug combine with Citripar. Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2