• Onion fly

  nematodes is important. The soil must be damp, bright sun must be avoided, as well as a lot of wind otherwise the product dries up too quickly. So, spraying [...] What is Onion fly? The onion fly ( Delia antiqua ), also referred to as the onion maggot, is a frequent pest that harms allium plants, including leek, [...] the most obvious signs of onion fly damage. Small tunnels made by the larvae as they feed can also be seen in the bulbs. The bulbs may occasionally soften

• Leek

  (so-called ‘trenching’). The plant is usually sold as a small seedling and planted in a greenhouse. Later on, as weather permits, the leek is planted outside [...] used to identify various species of leek, but now they are all classified as cultivars of Allium ampeloprasum . The part of the plant that can be eaten

• Raspberry

  About The raspberry ( Rubus idaeus ), also referred to as red raspberry or occasionally as European raspberry to distinguish it from other raspberries [...] North America, the variety Rubus idaeus var. strigosus , is usually regarded as a distinct species, namely the Rubus strigosus (American Red Raspberry). However

• Whitefly

  by the stiff hairs. As soon as the red eyes of the adult whitefly are visible in the fourth larval instar, the stage is referred to as a ‘pupa’. The different [...] hold their wings in a vertical position over their body when at rest. Color: As their name suggests, whiteflies are usually white or pale yellow in color [...] stunted. This is because the insects are drawing nutrients away from the plant as they feed on its sap. Sticky residue: Whiteflies excrete a sugary substance

• Black vine weevil

  pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate and sub-tropical [...] light brown, bent hairs. Overwintering occurs in the larval stage, usually as medium sized instars. Once the temperature rises, the larvae become active [...] weevils consists entirely of females and reproduction is by parthenogenesis. As vine weevils cannot fly their dispersal ability is limited compared to many

• Neoseiulus californicus

  should always be adjusted to the particular situation. Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically [...] adjusted to the particular situation. Start introduction preventively or as soon as the first spider mites are detected in the crop. Use at least 4,000 sachets [...] californicus prefers spider mites it can also feed on other food sources such as other mites, thrips or pollen. This predatory mite is more tolerant of higher

• Turnip

  The turnip ( Brassica rapa subsp. rapa ) or white turnip can be categorized as a root vegetable. Turnips are usually produced for its white and bulbous taproot [...] turnip are suitable for human consumption. The larger varieties usually serve as animal fodder.

• Trichoderma harzianum

  antagonistic effects on plant pathogens, such as fungi, bacteria, and nematodes. Trichoderma harzianum is often applied as a biocontrol agent to protect crops against [...] capacity to make certain 'fixed' nutrients such as manganese and iron available for the plant to absorb. As a result, it provides a natural and environmentally [...] attacks of pathogens. Applications with Trianum-P or Trianum-G should start as early as possible, at the moment of sowing or transplanting. For transplanted crops

• Beneficial nematodes

  referred to as roundworms, threadworms, and eelworms. Beneficial nematodes for pest control Nematodes for pest control, often referred to as entomopathogenic [...] What are nematodes? Nematodes, commonly referred to as roundworms, are a diverse group of worms belonging to the phylum Nematoda. Nematodes are characterised [...] nematodes or beneficial nematodes, are microscopic roundworms that serve as natural agents for biological pest control . Beneficial nematodes are highly

• Diglyphus isaea

  should always be adjusted to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates typically [...] Eulophidae within the order Hymenoptera . It is widely recognized for its role as a biological control agent for leaf miner control. Its ability to effectively [...] pests: Leaf miners The parasitic wasp Diglyphus isaea is available at Koppert as Miglyphus Diglyphus isaea products Miglyphus Expand all items How to use Diglyphus