• 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

• Box tree moth

  death of the tree. As the tree is extensively traded within Europe, the box tree moth ( Cydalima perspectalis ) poses a serious threat as invasive species [...] symptoms include webbing of the branches with frass and residues of moulting such as black head capsules of different sizes. Life cycle and appearance of Box tree [...] dots and hairs and a black head. Depending on environmental conditions such as day length, temperature and food source the larvae pass through five to seven

• Glasshouse potato aphid

  in particular. These aphids further affect ornamental crops, such as begonia, as well as potato, lettuce, beans, aubergine and sometimes tomato. Damage symptoms [...] variety in colour. When reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly

• Aphids

  depending on the conditions. Wingless adult aphids are known as apterous, and winged adults as alate. Alate aphids have two pairs of wings, one of which is [...] characteristics, such as colour forms, or resistance to pesticides, remain unchanged and unsorted. The young aphids are born as developed nymphs and begin [...] large part of the season an aphid population consists of viviparous females. As reproduction is asexual, the progeny of a single female is genetically identical

• 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

• About bumblebees

  drones. As temperature rises and the spring season emerges, the new bumblebee queen awakens. She will start foraging for pollen and nectar, as well as search [...] pollen and nectar to provide resources for the brood as well as perform maintenance jobs on the nest. As the nest continues to develop, the queen will not [...] many more blooms per minute Bumblebees are safer for you and your employees as they are much less aggressive than honeybees Production of bumblebees The

• 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

• Limonica Ulti-Mite

  adjusted to the particular situation. Start introduction preventively or as soon as the first pest mites are detected in the crop. Use at least 3,000 sachets [...] necessary precautions. Precautionary measures Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2

• Aphidoletes aphidimyza

  should always be adjusted to the particular situation. Start introduction as soon as the first aphids are detected in the crop. Introduction rates typically [...] hours, depending on the age and nutritional condition of the predator, as well as the size of the prey. Life cycle of Aphidoletes aphidimyza Growers can [...] the following pests: Aphids Aphidoletes aphidimyza is available at Koppert as Aphidend . How to use Aphidoletes aphidimyza The predatory gall midge Aphidoletes

• Bacterial wilt, brown rot

  irrigation water. Disease incidence is highest when soil moisture is high, such as during rainy periods. When temperature is low, infection may remain latent [...] cuttings, tubers) Disinfect cutting knives and tools Control root rot nematodes as the wounds they make on roots help the bacteria to infect the crop Do not