• Dacnusa sibirica

  not parasitize well on Liriomyza sativae. Life cycle and appearance of Dacnusa sibirica The life cycle of Dacnusa sibirica consists of an egg, a larva, a [...] orientation of the wasp within the host pupa is the same as that of the leaf miner itself, the head of the wasp thus developing where the head of the leaf [...] belonging to the family Braconidae . This insect is known for its role as a biological control agent, particularly in the control of leaf miners of the genus

• Phytophthora blight

  For germination on above-ground plant parts, leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from [...] lesions with vague borders and white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions [...] flagellae which enable them to move through water. Infection is usually from the root to the foot, but direct infection of the foot also occurs. Exudates

• Spidex Vital® sets new standards in spider control

  May 12, 2021

  leaflet to our UK customers,” commented Steve Usher, Technical Consultant for the North. Remarkably, it only requires a white P. persimils to feed on spider [...] early visual indication of the feeding activities of Koppert’s white P. persimils. The Spidex Vital ® formulation is based on a well-fed P. persimils [...] indications of widespread market acceptance. From baseline research through to re-branding, this process has again exemplified Koppert’s commitment to the markets

• Horiver Rollertrap

  thrips , leaf miners , fungus gnats. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polyethylene [...] which needs to be placed 40 cm above the crop To assist with placement, insert a rod, or something similar, through the centre opening of the roll which [...] staples or clips. It may be necessary to secure the Rollertrap mid run to provide additional support. It is recommended to replace the Rollertrap after 10 months

• Black tea thrips

  poor fliers and tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females [...] primarily on the foliage of ornamental plants. It attacks the lower surface first and, as feeding progresses and the population increases, moves to the upper [...] droplets of black excrement from the thrips. Life cycle and appearance of Black tea thrips Adult black tea thrips are dark brown with the apex of the abdomen

• Blackcurrant aphid

  distal third of the siphunculi is slightly swollen. In spring, the blackcurrant aphid lives on the underside of the young leaves of currant plants. It does [...] females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying [...] America. Damage symptoms Blackcurrant aphids produce large amounts of sticky honeydew on which black sooty mould fungi grow. Leaves and fruit quickly turn

• Potato

  olanum tuberosum ) is used to refer to the plant itself or its edible tuber. The plant is an herbaceous perennial and came to Europe from Latin America [...] flowering, fruiting and the development of the potatoes. The plant’s flowers vary from white, pink, red or blue, to purple and have yellow stamens. After [...] people’s diet. In terms of volume, potato is the fourth-largest food crop in the world, after maize , wheat and rice. Potato plants grow up to some 60 cm tall

• Cannabis

  larvae feed on organic matter in the soil and can damage the roots of cannabis plants, leading to stunted growth and decreased vigour. The presence of these [...] These pests can damage the plants, which results in less yield and quality. Next to pests, cannabis plants can also suffer from plant diseases like bacterial [...] species that can infest cannabis plants. These pests have the potential to cause substantial damage, as they feed on the plant's sap and reproduce rapidly.

• Trianum-G

  Trianum-G promotes plant growth and uniformity. Crops Trianum-G can be used in most crops. Mode of action The mode of action of Trianum-G is based on the following [...] space Trianum-G grows faster on the surface of the root than other soil-borne fungi. Other fungi get less chance to establish on the roots. Competition for [...] grows around the mycelia of the pathogens. The cell walls of the pathogens break down and the pathogens die. Strengthening of the plant Trianum-G improves the

• Beneficial nematodes

  nematodes are detrimental to crop health and can cause yield losses. They feed on plant roots, disrupting the plants' ability to take up water and nutrients, which [...] applied by foliar or soil application, depending on the target pest. Here's a general guideline on how to apply nematodes (always check the label for detailed [...] your treatment plan as needed Video: How to use nematodes Types of nematodes In agriculture the most important types of nematodes are parasitic nematodes