• Western flower thrips

  occidentalis) can be found on a wide variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially [...] resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of [...] Western flower thrips (Frankliniella occidentalis) prefer to feed on developing plant tissues such as growing tips and flower buds. When these tissues develop

• Green peach aphid

  in sweet pepper, tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach tree [...] and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed [...] early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield, Plant sap is rich in sugars, but has a low protein content

• Glasshouse potato aphid

  substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves [...] young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs [...] no alternation of hosts, and the two types of life cycles occur on the same host plant. The aphid can overwinter not only in greenhouses, but also outdoors

• A legacy of sustainability: Stolk Brothers and Koppert’s shared vision

  March 17, 2025

  crucial. “People still associate clean-looking plants with quality, but they don’t realize that a chemical-free plant is actually the healthier choice. If a predatory [...] and sustainable practices led them through various crops—from lettuce to tomatoes, and eventually to their current specialty: anthuriums. For Pieter Stolk [...] has grown tremendously, but it remains a family business at heart—focused on quality, innovation, and close relationships.” Despite Koppert’s expansion

• Potato

  ‘potato’ ( S 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 [...] rice. Potato plants grow up to some 60 cm tall. Its leaves die after flowering, fruiting and the development of the potatoes. The plant’s flowers vary [...] yellow stamens. After the flowering phase, the plants grow small, green fruits which look like cherry tomatoes and contain about 300 seeds each.

• Spidex Boost

  direct sunlight Sachets do not have an exit hole, so each sachet needs to be cut open or an exit hole needs to be pierced into it Hold sachets by the cardboard [...] leave the sachets within a few days. Dosage The dosage of Spidex Boost depends on climate, crop and pest density and should always be adjusted to the particular [...] Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus

• Fall Armyworm

  of the host plant, depending on the crop, the stage of crop development, and the age of the larvae. On maize, young larvae usually feed on leaves, creating [...] too. The caterpillars of fall armyworms feed on the leaves, stems and reproductive parts of more than 100 plant species causing major damage to cultivated [...] They have a distinct white inverted Y-shaped mark on the front of the head and four large spots on the upper surface of the last segment. Pupae are reddish

• How Does Buzz Pollination Work?

  July 10, 2024

  increased pollen transfer on each visit, both from the anther to the stigma in self-pollinating species, and from flower to flower in plants requiring cross-p [...] worldwide. Specifically, over 20,000 species of flowering plants, including all Solanaceae family plants, have a diverse array of floral architectures (structures) [...] Canadian grown crops, such as greenhouse tomato, and outdoor crops, such as blueberries, cherry, and cranberry benefit from a specific type of pollination

• Cabbage moth

  Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them crops such as sweet pepper, tomato, strawberry, lettuce, beetroot, onion [...] symptoms Large caterpillars feed mainly on the youngest leaves, producing skeletonized leaves, holes and frass on leaves. The caterpillars destroy large [...] eating the edge of the leaves on which they were laid. From the third instar onwards, they disperse over the whole plant. There are six larval instars

• Pollination checklist outdoor

  hive on a crate or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target crop. You should therefore mow or cut down [...] the plot for maximum results. The recommended number of hives is dependent on the crop and the presence of other pollinating insects. Bumblebees and honeybees [...] effects. Discuss the matter with your advisor. Consult the list of side effects, on paper or via the Internet . This list states how each product can be integrated