Greenhouse whitefly

Find solutions for whitefly in your crop Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of [...] development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty [...] physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development

Spidex Vital FAQ

research, Koppert has managed to develop a new formulation for better control of a number of vital aspects. This results in keeping the surrounding conditions [...] persimilis. Is this a different Phytoseiulus species to the Spidex I am used to? No, it is exactly the same Phytoseiulus species as in de former Spidex Vital: [...] Spidex Vital, compared to the regular Spidex. Does anything change to the rate of application? No, continue to introduce Spidex Vital in the numbers you recommend

Spider mites and other mites

cycle in as little as one to two weeks. This rapid development contributes to their ability to multiply rapidly and cause significant damage to plants [...] grasslands to horticultural and agricultural crops. Plant mites can be a significant pest in horticulture and agriculture, causing damage to crops and reducing [...] than 1 millimeter in size, and range in color from pale yellow to green, brown, or red. They have eight legs and are closely related to spiders, but they

Aphids

aphids can cause leaves to curl or twist as they feed on the plant sap. How to prevent aphids To prevent aphid infestations in crops, you can take several [...] crops. Aphid control videos Take a look at the video or go to our Youtube channel to see our aphid control products in action. More aphid control videos [...] insects that belong to the superfamily Aphidoidea. There are over 4,000 species of aphids that have been described, and they can be found in a variety of habitats

Buckthorn-potato aphid

adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce [...] nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of [...] usually found in the lower parts of the plants and are not very mobile. In autumn, winged males and females are produced, which return to the primary host

Japanese beetle

steadily in the US. In Europe, Popillia japonica was for the first time reported in northern Italy in 2014 where official control actions were taken to prevent [...] observed in the US more than 100 years ago. Although not a pest in Japan, extensive turf, and a lack of natural enemies, allowed populations to rapidly [...] on the A2 list of the European Plant Protection Organization (EPPO). To prevent its further spread in Europe, occurrences outside the known area in Italy

Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

Nematodes are a better solution for urban areas.’ Wolterinck BV sprays the nematodes when the caterpillar egg casings begin to emerge. A second spraying [...] Wolterinck BV in Beltrum, the Netherlands, is a specialist in tree care and weed control and works on behalf of local authorities and governmental bodies [...] effective around ten days in and if the trees have at least 30% of their leaf cover, Bacillus thuringiensis can also have a good combatting effect.’ Staunch

Two-spotted spider mite

infestations can cause the leaves to dry up and fall off the plant. How to prevent spider mite Preventing spider mites in your crop involves several strategies [...] spider mite populations in check. Especially predatory mites in sachets are a good preventative measure as the sachets enable a continuous supply of predatory [...] spots, giving rise to the common name, “two-spotted spider mite”. The spots can vary in both form and size. The red eyes can be seen in all stages. Recognize

Lyprauta

sp. are a transparent greyish white and have a long slender body. The head is brown or reddish. The pupae are white to yellow and embedded in a dense web [...] Keroplatidae) have been associated with root damage in potted orchids, especially in greenhouses in the Netherlands. Dutch farmers call these larvae potworms [...] black and start to rot internally. Just above the damaged area, the roots produce large numbers of new branches. This ultimately results in a reduced number

Stable fly

between 5–7 mm in size and largely resemble the house fly , even having a four-striped thorax. However, they are light grey in colour; they have a broader abdomen [...] General Stable flies belong to the genus Stomoxys , Latin for “sharp mouth”; a fitting moniker, as these flies are the only members of the Muscidae family [...] humans, and pigs to a lesser extent). Although they are extremely common and exist worldwide, it is believed they first originated somewhere in Eurasia. Stable