• Flies

  a common pest problem in greenhouse and field crops, where they disturb plant growth, spread diseases and affect crop hygiene. Their larvae can damage [...] cultivation. Species that can cause damage or nuisance, are particularly small flies of the families Sciaridae ( sciarid flies ) and Ephydridae (shore flies) [...] flies). The larvae of these insects generally live on rotting plant material and are mostly found in the soil. The spotted wing drosophila , Drosophila

• Effective thrips control with predatory mites

  damage to a wide range of crops. Their ability to reproduce rapidly, damage plant tissue, and spread viruses makes them a serious threat to yield and product [...] thrive in greenhouses and covered production environments. They puncture plant tissues to feed on cell contents, leading to scarring, deformed growth, and [...] swirskii targets thrips larvae as well as whitefly eggs and young larvae, other small insects and mites. It originates from mediterranean regions and therefore

• Cryptolaemus montrouzieri

  stage: Cryptolaemus montrouzieri eggs are small, oval-shaped, and usually laid individually or in clusters on plant foliage or near mealybug-infested areas [...] beetle belonging to the family Coccinellidae. The beneficial insect is a small but highly effective predator in biological pest control . Originating from [...] attached to the surface. Adult stage: Adult Cryptolaemus montrouzieri are small beetles with a dark brown or black coloration and measure around 4 millimetres

• Thrips

  fliers and can move quickly between plants. They are often found on the undersides of leaves, where they feed on plant sap. Damage: Thrips can cause damage [...] fruits by feeding on plant tissue. This can result in distorted growth, discoloration, or scarring. They may also transmit plant viruses. Recognize thrips [...] feed on all aerial parts of the plant and are fairly mobile. Immediately after hatching, the larvae begin to feed on plant tissue on the underside of the

• Garden chafer

  move into corms, rhizomes and stem bases of plants. Larvae can also feed above ground within stems of plants and on strawberry fruits lying on the ground [...] are polyphagous and feed on a wide variety of plant species. High populations of larvae can destroy plants under field conditions. Established crops are [...] are more resistant to damage than young plants or recently planted cuttings. The beetles are only active at night, taking round bites out of the leaves,

• Triario® WG

  capable of parasitizing plant pathogenic fungi. Competition: Triario® WG colonizes on the plant's root system by competing with plant pathogens for space and [...] Sclerotinia , Sclerotium , and Thielaviopsis . Pests Triario® WG controls plant pest nematodes, including soybean cyst nematode, Heterodera glycines . Crops [...] in agronomic row crops, forage crops, legume and field crops, root crops, small grains and tuber crops. See product label for specific listings. Availability

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

  February 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 [...] throughout the entire crop cycle.” This shift has led to more resilient plants and a more sustainable growing process. The road to chemical-free horticulture [...] evening, and by morning, the entire greenhouse smelled like a giant shawarma stand. Our workers were not impressed,” Pieter laughs. “That was a lesson in b

• Long-tailed mealybug

  but these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy [...] on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes [...] photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate

• Fusarium spp.

  system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium species [...] the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem [...] or in small wounds, for example where lateral roots branch off the tap root. F. oxysporum grows inside the roots towards the foot of the plant and enters

• Cannabis aphid

  developing on cannabis plants, as well. Damage symptoms The cannabis aphid is a sap sucker, like all aphids , and affected plants are damaged by the loss [...] settle inside buds to feed. Slowed plant growth; wilted, yellowing leaves. Transmission of viral disease between plants, specifically: hemp streak virus [...] of this vital fluid. The following damage symptoms may be observed when plants are infested with Phorodon cannabis : Excess sap is excreted on leaves and