• Aphilin

  Especially for potato aphid ( Macrosiphum euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). It also has an effect on the peach potato aphid ( Myzus [...] action Adult parasitic wasps emerge from the mummies and females lay their eggs in aphids . The next generation of parasitic wasps develops inside the aphid [...] emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 2 weeks after the first introduction. Host feeding also takes

• Combating Strawberry Aphids with Aphiscout

  March 15, 2019

  Five species in one application. Aphiscout contains a mix of five aphid parasite species in a cardboard tube. The five parasitic wasps in Aphiscout are: [...] ly important persistent and semi-persistent viruses To prevent the development of aphid colonies and virus transmission, regular introductions of Aphiscout [...] Aphidius matricariae Ervipar Aphidius ervi Use APHISCOUT to combat aphid pests in Strawberries. Aphid pests are a major threat to protected strawberry production

• Plugging the plant propagation gap with Trianum

  July 5, 2019

  seedlings and plug plants in propagation; can be used for all ornamental plant species T-22 has several modes of action: competition in the root zone; mycoparasitic [...] of fungal plant pathogens. Koppert have marketed Trichoderma harzianum T-22 in the UK for over a decade, under the brand name Trianum. Two product formulations [...] rate of 1.5 g/m 2 Trianum-G is incorporated in the compost at a rate of 0.75 kg/m 3 Trichoderma harzianum T-22 is the most researched Trichoderma-based

• Trichoderma harzianum

  disease management in agriculture and horticulture. Advantages of Trichoderma harzianum The usage of Trichoderma harzianum T-22 in sustainable agriculture [...] Biofungicide for crop protection Trichoderma harzianum T-22 is a species of beneficial fungus commonly used in agriculture and horticulture for its various beneficial [...] residues Application of Trichoderma harzianum Trichoderma harzianum T-22 is available in 2 different formulations: Wettable granules ( Trianum-P ): can be

• Early blight

  surviving conidia in the soil. Use resistant cultivars against early blight ( Alternaria solani ). Prevent damage during harvest (in potato and carrot). P [...] General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause [...] 90% or when the leaves are wet. Small differences in optimum temperature occur between species, but in general the risk of Alternaria infection is larger

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

  February 17, 2025

  ago. The Stolk Brothers’ journey in horticulture began in 1925 when Pieter Stolk’s great-grandfather purchased land in Bergschenhoek and started growing [...] fast forward 30 years, and now you can’t imagine horticulture without biological pest control.” A partnership rooted in trust The connection between Stolk [...] transition to biological control hasn’t always been smooth. “We’ve tried all kinds of methods—some worked, some didn’t. I remember one experiment with a

• Cotton aphid

  This aphid species can transmit more than 50 different viruses, including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and [...] occurs 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 [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized

• Verticillium wilt

  are pale-green, then orange-yellow. In the beginning the plant seems to recover at night. The symptoms may occur only in parts of the plant. Cutting the stalk [...] system usually stays mostly intact. In rose, branches die off from the top and purple brown stripes occur on the stem. In tomato, sometimes V-shaped lesions [...] the veins. 'Early dying' disease of potato only occurs as premature senescence, without any other typical symptoms. In many crops, the fungus can be present

• Eggplant

  and is widely produced for its tasty fruit. In North America and Australia the fruit is called eggplant and in South Africa and Southeast Asia it is known [...] eggplant is a member of the genus Solanum and is thus related to the tomato and potato. Botanically speaking however, the eggplant is classified as a berry. The

• Ervipar

  Pests Especially for potato aphid ( Macrosiphum euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). Ervipar also parasitizes tobacco aphid [...] emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first introduction. Visual effect Parasitized [...] Carrier Buckwheat hulls. Application Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction