• Want to know whether Spical will be effective? Check, check, and double-check!

  December 13, 2022

  areas won't grow in size. You'll still be able to see webs, but the spots won't become larger. The downside is that the damaged spots won't simply disappear [...] how Spical is doing. Spider mites often develop in hot spots, so you should release extra predatory mites in these places. This is also where you'll be able [...] standard advice is to check the status twice a week. But of course, in acute situations, it can't hurt to do more checks until you're sure the matter is under

• Entonem keeps young orchids free from fungus gnats

  uses ten different beneficials for its two sites in Heemskerk, the Netherlands and its third location in Assendelft, the Netherlands. One of them is Entonem [...] a Dosatron,’ explains Rogier Veldhuijs, assistant location manager in Assendelft. ‘In the past, the product was not fully compatible with a Dosatron. But [...] Floricultura is a big name in the international orchid market. The company produces young plants of the Phalaenopsis, Cymbidium, Cambria, and Miltonia

• Lesser house fly

  flies mate, adult males will form swarms in areas with still air out of direct sunlight where they remain in flight as they wait to be visited by an unmated [...] from the arctic to the temperate neotropics, and they typically reproduce in feces, compost and carrion. These flies are often a serious concern for commercial [...] abundant manure production create the ideal conditions for maggot development. In extreme cases, large fly populations can even represent a public health concern

• Fall Armyworm

  onion, cotton, pasture grasses, millet, tomato, potato and cotton. Fall armyworm moths generally disperse in a radius of about 500 km (300 miles) before [...] the warm, humid evenings. Females lay their eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green [...] pest that is indigenous throughout the Americas. Recently, it has been found in Africa too. The caterpillars of fall armyworms feed on the leaves, stems and

• Tomato pinworm

  mainly attacks tomato, but it can also survive in other Solanaceae species, especially eggplant and potato. It is frequently confused with similar species [...] ely 9 to 12 mm in size and their main characteristic is their mottled brown colouration. At 25°C, it survives for about a week, but in cooler places it [...] tomato pinworm attacks both the leaves and fruits of tomato. Mining by larvae in the leaves is the most common type of injury. Initially, the mine is long

• Mealybugs and scales

  fruit are concerned, these often drop off; plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein, mealybugs must [...] scales also produce honeydew (on which moulds grow) resulting in considerable damage in ornamental and fruit crops and loss of value. Armoured scales do [...] gall-formers. A few species can also transmit harmful viruses. Mealybugs inflict damage on the crop in various ways: nymphs and females extract the sap from

• Tomato looper

  random objects and on tomato fruit, often in a bunch of ripening tomatoes, however, it can also be found in the soil. The pupa has a pale green body, with [...] family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is highly polyphagous and [...] families, among them crops such as cauliflower, corn, crucifer, soybean, potato, strawberry, banana, sweet pepper and tomato but also chrysanthemum and

• 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

• 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

• The advantages of Trianum

  December 17, 2021

  growth, and results in a stronger and more resilient crop. And which grower wouldn't want that? The most significant advantages of Trianum in a nutshell: The [...] The Trichoderma harzianum T-22 fungus in Trianum has many positive characteristics that are beneficial for growers, as it reduces the levels of disease [...] parasites, and they use pathogens as a source of food. As Trichoderma harzianum T-22 grows, it produces substances (enzymes) that break down the cell walls of