• Chafers

  are a serious pest that can cause substantial damage. The adults are not harmful. Damage symptoms Larval feeding on the roots can lead to yellowing and wilting [...] eggs. Eggs are shiny and white. The eggs hatch after about four weeks and the larvae start to feed on roots. The larvae are white-coloured, C-shaped grubs [...] wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage is often caused by birds and small

• Greenhouse whitefly

  and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant sap can affect the physiology of the [...] result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a [...] develop on the leaves, reducing photosynthesis and transpiration. Viruses can be transmitted. The consumption of plant sap and secreting of honeydew by

• A life-long commitment to help growers thrive with sustainable growing practice

  December 10, 2024

  pests and diseases but can also support plant health . ‘A healthy plant is far more resilient and can withstand pest infestations far better. It’s a winning [...] "How can we possibly explain to our children and grandchildren that we once sprayed poison on the food we eat and the flowers in our homes?" Rianne asks [...] allows me to carry on his legacy. I’m passionate about educating growers on how natural methods, like predatory mites , enable them to cultivate their crops

• Artificially lit crops pollination advice

  the WBH-system, growers can enable bumblebees to fly during periods of adequate daylight. On average, bumblebees are allowed to fly between 10:00 a.m. and [...] Moreover, the heat from the lamps can damage bumblebee wings while flying to the lights, and multiple light sources can cause confusion in their orientation [...] closed for a full day, it's better to close the hives as well. Bumblebees can fly and forage under artificial lighting but may struggle to orient themselves

• Tobacco aphid

  persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South [...] known to what extent tobacco aphids ( Myzus persicae subsp. nicotianae ) can also transmit viruses. Life cycle and appearance of Tobacco aphid Aphids have [...] Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The wingless tobacco aphids (

• Modified formulation for Macro-Mite

  December 18, 2018

  appetite and feeds on a variety of pests. Not only can this predatory mite be used to combat sciarid flies white worms, and thrips , it also makes short work [...] eggs and larvaeof mosquitoes and flies , as well as small Duponchelia caterpillars . Macrocheles develops very well and can reach very high densities, which [...] the control of soil-dwelling pests, like eggs, larvae and pupae of sciarid flies , thrips pupae, and Lyprauta larvae. Modified formulation After extensive

• Fit roots for plant health Technical bulletin 2020 EN

  Roots for Plant Health How to facilitate root health and -condition to get the best possible Plant Health Preface This white paper is one of a series [...] In previous white papers, several aspects of growing are discussed, taking one or more plant balances as a starting point. For instance, how smart use of [...] the rhizobiome – form a rich toolbox that can deliver many benefits as long as we treat them right. A grower can do many things to make roots fit for co

• Poinsettia. Main pest pressures

  May 21, 2019

  Wetstick Poinsettia: Main pests and strategy Sciarid fly Sciarid fly, commonly known as fungus gnats, can cause serious damage to the cuttings, to the extent [...] real damage, their scales and white waxy deposits are, unfortunately, highly visible on the undersides of the leaves, which can result in rejection and lost [...] extent of killing them. The larvae feed on the young roots of the plants, and can then progress into the stem, if not controlled adequately. Control Strategy

• Entonem keeps young orchids free from fungus gnats

  approach. ‘They leave nothing to chance. And it just goes to show that you can go far if you take this approach.’ More about Entonem [...] who has ultimate responsibility for all cultivation activities. ‘Nothing can be allowed to go wrong during the propagation phase; our buyers operate a [...] plant protection, with a strong emphasis on prevention. The more pests we can keep out of the young plants, the better.’ Perfect results with controlling

• Beneficial nematodes

  with Entonem How do nematodes work? Beneficial nematodes use a fascinating strategy for parasitising and killing their host insects. Here's how they work: [...] target insects. Nematodes can be applied by foliar or soil application, depending on the target pest. Here's a general guideline on how to apply nematodes (always [...] like grubs and weevils ( Coleoptera larvae), caterpillars (Lepidoptera), fly larvae ( Diptera ), Thrips (Thysanoptera) and many other soil-dwelling pests