• Two-spotted spider mite

  transpiration and reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the whole plant [...] plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface can lead to loss of the crop. The nymphs and adults also produce webs [...] period of roughly equal duration can be distinguished. Eggs are usually found on the underside of leaves. They have an oval body that is rounded at the rear

• RedStar places trust in Natutec Scout

  traps, and this immediately tells you how the level of infestation is developing.’ At RedStar, Jan van Nieuwkerk is responsible for plant protection at the [...] seeing the trend. Is the level of whitefly infestation staying the same or is it going up or down? I want to see that at a glance. If there is an increasing [...] According to Jan van Nieuwkerk, the Natutec Scout app is an excellent tool for people with and without experience in biological plant protection. ‘On an entertaining

• Fusarium spp.

  Primary infection is either seed-borne or takes place as infection of the roots at the root tip, or in small wounds, for example where lateral roots branch [...] mycelium and many spores (microconidia), which are transported upwards. At the same time, the plant produces gum as a defence mechanism to stop the fungus [...] glumes and kernels become white, due to dehydration, and later turn pinkish-red as spores are formed. Ear infection decreases the baking quality of wheat

• FAQ Nezapar

  preventive: 10 000 wasps/ha = 2 tubes (1 wasp/m²/week) light curative: 30 000 wasps/ha = 6 tubes (3 wasps/m²/week) heavy curative: 60 000 wasps/ha = 12 tubes [...] tubes (6 wasps/m²/week) hot spot treatment: 100 000 wasps/ha = 20 tubes (10 wasps/m²/week for at least 3-4 weeks) Releases should be repeated at weekly intervals [...] halys or Lygus spp. Nezapar is not effective against Halyomorpha halys. 2. Application When do I have to start introducing Nezapar? As early as possible

• Montdo-Mite

  introduction as soon as the first pests are detected in the crop. Introduction rates typically range from 25-300 per m 2 /release. Releases should be repeated [...] montdorensis is most effective at temperatures between between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 15°C/59°F. Transeius [...] take the necessary precautions. Precautionary measures Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be

• Nutari

  Use Nutari as an alternative source of food for build-up and maintenance of generalist predatory mite populations ( Amblyseius swirskii , Amblyseius andersoni [...] receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2 days. Storage temperature 8-10°C/47-50°F. Storage conditions [...] montdorensis ) in the beginning of the season and at low prey densities. Mode of action When density of the target pest is low and there is no alternative

• Beetles

  Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored [...] There are many useful beetles as well. For instance, ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis, that is, the [...] larvae do not resemble the adult at all, and must pass through a pupal instar before reaching the adult stage. Larvae have biting mouthparts and mostly

• Aphytis melinus

  Other scales The parasitic wasp Aphytis melinus is available at Koppert as Aphytis. Aphytis melinus products Aphytis Expand all items How to use Aphytis [...] Release the same day the product is received, in case of adverse weather it can be stored for 24-48 hours at 18ºC and in darkness. Best conditions for Aphytis [...] ultimately killing the host insects. Life cycle and appearance of Aphytis melinus Aphytis melinus is an ectoparasite: the female deposits one or more eggs beneath

• Permipar

  conditions The predatory wasp is most effective at temperatures around 25°C. The lowest temperature at which development can occur is 20°C, and the highest [...] temperature is 30°C. Handling Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible [...] Tailored advice can be provided if information is available on the local factors that need to be taken into account, such as the crop, the climate conditions

• Aphilin

  agents, such as Aphidend . Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2 days. Storage [...] euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). It also has an effect on the peach potato aphid ( Myzus persicae ) and other aphid species [...] inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed