• Codling moth

  eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath is eaten away. Infested fruits [...] prematurely and drop off. Life cycle and appearance of Codling moth The adults have a wing span of 15-22 mm, blackish-brown forewings, suffused with ash-grey [...] developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head and a pale anal

• Impatiens thrips

  themselves can shrivel. Echinothrips americanus is often found low in the crop. In sweet pepper the damage can be seen as discolouration of older leaves at the [...] americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spread [...] spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many ornamental

• Amblydromalus limonicus

  predate and reproduce in both cooler and warmer conditions. Trials have shown that even at temperatures as low as 14 °C, it maintains high egg-laying and predation [...] predation rates. Under fluctuating conditions, such as 16 hours at 16 °C and 8 hours at 10 °C, it continues to suppress pest populations effectively. This [...] white in colour) are a much better prey than older whitefly eggs (more than 24 hours old, brown in colour). At 25°C under optimal conditions, an adult

• Spidex Vital Go

  direct sunlight. In tomato only use Spidex Vital Go in hotspots Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid [...] 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 [...] persimilis is most effective at temperatures between 13 and 27°C (55 and 81°F) and not effective above 30°C/86°F. Phytoseiulus persimilis is sensitive to

• Onion

  plant is usually a biennial or perennial plant. When cultivated however, the plant is mostly handled as an annual and harvested at the end of its first [...] referred to as the bulb onion or common onion, is a vegetable. This particular species is the most extensively produced species of the genus of Allium . The [...] results onion fly, bean seed fly and fusarium wilt Trial results Onion fly and Fusarium wilt Trial results onion fly and bean seed fly About The onion (

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  locations where we find a range of unusual butterflies and moths. As we only do this at an early stage, there is no secondary effect on other caterpillars [...] built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink explains, it was not enough [...] ’ explains Klein Breukink. ‘But as I’ve already mentioned, the planning benefits and maintenance of biodiversity are important gains.

• Green peach aphid

  persicae ) is an important insect pest in sweet pepper, tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy [...] important vector of viral diseases. It can transmit at least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation

• Tomato looper

  three pairs of prolegs, instead of the normal five and therefore the caterpillar moves with the same looping motion as an inchworm (geometrid). The cocoon [...] Mediterranean and northern Africa. The larva is highly polyphagous and feeds on plants of over 20 families, among them crops such as cauliflower, corn, crucifer [...] soybean, potato, strawberry, banana, sweet pepper and tomato but also chrysanthemum and geranium. An annual migrant from southern Europe, the golden twin-spot

• Municipality Venray: biological control of oak processionary caterpillars

  political agenda, as well as being an important social issue.’ Entonem makes a big difference According to Bergeijk, the results have been generally positive [...] Municipality of Venray. ‘We use nematodes at locations in outlying areas where there might be protected species of butterfly and moth. The major benefit of Entonem [...] In the Municipality of Venray a third of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as

• 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 [...] 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 level [...] 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