Western flower thrips

ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes. Adult females are very variable in [...] species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including many vegetable [...] flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a

Pine processionary moth

and varies from dull bluish-grey to black. Pupation takes place in the soil in an oval, ochreous-white silken cocoon. The pupae are about 20 mm in length [...] hairy thorax. The forewings are dull ashen-grey; the veins, margins and three transverse bands are darker. The hindwings are white, grey-fringed, with a [...] in the anal region. The cylindrical egg masses range in length from 4 to 5 cm. They are covered with the scales of the female anal tuft, which mimics the

Ervipar

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 [...] Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage of Ervipar depends on climate, crop [...] adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.25-2 per

Spidex Vital: Your Vital partner in spider mite control

can start laying eggs after release and don’t needs to get energy from spider mite from the field to develop the eggs. This will increase the population [...] more than 50 years ago. From day one this predatory mite formed the foundation of our spider mite control. Over time it grew to be one of the most important [...] Vital: Your Vital partner in spider mite control Born to fight Spidex Vital predatory mites are born to fight your spider mites . It gives you the best control

Optimal placement of bumblebee hives

orientation. To avoid overheating, ensure that the hives are not positioned too close to heat-generating lamps. Additionally, provide protection from direct [...] can be taken to increase the productivity of bumblebees: To ensure successful communication between bumblebees and humans, it is crucial to position the [...] grouped together. Protection of the hive To maintain hive efficiency, it is crucial to shield the hives from adverse weather conditions, such as condensation

Chrysopa

out, shrivelled skins are difficult to find. Chrysoperla carnea is active mainly during the night. The larvae hide during the day. Pack size 1,000; 10,000 [...] adjusted to the particular situation. Start introduction as soon as the first pests are detected in the crop. Introduction rates typically range from 2-20 [...] including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F). Combined use Can be used in combination with other aphid

Crazy roots, hairy roots, crown gall

infection is from the propagation material. Infection also takes place via wounds. After infection, galls are formed which break open, releasing many bacteria [...] These are dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused [...] resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change in the plant. How to prevent

Loose smut of wheat

Infection mostly occurs before pollination and within one to two days after pollination. How to prevent Loose smut of wheat Use clean seed: Apply systemic [...] and appearance of Loose smut of wheat The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop [...] The teliospores that are formed on systemically infected seeds then infect neighbouring new seeds. They germinate within a day and infect the inner tissues

Spotted Wing Drosophila

oviposition, the respiration tubes extend from the fruit but are difficult to see. Larval feeding in the fruit leads to fruit tissue collapse. Even if the fruits [...] drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily distinguished from males of other [...] the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii are tan-brown and 3 mm long. Contrary to other Drosophila species , D

Trianum effectively controls Pythium in cucumber

rockwool cube). He decided to do this in response to his crop’s susceptibility to Pythium. ‘My crop gets 20 hours of light a day, which means it requires [...] don’t want to be faced with another situation like that.’ The crop receives 20 hours of high-intensity light every day, which makes it susceptible to Pythium [...] Cucumber grower Kees Hendriks (Qcumber) explains how his plant protection strategy has moved from integrated to ‘almost’ biological, using fewer and fewer chemicals