• Miglyphus

  larvae in the mine and lay their eggs next to them. The eggs develop into parasitic wasps inside the mine (but outside the leaf miner), using the dead larvae [...] Visual effect The presence of Diglyphus isaea in the crop is signalled by short mines that contain dead leaf miner larvae. Older larvae and pupae are visible [...] in the morning or in the evening Dosage The dosage of Miglyphus depends on climate, crop and leaf miner density and should always be adjusted to the particular

• Downy mildew of Cucurbits

  structures are protruding from the stomata. Because there are more stomata on the underside of the leaf, this is where most fluffy symptoms are found. How [...] around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce [...] infect mostly the leaves but occasionally also stems and fruits. They cause lesions on the upper leaf surface, bordered by the veins, which are first yellow

• Fusarium spp.

  is the only Fusarium that actually grows inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed [...] towards the foot of the plant and enters the vascular system. Inside the vessels, the fungus produces mycelium and many spores (microconidia), which are transported [...] Fusarium wilt ) is the species that causes vascular wilt. Initially, the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant

• Swirski-Mite Plus

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Spidex Vital

  shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] situation. Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 2-50 per m2/release. Releases [...] products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus persimilis is most effective at temperatures between

• Spidex

  shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 2-50 per m2/release. Releases should [...] products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus persimilis is most effective at temperatures between

• Damping-off

  bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot [...] enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water [...] of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy

• Crop Monitoring and Scouting

  scouting In the world of agriculture and horticulture, the phrase "knowledge is power" couldn't be truer. Crop monitoring and scouting are crucial practices [...] growers can promptly detect the presence of pests and respond accordingly. Benefits of crop monitoring and scouting One of the most critical aspects of crop [...] practices that can determine the success or failure of a harvest. These essential techniques provide growers with insights into the health and growth of their

• Swirski Ulti-Mite

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of

• Swirski-Mite

  shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 25-300 per m2/release. Releases should [...] Koppert products for advice on the best strategy for your situation. Environmental conditions Amblyseius swirskii is most effective at temperatures between 20