• Sciarid flies

  minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length [...] constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly [...] commonly in greenhouses throughout the world. Although they generally do little harm to healthy plants, sciarid flies are particularly problematic in cuttings

• Caterpillars

  night are usually inconspicuously brownish are greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, the caterpillars [...] plant tissue. Many species cause damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths) [...] name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are

• Eretmocerus eremicus

  inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the [...] their specialized mouthparts to feed on the internal tissues of the whitefly, leading to the host’s death and contributing to a decline in whitefly populations [...] after two to three days, and hatches when the whitefly reaches its fourth instar. The larva then penetrates the host, moulting to the second instar to feed

• Harnessing the Power of Parasitic Wasps

  March 21, 2024

  This is because unlike the greenhouse whitefly , all stages of Bemisia are found all over the plant, not just in the heads. For extra Bemisia control, you [...] fruit & flowers to be discarded for aesthetics. Acting as a vector for various plant diseases, transmitting pathogens from infected plants to healthy ones [...] tabaci ) are a substantial threat to ornamental and greenhouse vegetable crops. These tiny insects will scatter their eggs all over the plant, causing extensive

• How Does Buzz Pollination Work?

  July 10, 2024

  sound energy to agitate particles), which may be misleading, as the sound they make does not contribute to pollen extraction. It is important to note, only [...] previously listed plant species, like blueberries, do not necessarily need buzz pollination to occur, due to their flower structure being slightly different [...] access to certain pollinators, specifically honeybees. Honeybees require four times more visits to transfer the same amount of pollen compared to a buz

• Quad

  plastic bags to kill remaining live bumblebees, which takes approximately 2 weeks. When all bumblebees are dead dispose the hives according to local legislation [...] allows the bumblebees to calm down Protect the hives from direct sunlight and rain, and weigh down the hive for example with a stone, to prevent it from blowing [...] each hive upward until two openings become visible (entrance and exit). Do not remove the small black door under the lid Pollination performance and duration

• Larvanem

  few hours to days after infection. Visual effect Infected pest insects in the root zone turn red to brown but may be difficult to find, due to rapid degradation [...] short timeframe. Do not store mixed suspensions Dosage Larvanem is typically applied at a rate of 250,000 to 500,000 nematodes per m² (2.5 to 5 billion/ha) [...] and above 35°C/95°F can be lethal Nematodes are susceptible to ultraviolet light (UV): do not use them in direct sunlight The moisture content of the soil

• Black leg of seedlings

  absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Black leg of seedlings Use resistant cultivars or graft [...] Black leg of seedlings Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores [...] spores with flagellae, which enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards

• Damping-off

  absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Damping-off Use resistant cultivars or graft on tolerant [...] appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores [...] spores with flagellae, which enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards

• Thripex-Plus

  locations 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 [...] Pests Young larvae of various thrips species. Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the crop [...] 15 and 25°C (59 and 77°F). It is not effective at temperatures above 30°C/86°F. Neoseiulus cucumeris is sensitive to relative humidity below 70%. Combined