• Plant Pollinator interactions in high temperatures

  heat and humidity A glasshouse air temperature of 30° C at a humidity of 80% can still results in good pollination. At 30° C and 60% humidity, the pollination [...] more than worth the effort. Relative Humidity The second guideline for tomato plants is humidity. At low humidity (below 50-55%), the pollen is too dry [...] wall, and increasing humidity. Often high humidity is blamed for the poor setting. A semi-closed greenhouse can sustain higher humidity and still have perfect

• Sciarid flies

  they can cause enormous damage. Sciarid flies are usually found in damp, humid environments, and appear very commonly in greenhouses throughout the world [...] although some species can also eat living plant material. The adults prefer humid habitats and are attracted to a broad range of pathogenic and non-pathogenic [...] very little, plant death is generally local. Young plants that are kept humid and well-watered are particularly at risk. Life cycle and appearance of Sciarid

• How to protect bumblebees from heat

  bumblebee vitality, flower quality, humidity levels, and radiation. Flower quality may be also reduced caused by low humidity and high radiant heath. Even at [...] pollination can be reduced if the humidity is too low or radiation is too high. In conventional greenhouses, the recommended humidity range is 60-75%. Due to better

• Predatory Mites Whitepaper

  therefore no be used for thrips control. Humidity All phytoseiids need a relatively high relative humidity to develop and multiply. According to results [...] sensitive to low humidity than N. californicus, N. cucumeris, A. swirskii and A. andersoni. In a healthy, good growing plant canopy the humidity close to the [...] live, is higher than in the surrounding air. High humidity, e.g. at night, can compensate for low humidity during the day. Control of whiteflies • A. swirskii

• Grey mould

  nutrients for germination. Germination also happens at very high relative humidity (RH > 93%) on dry plants. The germ tube grows into the plant. Grey mould [...] much vegetative growth, in order to maintain a microclimate which is not humid enough for grey mould Provide sufficient ventilation in greenhouse crops

• Ulti-Mite: Revolutionizing biocontrol with innovative predatory mite sachets

  predatory mite sachets? Humidity resistance Ulti-Mite sachets are uniquely designed to withstand both low and high levels of humidity, making them ideal for [...] melons, or citrus fruits, in tunnels or open fields, or in consistently humid environments. Its patented system safeguards predatory mites from both excessive

• Grape downy mildew

  symptoms usually appear 7–10 days post-infection (depending on temperature and humidity), the disease is often well-established before it can be visually detected [...] leaf veins White to greyish downy growth on the underside of leaves under humid conditions Spots turning brown and necrotic as the disease progresses Premature

• Biosolutions for Propagation

  Starting Off Humid Propagation crops—seeds, cuttings, tissue culture—are in their first fragile state while subject to the extremely humid conditions for

• Thripex-Mini

  damage to some crops, especially with a large number of mites and high humidity. Therefore consult your supplier prior to using Thripex and it is recommended [...] susceptible to diapause and therefore can be applied all year round. Relative humidity should be above 75% and the temperature above 20°C/68°F for some hours

• Maximize pollination in tomato

  new bumblebee hive. Temperature and humidity considerations Bumblebees thrive within specific temperature and humidity ranges. They are most active between [...] s that can hinder their activity. Additionally, maintaining a relative humidity between 50% and 80% ensures optimal pollen release, while extremes outside