• Koppert is investing in smarter scouting

  May 29, 2019

  possible to manually enter sticky trap and crop data in the app. The generated data will then be displayed in an online dashboard. This dashboard is based on [...] the level of infestation in their greenhouses. Additionally, the dashboard lists how pests and their natural enemies develop in relation to one another [...] number of Dutch tomato growers are testing the innovation in practice. The app is currently in the pre-introduction phase: we are shifting the focus towards

• Common beans

  common bean (also referred to as the string bean, field bean, flageolet bean, French bean, garden bean, green bean, haricot bean, pop bean, or snap bean) is

• Tobacco whitefly

  insect was first identified on tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries [...] retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] irregular ripening in tomatoes and sweet peppers, yellowing of the flower stalks in gerbera, and serious yellowing of the leaves of French beans. Other symptoms

• Amblyseius swirskii

  mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should be repeated after 4 weeks if the pest [...] have eight legs, are a translucent white in colour, and have a flat, elongated body. They are roughly 0.4 mm in length. Males are smaller than females. [...] Ulti-Mite ). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. Hang sachets in sheltered

• Neoseiulus californicus

  mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should be repeated after 4 weeks if the pest [...] mites used in biological control such as Neoseiulus cucumeris, Amblyseius swirskii or Amblydromalus limonicus . They are roughly 0.4 mm in length. The [...] californicus in sachets The predatory mite Neoseiulus californicus is also available in breeding sachets ( Spical-Plus , Spical Ulti-Mite ). In this case

• Click beetles

  takes 4 to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil [...] 6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start [...] of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp

• Root rot of carrot

  best for in vitro sporulation. Spore germination in vitro requires free water. The pH for growth, sporulation, and spore germination ranges from 3.4 to 7.1 [...] 1 (optimum 4.2–4.7). This affinity for acidic conditions may explain the concentration of this disease in the rather acidic soils (of southwestern Norway) [...] Spore germination was inhibited in nonsterile soil but not in similar soil that had been steam sterilized. Spore germination in nonsterile soil was proportional

• Southern blight

  was first observed in tomato crops in Florida in 1892, and it has been regularly reported as causing rotting to the root and stem in tomato plants. Significant [...] germination is between 2.6 and 4.4, but it can occur between 2.6 and 7.7. Very humid soils favour development of the fungus. In the anamorphic form it does [...] surface of the stem. In favourable conditions, the sclerotia can germinate in two forms, hyphal or eruptive, causing infection in the plants. The sclerotia

• Cabbage

  vegetable crop for consumption. Cabbage heads come in various sizes and their weight usually varies between 0.5 to 4 kilograms (or 1-9 lbs).

• Guava

  tree. The pulp varies from off-white to bright pink, and is between 4 to 12 cm in length. The taste ranges from tart to very sweet. [...] Mexico, Central and South America, this common tropical fruit is cultivated in many tropical and subtropical regions. A vivid yellow or green on the outside