• Large blackberry aphid

  of Large blackberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses

• Large raspberry aphid

  of Large raspberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses

• Strawberry aphid

  General The strawberry aphid, Chaetosiphon fragaefolii , has a cosmopolitan distribution and is the most important aphid pest of strawberries. It can cause [...] covered with conspicuous capitate hairs. They are relatively small aphids with a body length of only 0.9-1.1 mm. The aphids mainly feed on the underside of

• Zucchini

  also referred to as marrow or summer squash and it is eaten as a vegetable. Together with a number of other varieties of squash and pumpkin, it belongs to [...] South America. In addition, the courgette is very easy to grow in areas with a temperate climate. In the Netherlands, courgettes are produced in greenhouses

• Chili pepper

  nical to lanceolate. The fruit (the peppers) usually develop from a pale yellow to a bright red when ripe. Varieties can come in other colours as well [...] or perennial (short-lived) plants. The plant’s flowers are white and have a greenish white or greenish yellow corolla. The plant’s berries are very small

• Koppert One

  laying), problems with regard to moulting, or a repellent effect. The data within this database serves as a valuable reference for integrating chemical [...] of pesticides. Why use Koppert One Side Effects? Comprehensive data Access a detailed database to make informed decisions about integrating chemical pesticides

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  of the oak processionary caterpillar . The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the [...] Enschede. ‘We use Koppert’s nematode product Entonem in locations where we find a range of unusual butterflies and moths. As we only do this at an early stage [...] stage, there is no secondary effect on other caterpillars . We’ve treated a total of 2600 to 3000 oak trees with nematodes.’ Maintenance of biodiversity The

• Pear psylla

  General The pear psylla, Cacopsylla pyri , is a widely distributed pest of pear in central Europe and can inflict serious damage in pear orchards. Damage [...] often grow on the honeydew covering shoots, leaves and developing fruits with a sticky black layer. Life cycle and appearance of Pear psylla Adults pear psyllas

• Pear

  About The so-called European pear or common pear ( Pyrus communis ) is a pear species that originates in central and eastern Europe and southwest Asia [...] grown in Asia, Europe and northern Africa. The European or common pear is a perennial, deciduous tree and cultivated for its fruit. The tree grows small [...] small, white flowers (about 2.5 cm or 1 inch in diameter) and produces a pyriform, fleshy fruit. Pear trees can grow as tall as 9 metres and are able to produce

• Pollination checklist tomato

  the bumblebees' work. A single visit results in the transfer of enough pollen for pollination. Fruit setting takes place once a flower has been pollinated [...] days. Introduce a new bumblebee hive once the number of bite marks has dropped to just one or two per flower. Pollen is released best at a relative humidity [...] flowers. Bumblebees maintain a constant temperature in the hive. If the temperature to which they are exposed is too high for a lengthy period, the hive and