• Verticillium wilt

  January 1, 1970

  to prevent Verticillium wilt Start with clean soil or substrate by heating it at a temperature if at least 65 o C for a minimum of 30 minutes Use clean

• Pollination

  January 1, 1970

  What is pollination? Pollination is an annual challenge for growers when it comes to the production of vegetables, fruit and seed. Well pollinated crops [...] flower. If the pollen is transferred from anther to stigma on the same flower it is called self-pollination. Cross pollination, is the transfer of pollen from

• Radish

  January 1, 1970

  comes in several varieties that all vary in flavour, colour, size and time it takes to mature. The vegetable has a particular sharp or sometimes pungent

• Woolly apple aphid

  January 1, 1970

  apple pest. It is probably of North American origin and has been distributed to other parts of the world mainly via infested apple rootstocks. It can occasionally

• Natupol Trio

  January 1, 1970

  size and pollination performance. After some weeks the colony will reach its maximum size and starts declining in size and pollination activity. Colony [...] sunlight and rain, and weigh down the hive for example with a stone, to prevent it from blowing away Open the ventilation openings on top of the hive during [...] place the liner back inside. Seal the entire hive in a plastic bag, remove it from the crop area, and dispose of the sealed bag and sugar water tank in

• Citrus mealybug

  January 1, 1970

  task is to fertilize the females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays several hundreds [...] produce little wax, so that the light yellow to pink body is visible through its waxy covering. There is often a darker longitudinal stripe running over the

• Mealybugs and scales

  January 1, 1970

  defoliation. However, it is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also attracted [...] attracted by the honeydew. In fact, the honeydew with its sooty mould is usually the first sign of the presence of this type of pest. Among ornamental crops

• Effective spider mite control with predatory mites

  January 1, 1970

  persimilis Phytoseiulus persimilis is a specialist predator of spider mites , it is extremely effective in controlling outbreaks under warm and humid conditions [...] environmental conditions and feeds on low densities of spider mites, making it ideal for preventive control. A predatory mite solution for each growing

• Minusa

  January 1, 1970

  the leaf miner pupa. The adult wasp will emerge from the pupa. Visual effect It is not possible to see on the outside if the leaf miner larvae or pupae are [...] achieved. At higher temperatures (>25°C/77°F) and/or higher infestation rates it might be better to use Miglyphus . Consult a Koppert advisor or a recognised

• Pear

  January 1, 1970

  European or common pear is a perennial, deciduous tree and cultivated for its fruit. The tree grows small, white flowers (about 2.5 cm or 1 inch in diameter)