Nutemia

) in the beginning of the season and at low prey densities. Mode of action When density of the target pest is low and there is no alternative food available [...] a thin, even layer Dosage The dosage of Nutemia depends on climate, crop and pest density and should always be adjusted to the particular situation. Start [...] available in the crop Nutemia can be provided as alternative food source for predatory mites . This will ensure a standing army of predatory mites in the crop

FAQ Nematodes

temperatures and certainly not outside a host. Only if the nematode is in the host and the temperature is not too low is there a small chance that the nematodes [...] In the host, the nematodes release a bacterium that can kill the host very quickly. This bacterium also causes the host to be converted into food for [...] on the pump and the spray boom? The pressure on the nozzle may not exceed 20 bar (190 psi), with conventional large volume nozzles. Why should the soil

Black leg of seedlings

later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border [...] between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex [...] enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water

Damping-off

first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very [...] of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy [...] stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of m

A life-long passion for predatory mites

It’s all about maintaining the moisture in the sachets; keeping the moisture inside without harming the mites and creating the perfect ecosystem for them [...] us as experts in the rearing and mass production of predatory mites and use our mites for their experiments and trials in the field. The benefits are mutual [...] s in the Netherlands, Dr Tom Groot heads the Research and Development department for Macrobials. He shares that he is passionate about nature and especially

Click beetles

wireworms and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants [...] 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 to feed on roots. The larvae (‘ [...] fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring

Whitefly

on the leaf: the longer the hairs on the leaf, the longer the hairs on the insect. In other words, the larva adapts itself to the structure of the leaf [...] throughout the period of larval development. In the second and third larval stages, both the legs and the antennae are reduced to one or two segments and are [...] coat the leaves and stems of infested plants. Sooty mold: Honeydew can also promote the growth of a black, sooty mold that can cover the leaves and stems

Pollination checklist tomato

bumblebee bites onto the flower and makes the flower vibrate. This is known as buzz pollination. The imprints of the bumblebee's jaw on the flower (bite marks) [...] crop and the presence of sufficient healthy flowers form the basis for good pollination . Various factors can disturb the health of the plant and thus [...] lengthy period, the hive and the colony may suffer damage. You should therefore position the bumblebee hive in the coolest spot, or at least in the shade, pa

Optimal placement of bumblebee hives

advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive adequate [...] meters above the ground, particularly in dense crop areas. On the darkest days of winter, consider placing the hives above the crop near the greenhouse roof [...] as condensation and rainwater. Regular hive maintenance and checks are recommended to ensure the well-being of the bumblebee colony and prevent potential

Additives