Caterpillar control with nematodes

fact that offers growers many new opportunities the biological control of caterpillars . Our nematode products can be used in conventional, organic or [...] growing methods in a wide range of crops; fruits, vegetables and ornamental crops. 5 reasons to use nematodes Effective control of many caterpillars Pests [...] application, handling and storage. Get in contact Nematodes and chemicals Nematodes are quite insensitive to many types of pesticides and can thus be sprayed

Municipality Enschede: Entonem nematodes against oak processionary caterpillar

traps last summer, to help it to determine how many oak processionary caterpillar moths were still present in areas where different management methods have [...] The Municipality of Enschede started using nematodes for the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar [...] caterpillar. The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink

Crazy roots, hairy roots, crown gall

growth (crazy roots). In greenhouse vegetables, the roots overgrow the substrate and in severe epidemics the drippers get clogged. In tomato, excessive vegetative [...] caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue [...] tissue and causes a genetic change in the plant. How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material Use a strict hygiene protocol

Aphidius colemani

effectiveness in controlling aphid populations in various agricultural and horticultural environments. Aphidius colemani is widely used in the biological [...] all items How to use Aphidius colemani The parasitic wasp is available in a bottle ( Aphipar ). Spread the material on rock wool slabs or in Diboxes Make [...] ground. Although many aphids die as a result, many will survive and migrate to other plants to begin new colonies. To avoid becoming covered in their secretions

Black leg of seedlings

survive very well in the soil or substrate in the absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Black [...] Pythium affects roots, in particular those of seedlings. Infected plants lag in growth. Seedlings fall over (‘damping-off’). In slightly older plants, [...] are in a sub-optimal condition or suffer from stress, caused for example by too much water, too high or low temperatures or sudden fluctuations in temperature

New Packaging

notoriously difficult material to recycle. In addition to these unfortunate facts, Styrofoam is being banned in many cities and towns. The bans could impact [...] sensitive organisms in a box made of cardboard with a synthetic fiber lined with plastic inside. This new packaging has been created in partnership with Tryco [...] boxes worked just as well as the Styrofoam boxes. In some cases, they outperformed the Styrofoam packaging in maintaining the required temperature for tran

Grey mould

fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil [...] plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In cucumber: remove dead [...] lesion wilts and dies. In vegetables and strawberry, grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) affects the fruit. In potted plants, the cuttings

Target pests of beneficial nematodes in Top Fruits

beneficial (entomopathogenic) nematodes play an important role in the biological control of many pests. Even more for pests that are difficult to control and [...] More than 35 years of experience Koppert started producing nematodes in 1986. Many years of experience have gone into the selection, breeding and quality [...] Beneficial nematodes in Top Fruits Top Fruits Crop Apples / Pears When to apply Where to apply Targeted pest instar(s) Cydia pomonella Autumn/Spring

Green peach aphid

persicae subsp. persicae ) is an important insect pest in sweet pepper, tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia [...] occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield, Plant sap is rich in sugars, but has a low [...] transmit at least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the

Plant Pollinator interactions in high temperatures

levels given in Watts. can be reduced if the humidity is too low or radiation is too high. Staying outside the gray and yellow areas in the table in figure [...] Thermal image of a tomato flower in the direct sunlight in April Photo: © Svensson Climate Screens more and more bees stay in the hive to ventilate it, reducing [...] These brown marks can be used to help determine how many hives must be ordered. A single visit results in the transfer of enough pollen for pollination.