Cotton aphid

cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized [...] sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) [...] generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The

Entofood

Use Entofood as an alternative source of food for build-up and maintenance of Macrolophus pygmaeus populations in tomatoes in the beginning of the season [...] at low prey densities. Mode of action As Macrolophus pygmaeus has to build up a population in the crop before pest is arriving Entofood can be used as [...] the Macrolophus pygmaeus population is large enough and pests are present Make sure that Entofood is distributed on top of the crop Entofood can be distributed

Feltiella acarisuga

Spider mite control with Feltiella acarisuga Feltiella acarisuga is a predatory gall midge highly effective in the biological control of spider mites [...] gall midge Feltiella acarisuga is available in plastic cups ( Spidend ). Make a hole in the lid and place the cup on the rock wool slab or directly on [...] works best when spider mites occur in colonies and can be used in combination with the predatory mites Phytoseiulus persimilis and Neoseiulus californicus

Nematodes established solution for Nesidiocoris in France

France; especially this year when the pressure is really high, with Nesidiocoris showing up in crops from February onwards, which is really early. Nesidiocoris [...] of France: ‘We recommended the beneficial nematode Capsanem in combination with an adjuvant to tackle Nesidiocoris . Tests were run by Koppert Spain in breeding [...] but also, more recently in the north. ‘We had reached a technical impasse with this bug, especially in the “zero residue” programs. Capsanem is a powerful

Powdery mildew

colonies later turn brown or grey. Severely affected leaves may turn yellow, curl up or drop off. Life cycle and appearance of Powdery mildew The fungi that cause [...] the haustoria, from which the fungus penetrates the plant cell and takes up nutrients from the epidermal layer of plant cells. Most of the fungus remains [...] spore dispersal by rain is negligible, since spores explode when in contact with water for no more than a few hours. Powdery mildew spores, either ascospores

Northern Corn Rootworm

Diabrotica sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over 1 billion dollars. In Eastern [...] control infestation, for the most part, by rotating their corn crop yearly with another plant (typically soybean). Damage symptoms Adult northern corn rootworm [...] beetles feed on the foliage, pollen, silks and developing kernels of corn, with the following consequences: When corn silks are cut all the way back to the

Consumers

natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society, with safe food in sufficient quantities to feed a rapidly [...] growers and farmers. In order to provide you with the best possible service as a consumer, we have drawn up a list of frequently asked questions. We hope [...] sustainable production of plants and crops. Even though they cannot be seen with the naked eye, these products – which can be used above ground and underground

Caterpillars

fruit or stems, making them difficult to detect and control. In addition to consumption of the plant, caterpillars also spoil the plant with the large quantities [...] larvae. Sticky traps help monitor pest activity and reduce flying populations. With Koppert’s biological solutions for caterpillars, professional growers can [...] moths. Butterflies and moths form the order Lepidoptera, a very large group with more than 150,000 species, that are easily distinguishable from other insects

Fall Armyworm

This makes it possible for fall armyworms to spread over large areas rapidly. Adults fly by night, and are attracted to lights, especially those with a strong [...] humid evenings. Females lay their eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green and spherical

Aphidius ervi

Aphid control with the parasitic wasp Aphidius ervi Aphidius ervi is a parasitic wasp species that plays a significant role in biological control of aphids [...] bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site [...] Aphidius ervi Aphidius ervi exhibits a specialized feeding behavior that makes it an effective biological control agent against aphid pests. Once the female