• Wheat bunt

  incidence at an average temperature of around 6 to 7 °C during that period. Soil moisture between field capacity and permanent wilting point is best for [...] they cause the exact same symptoms. Tilletia tritici and Tilletia laevis cause diseases such as common wheat bunt, stinking smut, karnal bunt of wheat. Damage [...] spore) they contain, which is larger than a normal kernel. The bunt balls are grey-brown. They rupture at harvest and release black, powdery spores, that

• Diglyphus isaea

  repeated at least 3 times at weekly intervals or until control is achieved. At low temperatures (<20°C/68°F) it might be better to use Minusa . Consult a Koppert [...] Leaf miners The parasitic wasp Diglyphus isaea is available at Koppert as Miglyphus Diglyphus isaea products Miglyphus Expand all items How to use Diglyphus [...] introduction as soon as the first mines are visible in the crop. Introduction rates typically range from 0.25-3 per m 2 /release. Releases should be repeated

• Spidex Vital lives up to its promises

  critical and tense moment on cucumber farms like mine. And as spider mites can cause real problems in this type of crop, an even better beneficial is always [...] Feltiella, and Swirskii. Together, they create an effective mix. You can see them soon after they have been released and they get right down to doing their job [...] job.’ A tense moment Sjaak van Dijk switched over to Spidex Vital at the start of February. ‘I have three crops a year,’ he tells us five weeks later. ‘As

• BULLETIN_VIDI_FORTUM___AQ10_31.1.22_K.pdf

  2022 A potential partner for AQ10 Vidi Fortum® stimulates spore germination in the powdery mildew hyperparasite, Ampelomyces quisqualis (AQ10®) An in [...] based on seaweed extracts have long been advocated as potential stimulants of naturally occurring and commercial disease biocontrol agents. AQ10® is a water [...] spores of A. quisqualis per gramme of product. This hyperparasite can attack a wide range of powdery mildew fungi. On-label approvals for AQ10® exist for

• Citripar

  repeated at least 3 times at an interval of 1-2 weeks. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy [...] mummified skin of the host and look like swollen mealybug larvae. Empty pupae have an irregular exit hole at the posterior end of the mummy after the parasitic [...] preventively or as soon as the first signs of infestation appear. Introduction rates typically range from 0.1-0.5 per m 2 /release. Releases should be repeated

• Akanthomyces muscarius

  compatible in the tank mix with a wide range of other plant protection products, making it easy to integrate in your current spraying program. An added benefit [...] muscarium is frequently applied as a microbial pesticide in agriculture and horticulture, providing a natural and environmentally friendly alternative to chemical [...] Mycotal is safe for beneficial insects, making it a powerful weapon in an integrated IPM program. Learn more How does Lecanicillium muscarium work? Lecanicillium

• Powdery mildew

  germination. In general, the development rate of the epidemic is fastest at 18-25 °C. High relative humidity (RH) promotes germination of spores but inhibits [...] General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] plant cells and barely survive in the absence of a living crop. They survive as ascospores or perithecia, structures containing ascospores. Ascospores have

• Eretmocerus eremicus

  insect is used as an important biological control agent of whiteflies in agricultural and horticultural settings. Eretmocerus eremicus is used for the control [...] eremicus is available at Koppert as Ercal . Eretmocerus eremicus products Enermix Ercal Expand all items How to use Eretmocerus eremicus The natural enemy [...] planting of the crop. Introduction rates typically range from 1-10 per m2/release. Releases should be repeated at least 3 times at weekly intervals or until

• Trichoderma harzianum

  will avoid attacks of pathogens. Applications with Trianum-P or Trianum-G should start as early as possible, at the moment of sowing or transplanting. For [...] harzianum has the capacity to make certain 'fixed' nutrients such as manganese and iron available for the plant to absorb. As a result, it provides a natural [...] available in 2 different formulations: Wettable granules ( Trianum-P ): can be sprayed or added to an irrigation system Micro granules ( Trianum-G ): can be mixed

• Oak processionary moth

  reducing the viability of oak trees. However, this is usually less of a problem as the trees normally recover from this. More important is the health risk [...] thousands of very small, barbed urticating hairs (ca. 0.1 mm). These hairs contain an allergenic protein, thaumetopoein; which can be actively released in the [...] . In dry weather, these urticating hairs can remain allergenic for months. From the 5th instar on, the larvae start building silken nests at the base of