General The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid…
and a whole host of other manure-breeding flies . Fannia species can be found worldwide, from the arctic to the temperate neotropics, and they…
or perithecia, structures containing ascospores. Ascospores have not been found yet for all powdery mildew fungi and especially in greenhouse crops…
strengthen crops. Improving plant health both above and underground. We were founded in 1967 by Jan Koppert, a Dutch grower with a clear vision; the…
transparent white. Adults are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves, often in the corner of the…
celery, sweet pepper, pea, bean and potato. In greenhouses, it is mainly found on gerbera and chrysanthemum. Today the insect is widespread across the…
In addition, there are a number of other genera and species, but they are found in much smaller quantities. Are the released bacteria harmful? Are the…
horticulture. Thrips are small insects (0.5-14 mm), with the largest species found in the tropics. In temperate regions they are not larger than 2.5…
honeydew. Characteristically, dark sooty moulds ( Cladosporium spp.) are often found growing on this honeydew, which, as well as the white, waxy…
preventive approach of natural enemy releases was challenging at first, they found an ally in Koppert that not only has the highest quality products,…
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