to plant tissue in an upright position, and large numbers of eggs may be found on a single spot. Nymphs are green or dull orange. First instar nymphs…
General The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid…
to prevent the bacterium from entering. When the occasional infection is found, strict measures are taken to eradicate the infection. In tomato,…
considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical regions and is transferred…
pink colouration on the dorsal surface. Caterpillars can temporarily be found outside the leaf mines or fruit. Pupation takes place in the soil or on…
celery, sweet pepper, pea, bean and potato. In greenhouses, it is mainly found on gerbera and chrysanthemum. Today the insect is widespread across the…
or perithecia, structures containing ascospores. Ascospores have not been found yet for all powdery mildew fungi and especially in greenhouse crops…
preventive approach of natural enemy releases was challenging at first, they found an ally in Koppert that not only has the highest quality products,…
honeydew. Characteristically, dark sooty moulds ( Cladosporium spp.) are often found growing on this honeydew, which, as well as the white, waxy…
honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy…
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