onion, rhubarb as well as chrysanthemum and carnation. It is a species found in Europe, North Africa (Libya, Canary Islands), Japan and sub-tropical…
of the upper leaf surface remains undamaged. Young caterpillars are often found in groups, spreading out over the plant as they grow larger. As their…
females continuously producing new generation of females) and generally found only on cultivated roses and strawberries, in glasshouses in northern…
world mainly via infested apple rootstocks. It can occasionally also be found in pear, quince and a few other woody Rosaceae. Life cycle and…
flies , thrips pupae, nematodes and other soil living pests, which can be found in high numbers in greenhouses in soil which has been enriched with…
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…
honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy…
photosynthesis in the leaves is reduced, affecting production. They are usually found in closely packed colonies, although they are also capable of…
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,…
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