parasites. Those living on plants can cause considerable damage to their host. Tarsonemids like the cyclamen mite ( Phytonemus pallidus ) can occur…
Downey mildew Choose resistant cultivars Use a wide crop rotation with non-host crops Prevent a humid microclimate. Achieve this by lowering crop…
possibly Pakistan. The tobacco whitefly ( Bemisia tabaci ) has an enormous host range and has affected an extremely wide range of crops throughout the…
but lives freely (vagrant) on hemp/cannabis plants. Aculops cannabicola is host specific to hemp/cannabis ( Cannabis sativa ). It cannot survive on…
These bacteria convert the host tissue into a food source, on which nematodes feed, develop, and reproduce inside the host. This kills the pest within
temperate regions. The broad mite (Polyphagotarsonemus latus) has a wide range of host plants, especially peppers, but also aubergine, tomato and…
foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many ornamental plants it also attacks sweet…
Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form so-called sporangia…
9-13 days Damage symptoms The developing larvae eat different parts of the host plant, depending on the crop, the stage of crop development, and the…
crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate the decay of crop residues…
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