Infestation Levels in Tomato Crops: A Look at the Top Four

Podcast with Tech On Demand: A Biological Approach to Spring IPM, featuring Koppert’s Heidi Doering

Flies

Flies What are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation. Species that can cause damage or nuisance [...] shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although they [...] can cause damage in potted orchids. The Spotted Wing Drosophila has recently invaded Europe and the Americas where it is causing serious damage to many soft

Black vine weevil

sulcatus, is a pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate [...] temperate and sub-tropical regions. It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots [...] 12 mm. A larva is often curled into the typical C-shape which it assumes whenever it is disturbed. The body is covered with stiff white to light brown, bent

Powdery mildew

and makes it harder for the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate by only opening [...] Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage symptoms Powdery [...] powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies mostly occur in these crops

Bugs

Pentatomidae are found as pests in agricultural crops. Find solutions for bugs in your crop Bug damage Phytophagous bugs damage plants by puncturing leaves [...] resulting in deformations and puncture holes. The most obvious damage is the deformation of growing points. They also cause tissue damage and deformed [...] Hemiptera Bugs What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial

Tomato russet mite

first time in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser [...] lycopersici , also referred to as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older publications) belongs to the family Eriophyidae [...] lesser extent. Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly curled and acquire a silvery

Caterpillars

species cause damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the largest [...] The caterpillars mostly pupate in the ground. Another family containing several species that damage greenhouse crops is the leafroller family, the Tortricidae [...] name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are

Grey mould

How to prevent Grey mould Make sure the crop grows regularly with not too much vegetative growth, in order to maintain a microclimate which is not humid [...] ventilation in greenhouse crops Remove diseased plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged [...] Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or

Leaf miners

leaf miner species that cause damage in horticultural crops are mostly polyphagous; that is, they feed on many crops. However, this is not universal among [...] species in this family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate [...] miners in your crop Life cycle of leaf miners Leaf miner damage Leaf miners cause damage to plants both directly and indirectly. The most direct damage is