Thrips

Thysanoptera Thrips What are thrips? Several species of thrips are a major problem in greenhouse horticulture. The Western flower thrips ( Frankliniella [...] occidentalis ) is the most damaging species. Thrips form the order Thysanoptera, a name that literally means ‘fringed wings’, and refers to the eyelash-like fringe [...] and the black dots of their excreta indicate their presence in the crop. At a later stage, the empty cells become desiccated and the adjacent cells turn

Grower Koen - Embracing biological crop protection in agriculture

decided to find a balance between both approaches. This way of working allows him to gain experience in using biological crop protection . As a result, he acquires [...] ies to adapt my farm to a future where chemical methods will gradually disappear. I believe that the agricultural sector has a natural interest in such [...] emphasizes that his approach stemmed from both practical considerations and a conscious choice. Inheriting the farm from his parents, Koen had the opportunity

Cottony cushion scale

temperate regions, but is not generally a pest in these situations. Damage symptoms Cottony cushion scale is a particular pest of citrus, Acacia spp . [...] from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running lengthwise over the surface [...] to California in about 1868 and devastated the citrus industry there until a natural enemy from Australia was introduced in 1888. This was the first ever

Gherkin

Australia) is actually a regular cucumber that is pickled in vinegar, a brine or some other solution. It is then left to ferment for a certain period of time

Apple

tics. Ripe apples usually have a red, yellow, green, pink, or russetted coloured skin. Additionally there exists also a wide range of bi- or tri-colored [...] cultivars. The skin of the apple is protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured exocarp. Sometimes their

Caterpillars

can rapidly decimate a plant. Very small caterpillars are not able to chew and therefore graze the underside of leaves. This causes a window effect where [...] of butterflies and moths. Butterflies and moths form the order Lepidoptera, a very large group with more than 150,000 species, that are easily distinguishable [...] s often live in rolled-up leaves. Although some species are restricted to a single crop, most are polyphagous. Find solutions for caterpillars in your

Woolly apple aphid

General The woolly aphid, Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other [...] infested apple rootstocks. It can occasionally also be found in pear, quince and a few other woody Rosaceae. Damage symptoms Galls are often produced on infested [...] but the sticky masses of “wool” may contaminate leaves and fruits and can be a nuisance at harvest time. Life cycle and appearance of Woolly apple aphid In

Diamond back moth

with a few short hairs and small white patches. The larva has five pairs of prolegs; one pair of prolegs protrudes from the posterior end, forming a distinctive [...] distances to invade crops in other regions. Damage symptoms The caterpillar is a surface feeder. They feed from the lower leaf surface, leaving the wax layer [...] The pupae of the diamond back moth (Plutella xylostella) are covered with a white, loose, silken cocoon, usually formed on the lower or outer leaves. They

Orange

the Citrus X sinensis is regarded as a sweet orange, while the fruit of the Citrus X aurantium is recognized as a bitter orange. Recommended for you [...] navel oranges, blood/pigmented oranges and acid less oranges. The orange is a hybrid and derives from pomelo ( Citrus maxima ) and mandarin ( Citrus reticulata [...] traced to about 25% pomelo and some 75% mandarin. The hybrid however is not a basic backcrossed BC1 hybrid, but the orange is actually hybridized over multiple

Neoseiulus californicus

should be repeated at least five times at weekly intervals. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] pollen. Feeding behaviour of Neoseiulus californicus Neoseiulus californicus is a selective predator of Tetranychid mites, i.e. it prefers to feed on spider