Spidex Vital Trial Results

formed the foundation of our spider mite control. Over time it grew to be one of the most important products for our growers. As the result of many years [...] consumption of spider mites (nymphs and/or adults), that the pigments are absorbed and Spidex changes colour. The speed of colour change is dependent on the amount [...] released on the first plant of each row (yellow star) a week later. Results: a larger population of Spidex Vital reached the infested plants due to the fact that

Ercal

carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] in the crop, if possible approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Ercal depends [...] whitefly ( Bemisia tabaci ). Mode of action Adult female parasitic wasps parasitise the second and third larval stage of the whitefly . Additionally, host

Cotton aphid

as chrysanthemum and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest [...] including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded growth

Potato aphid

General The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky

Cottony cushion scale

period of 2 to 3 months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves. The next two instars migrate to the larger [...] control. The cottony cushion scale has subsequently spread widely through most of the tropical and subtropical countries of the world. It is also periodically [...] running lengthwise over the surface. The ovisac may reach the same length as the body, giving an overall combined length of up to 20 mm. The 'females' are actually

Woolly apple aphid

females of the woolly aphid are 1.2-2.6 mm long, purplish brown and covered by masses of white, mealy wax. The siphunculi are pore-like and the cauda is small [...] 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 [...] cracks and under loose bark. The nymphs become active in late March or April (in the northern hemisphere) and around the end of May, large colonies covered

Carnation tortrix

(with a dark brown band in the females and two red bands in the males) and the hindwings (bright orange) ensure that the moths of the species are easy to recognize [...] Each female of the carnation tortrix ( Cacoecimorpha pronubana ) is capable of laying up to 700 eggs, deposited in batches of 10 to 200 on the upper surface [...] General The carnation tortrix ( Cacoecimorpha pronubana ) is a Mediterranean species belonging to the family of Tortricidae . It occurs in the Middle East

Greenhouse whitefly

General The greenhouse whitefly ( Trialeurodes vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world [...] and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking [...] whereas the rest of the larvae stadia remain flattened on the leaf. The fourth larva stadium develops into a white, oval case encircled by a ring of erect

Cabbage leafroller

flowers. It is these webs that cause the leaves to curl. Many of these webs are empty, and it is thought that the caterpillars probably make a series of webs [...] are thin and of medium length. The moths fly when it is dark. The yellow eggs are laid in batches of 10 to 90 pieces and covered with a gelatinous layer [...] layer on the upper side of leaves, preferably on major veins or depressions in the epidermis. The caterpillar has a dark green to black head capsule and

Trichoderma harzianum

harzianum reinforces the defence mechanism of the parts of the plant above the ground, so-called induced system resistance (ISR). Absorption of fixed and non-fixed [...] pressure is potentially high, the crop is sensible to soil diseases. If the crop cycle is long it is advised to perform regular applications with Trianum-P [...] harzianum grows faster on the surface of the root than soil borne pathogenic fungi, which get no change to establish themselves on the roots. Competition for