• Cotton aphid

  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 [...] retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded growth and defoliation [...] and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest in European

• Potato aphid

  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 [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly [...] early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content

• Sciarid flies

  appearance of Sciarid flies The life cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar, and the adult. The adult insects [...] damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on algae and fungi present in the soil [...] Pupation takes place in a small hole in the ground. Pupae are white, but later become yellow to brown. The posterior end of the pupa remains mobile.

• Grey mould

  cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause death of the plants. In cucumber and tomato the fungus causes lesions [...] compounds that kill the plant cells and then uses the content of the plant cells as nutrients. On the infected area, new spores are formed within a few days. Under [...] lesions on pruning wounds. These lesions may encircle the stem, so the part of the plant above the lesion wilts and dies. In vegetables and strawberry,

• Mycotal your natural partner for whitefly and thrips control

  applied to the target pest, the spores of the fungus Akanthomyces muscarius attach to the whiteflies and thrips and germinate, penetrating the insect's cuticle [...] bio-insecticide that contains the blastospores of Akanthomyces muscarius Ve6. Mycotal is a biological solution for a range of pests, including whiteflies and [...] and invading the body cavity. Once inside, the fungus releases enzymes that break down the insect's internal organs, leading to its death. The fungus then

• Aphids

  aphids have two pairs of wings, one of which is much larger than the other. For a large part of the season an aphid population consists of viviparous females [...] several ways, and the damage can vary depending on the species of aphid and the type of plant being attacked. The following are common signs of aphid damage: [...] throughout the world. Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed

• Pine processionary moth

  but also during the following summer because of the persistence of allergenic hairs in the remains of winter nests The larvae of the Pine processionary [...] reducing the viability of oak trees. Life cycle and appearance of Pine processionary moth The female moth has a wingspan of 36-49 mm; the wingspan of the male [...] enlarge until the fourth instar when the definitive winter nest is built. In general, this is situated at the branch tips in the upper part of the crown. At

• Spider mites and other mites

  and the availability of food. Here's an overview of the life cycle of plant mites: Egg: The life cycle begins with the female mite laying eggs. The eggs [...] laid on the underside of leaves or on other parts of the plant. The number of eggs laid by a single female can vary, and they can hatch within a few days [...] on of the leaves, with the affected areas curling and twisting. This damage is caused by the mites feeding on the plant tissue, which disrupts the growth

• Knowing & recognizing

  photographs, and dozens of illustrations of the most prevalent pests, diseases and their natural enemies. This book provides the reader with the necessary information [...] characteristics. Shop now Koppert - A knowledge company The use of biological control is not a simple process, it has become a complex system in which many aspects [...] giving you the ability to recognize the pest or disease you are up against by means of detailed illustrations and close-up photographs. The knowledge gained

• Comprehensive Control Combination for Carrot Fly

  May 13, 2022

  attributed to the creamy white third instar larvae. The adult fly is 6-8 mm long, has two pairs of wings, a reddish-brown head, a shiny black thorax and a dark [...] stored in the ground overwinter) Capirel contains an infective juvenile stage of the parasitic nematode Steinernema feltiae . Once a nematode enters a Carrot [...] releases a toxic bacterium, which causes septicaemia and death. The summer treatment, against second generation larvae, is pivotal in the management of this