• Bugs

  deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic substances that they inject into plants while feeding [...] Biological control of bugs Bugs can cause extensive damage to greenhouse and field crops by feeding on plant tissues and fruits, leading to deformation [...] insects. Their life cycle consists of an egg, usually five nymphal instars and the adult insect. Several species of especially the families Miridae and

• Tomato leaf miner

  tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged [...] ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused by leaf [...] fungi or bacteria enter the plant tissue via the feeding spots. Life cycle and appearance of Tomato leaf miner The life cycle of a leaf miner has the following

• American serpentine leaf miner

  tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged [...] ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused by leaf [...] bacteria enter the plant tissue via the feeding spots. Life cycle and appearance of American serpentine leaf miner The life cycle of a leaf miner has the

• Biocontrol for Spider Mites

  April 24, 2020

  wide range of pesticides. Overview of Mite Plant Damage Larvae, nymphs and adults of two-spotted spider mites cause damage to the host plant by feeding [...] the control of spider mites on cucumber plants, and thus laid the foundation for the biological control of many plant pests on numerous plants in the ho [...] ve capacity means that they are capable of destroying plants very rapidly. Additionally, the widespread use of chemical control agents has resulted in

• Want to Tackle Diseases and Pests in Roses?

  July 14, 2020

  control (IPM) of thrips is strongly based on predatory mites . The most effective type of predatory mite depends on local conditions and the type of thrips that [...] Koppert has a wide range of biological pest control products that help keep your crops healthy and vigorous. Here is a list of options. Western Flower Thrips [...] good news is that aphids have all sorts of natural enemies. The best strategy for you to use depends on the type of aphid you encounter. The options in a

• Aphids and How to Protect Your Crop

  April 3, 2020

  biological control is becoming the preferred method of controlling these pests. Overview of Aphid Plant Damage Aphids excrete honeydew, which attracts mold [...] growth and reproduction. Toxic substances can be transmitted into the plant. As a result of their enormous reproductive capacity, aphid infestations develop [...] reproduce asexually and are notorious virus vectors, they have quickly become one of the most threatening greenhouse pests. For a long time, in crops where natural

• Vine mealybug

  an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering [...] Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation

• Southern European marshland pyralid

  feeding on a wide range of hosts from 38 plant families. They include ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such [...] strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft woody or herbaceous plant stems [...] forewing. The end of the remarkably long abdomen bends upward almost vertically, with the abdomen of males often being longer than that of females. Another

• Long-tailed mealybug

  range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy bug but it nevertheless encompasses many species of (ornamental) [...] an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering

• Glasshouse potato aphid

  the fruit of sweet pepper it secretes a toxic substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced [...] produced) lifecycles. There is no alternation of hosts, and the two types of life cycles occur on the same host plant. The aphid can overwinter not only in g [...] aphid ( Aulacorthum solani) is a native European species of aphids , seriously affecting crops of sweet pepper in particular. These aphids further affect