• Green peach aphid

  control of Myzus persicae FAQ Chrysopa-E Green peach aphid damage Of all the aphids , the green peach aphid ( Myzus persicae subsp. persicae ) is the most [...] 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

• Healthy seed: the basis for a healthy crop

  May 6, 2024

  been established at the European level. Tilletia caries survives in the early stages of the crop cycle and can infect the plant and be systemically present [...] during seed production in the previous season. The infected seeds then transmit the disease to the yet-to-be-developed crops in the new season. It is not always [...] cause infections of the leaves or ear later in the crop cycle. The most common seed-borne diseases and their characteristics Some of the most common seed-borne

• Cabbage leafroller

  forming a “V” when at rest. At rest, the wings are held folded almost horizontally over the body. The antennae are thin and of medium length. The moths fly when [...] when it is dark. The yellow eggs are laid in batches of 10 to 90 pieces and covered with a gelatinous layer on the upper side of leaves, preferably on major [...] colour. The ventral surface is lighter than the dorsal, with hairs located in warty spots that are lighter than the general body colour. In general, the caterpillar

• Trianum-G

  Trianum-G grows around the mycelia of the pathogens. The cell walls of the pathogens break down and the pathogens die. Strengthening of the plant Trianum-G improves [...] n. Dosage The dosage of Trianum-G depends on the crop and should always be adjusted to the particular situation. Check the label to find the recommended [...] uniformity. Crops Trianum-G can be used in most crops. Mode of action The mode of action of Trianum-G is based on the following mechanisms: Competition

• Smaller green leafhopper

  grape varieties, the feeding of the leafhoppers initially causes light green and later yellow discolorations of the areas between the leaf veins, starting [...] than the body. They lay their eggs into the tissue of leaf veins and stalks. Therefore the eggs cannot be seen. There are five nymphal instars. The first [...] instead of yellow. Often damaged leaves are brown and dry at the margins, red further inwards and green in the centre. Life cycle and appearance of Smaller

• Tomato looper

  three pairs of prolegs, instead of the normal five and therefore the caterpillar moves with the same looping motion as an inchworm (geometrid). The cocoon is [...] white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the hairy dorsal plume [...] however, it can also be found in the soil. The pupa has a pale green body, with a dark brown ventral dorsal stripe, but the body can also be entirely brown.

• 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 [...] 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 [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly

• Broad mite

  to the damage caused by viruses. The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites [...] appearance of Broad mite The life cycle of tarsonemid mites has the following stages: egg, larva, and adult. The larvae have three pairs of legs, adults [...] lay their eggs mainly on the underside of the leaf or on the fruit surface. The elongated, oval eggs are firmly attached to the surface and are rather large

• Nematodes established solution for Nesidiocoris in France

  July 9, 2020

  several blocks to regulate the bug and have tried several application methods: the small backpack sprayer directed at the head of the plant in a very localized [...] demonstrating the interest in the method that we have validated in the field. The results are very clear. It is very effective on the larvae. The nematodes [...] close to Nesidiocoris . Therefore, Capsanem must be aimed at the top of the plant and run-off must be avoided. We honed our recommendations to try to affect

• Red plum maggot

  Droplets of dried up gum can be seen at the entry holes. Life cycle and appearance of Red plum maggot The adults of Cydia funebrana have a wingspan of 11-15 [...] symptoms The mines produced in the fruit quickly become brownish and the flesh in the area near the stone is eaten and converted into a mass of wet brown [...] depending on the location. Eggs are laid on fruitlets from May or June onwards, usually just one per fruitlet. The eggs hatch after about two weeks. The emerging