• Cutworms

  occasionally tunnel into the growing stalk, disrupting the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale [...] Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually feed on roots [...] usually observed as a cutting of young seedlings, often causing death of the cut seedlings. Sometimes wilting is observed because of partial cutting. A larva

• 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 [...] mimics the pine shoots. The larvae develop through five instars and the full-grown caterpillar is about 40 mm in length. The head capsule is black. The body

• Cerall Brochure

  damage, the mixing bowls and other accessories should be emptied after use. In continuously operating seed treatment equipment, the exact setting of the sprayer [...] seedling emergence, and affect the crop also in a later stage. For most of these diseases, seeds are the primary carrier of the infection. Cerall offers a [...] Cerall can be safely applied together with a wide range of other seed treatments, but can be adversely affected by some others. Compatibility of Cerall with

• 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 [...] 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 [...] eggs of the adult Spidex Vital females were counted every day. This was carried out head to head with “regular” Spidex females and conformed to the standard

• Chrysoperla carnea

  populations. The larvae of green lacewings are particularly effective predators. The green lacewing Chrysoperla carnea is used for the control of the following [...] hairs. The larvae are not easily observed and are mainly active at night, sheltering under the plant or the rim of the pot, during daylight hours. The larvae [...] honeydew and most will fly out of the greenhouse. Life cycle of Chrysoperla carnea You can recognize the different life stages of the green lacewing, Chrysoperla

• Fit roots for plant health Technical bulletin 2020 EN

  pattern in the slab. The composition of the nutrient solution in the root zone is frequently monitored by analysis. But only the composition of the plant sap [...] (rhizophagy), release the nutrients inside the roots, then release microbes back to the root zone. Measurement of the composition of the rhizobiome is more [...] inexpensive method that could open the door to frequent monitoring of the microbiome. The role of the root system within the three plant balances As many things

• Macrocheles robustulus

  is used for the control of the following pests: Sciarid flies (fungus gnats) Thrips Lyprauta larvae The predatory mites feed on larvae of sciarid flies [...] and other soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems. Feeding behaviour of Macrocheles robustulus Predatory [...] density and should always be adjusted to the particular situation. Start introduction preventively or as soon as the first pests are detected in the crop.

• Tomato leaf miner

  roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate [...] 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 stages: [...] percentage of the larvae remain hanging on the leaf and pupate there, sometimes on the upper surface but more commonly on the underside. The late third

• Fruit grower uses Natupol Tripol for outdoor pollination

  for optimal pollination of their apple and pear orchards. Situated in the Betuwe fruit growing region of the Netherlands, the 80-hectare orchard grows [...] our order for the hives in good time for the blossoms. The provision of information by Koppert consultants is good and I am satisfied with the results.’ [...] optimally by the honeybees present at the time. ‘Bumblebees are more active than honeybees at lower temperatures, and we have found that a combination of honeybees

• Cabbage leafroller

  rest, the wings are held folded almost horizontally over the body. The antennae are thin and of medium length. The moths fly when it is dark. The yellow [...] in batches of 10 to 90 pieces and covered with a gelatinous layer on the upper side of leaves, preferably on major veins or depressions in the epidermis [...] 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