• Phytophthora: symptoms starting to show

  April 7, 2021

  under pressure. When plants are going through this generative transition or have a high fruit load in relation to the root capacity, then any susceptibility [...] Vidi Parva (4-5 L/ha) when there is any concern about root stress or dieback. After two or three applications, growers should be able to see root regeneration [...] available, so we either accept the losses caused by the weak and dying plants, or look at taking steps to promote plant health , and help the crop get through

• Steinernema feltiae

  bottom of the spray tank Avoid sprayers equipped with centrifugal or piston pumps Water tank temperature must not exceed 25°C/77°F and pH must be between [...] adjuvant and/or an anti-desiccant/humectant can be beneficial. Ask your Koppert representative/distributor for more information Spray in the evening (or morning [...] control pests through a process called parasitism. When applied to the soil or sprayed onto plant foliage, these microscopic roundworms actively seek out

• Yes, I’m satisfied with Natupol Booster and Koppert’s services!

  Bumblebees are more active at low temperatures or bad weather than natural bees Bumblebees have a high capacity to visit more flowers and are able to carry [...] insulated and contain more sugar water, especially when first blossom did not start yet. Ones the blossom started ( 10% or more) Natupol Boosters is more [...] main reason is to ensure proper pollination regardless of weather conditions or the wildlife present in the area. In our experience the cost of pollination

• Trianum effectively controls Pythium in cucumber

  Built in 2011, the farm has two sections. Hendriks grows high-wire (two crops per year) under high-intensity lighting (190 micromol). He sells his cucumbers [...] 20 hours of light a day, which means it requires a lot of water. That larger quantity of water makes the plant more susceptible to Pythium. That’s why I [...] be faced with another situation like that.’ The crop receives 20 hours of high-intensity light every day, which makes it susceptible to Pythium. A very

• Tutasan

  trap Add a small quantity of vegetable oil or liquid soap to the water Application Place the traps on the soil or substrate Maintain a distance of 15-20 metres [...] the trap Fill the trap with water to the level indicated If possible connect the trap to a dripper and make sure the water drips properly into the trap [...] pheromone which lures the male moths to the trap where they get trapped in the water. Trapping males reduces the amount of eggs laid by females who fail to mate

• Mycotal_-_Brochure_-_A4_-_EN_-_GS_Koppert_2025_-_Digital.pdf

  particularly relevant in IPM systems in crops’ early or late stages and/or grown through the autumn, springtime or even winter period. 07 Click here to learn [...] applications at the first sign of pest infestation Avoid watering and use an appropriate amount of water to ensure a good wetting of the leaves, pH of spray [...] Ultimately, this leads to a generalized infection (septicemia) and death At high humidity, the fungus grows from within through the insect cuticle and produces

• Grey mould

  need moisture (dew, rain, irrigation water) and nutrients for germination. Germination also happens at very high relative humidity (RH > 93%) on dry plants [...] many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil. Damage [...] flowers, usually small round specks occur first, called ‘pocks’. These may or may not grow into larger grey-brown lesions. The symptoms on fruits, flowers

• Garden chafer

  species. High populations of larvae can destroy plants under field conditions. Established crops are more resistant to damage than young plants or recently [...] green to shiny black. In Central Europe, they emerge from the soil in May or June. Low swarming flights just above the soil surface are very characteristic [...] The eggs elongate at laying but in time become nearly spherical through water absorption. Chafer larvae (grubs) have brown heads and whitish bodies, and

• Vidi Fortum

  the required amount of water Add the required amount of Vidi Fortum to the water Mix thoroughly Add the remaining amount of water Apply immediately after [...] be applied via drench or drip at the base of the plant, around the roots or sprayed on the plant canopy. Application as drench or via the irrigation system: [...] irrigation water after the sand filter, ideally directly injected at the irrigation valve by means of an injection pump (e.g. Dosatron) or Venturi system

• Pierce's disease of grapevine

  In plums, the first symptoms are irregular chlorosis or browning of leaves along the margin or the tip from early to midsummer. The necrotic area spreads [...] the plant species: in peach, bacteria are found in high numbers in the roots, whereas in plum, high numbers are found in leaves and fruits. The bacteria [...] vectors by using netting or applying insecticides Remove wild host plants and weeds to reduce the source of inoculum Use hot water treatment of dormant cuttings