• Verticillium wilt

  with the transpiration stream. As a defence mechanism, the plant produces gum in the vessels. The presence of both the fungus and the gum causes the xylem [...] to recover at night. The symptoms may occur only in parts of the plant. Cutting the stalk horizontally reveals a slight discolouration of the vessels, brown [...] mostly cause wilting of plants. The wilting starts at the lower leaves. These leaves are pale-green, then orange-yellow. In the beginning the plant seems to

• Crop Protection

  harm to the environment, non-target organisms, and human health. Biocontrol agents encompass a wide range of approaches, including the use of beneficial [...] residues on crops. This enhances food safety and reduces the risk of pesticide residues in the food chain, addressing consumer concerns about chemical exposure [...] management practices. Growers will be ready to meet future challenges with confidence and a well-established understanding of biocontrol's benefits. Lower

• New website for Koppert India

  June 16, 2020

  ons of the life cycles. The product page explains how the Koppert products work. Our popular videos of our beneficials show a detailed analysis of how [...] provide a clear overview of the pest or disease. The grower can easily identify the pest or disease through close-up photos, images of damage symptoms, videos [...] how the pests are controlled. The website will be further expanded in the next few months with videos about how to best apply these beneficials and other

• Enermix

  effective at temperatures between 20°C and 25°C (68 and 77°F). At a 24 hours average temperature below 17°C/63°F the control of whiteflies may be insufficient [...] performance of Eretmocerus eremicus the 24 hour average greenhouse temperature needs to be at least 20°C/68°F. Eretmocerus eremicus is still active at temperatures [...] carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in

• Early blight

  occur at the side of the stem. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread to the flowers [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant [...] and to the crown. Sporulation of Alternaria occurs at temperatures from 2-4 °C up to 28-30 °C (optimum temperatures lie between 15 and 28 °C) and at a relative

• Black rot of carrots

  cause primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8 years. Damage symptoms [...] appearance of Black rot of carrots Black rot of carrots ( Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant

• Cottony soft rot

  range of host plants. Damage symptoms The first symptoms of a cottony soft root ( Sclerotinia sclerotiorum ) infection are water-soaked lesions at the stem [...] (fruiting bodies) containing ascospores. The mycelium infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses [...] mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant tissue

• Citripar

  make a hole in the sticker on the lid. Use the label to hang the tube in the crop following the instructions on the label itself. Hang the tube on a place [...] develop in the mummified skin of the host and look like swollen mealybug larvae. Empty pupae have an irregular exit hole at the posterior end of the mummy after [...] per m 2 /release. Releases should be repeated at least 3 times at an interval of 1-2 weeks. Consult a Koppert advisor or a recognized distributor of Koppert

• Predatory mites

  severity of the pest problem, multiple releases of predatory mites may be required. Follow the recommendations of your crop consultant for the frequency of releases [...] Quantity: Determine the appropriate quantity of predatory mites needed based on factors such as the size of your crop and the severity of the pest infestation [...] development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus persimilis . Over the years, we have further

• Fusarium spp.

  inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant [...] discolouration of the xylem vessels, which can be seen when the stems are cut. In banana, whole plantations may die, and the soil may not be suitable for [...] infection of the roots at the root tip, or in small wounds, for example where lateral roots branch off the tap root. F. oxysporum grows inside the roots towards