• Black sigatoka disease

  conidia. The ascospores are wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types of spores cause the exact same [...] them, so the spores cannot be discharged from the lower leaves in the stack Use under-canopy (drip) irrigation to reduce splash dispersal Lower the humidity [...] or streaks on leaves of about one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in size and turn

• Steinernema carpocapsae

  ultimately killing the host within a few days. The nematodes then feed and reproduce within the cadaver of the dead host, resulting in the emergence of a new [...] nematodes penetrate the pest's body through natural openings. Once inside the pest, the nematodes release symbiotic bacteria, typically of the genus Xenorhabdus [...] Distribute the spraying solution evenly over the soil/medium surface Application through irrigation systems: Pressure-compensated irrigation systems are recommended

• Biological control of thrips in leek with Orius

  November 2, 2023

  Lobularia, which are planted or sown at the beginning of the season. It is important to release Orius early in the crop cycle so that the population can [...] use of machinery in the field. Prepared for the Future The chemical insecticides that can be applied are becoming more limited and are increasingly subject [...] y reduces workload during the season. An additional advantage is the increase in biodiversity on your field, as no insecticides are applied. This attracts

• Loose smut of wheat

  Loose smut of wheat The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives [...] survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia. It [...] inner tissues of the newly infected seed. During maturation of the seed, the mycelium becomes thick-walled and swollen as a dormant survival structure. Infection

• Thripor-L

  encourage mating Make sure the material remains undisturbed at the introduction site for a few hours after application Dosage The dosage of Thripor-L depends [...] should always be adjusted to the particular situation. Start introduction as soon as the first thrips are detected in the crop. Introduction rates typically [...] of action The predatory bugs actively search for prey. With their piercing mouthparts, they extract the contents of their prey, leaving the empty skin

• Loose smut of barley

  smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives [...] survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia. It [...] inner tissues of the newly infected seed. During maturation of the seed, the mycelium becomes thick-walled and swollen as a dormant survival structure. Infection

• Bumblebee hives with a sustainable future

  August 19, 2021

  some years now. More recently, the plastic components of the hive, such as the ‘bee home’ door and the inner lining of the hive have been produced from 100% [...] recycled plastic waste. The printing ink used on the exterior of the packaging is free of heavy metal substances. Sustainable steps taken The post-consumer recycled [...] used for the Natupol hives is of a high-quality grade and has been thoroughly tested to secure both functionality of the product and the needs of the bumblebees

• Thrips Identification Guide

  that causes the leaf to roll, or the leaf may fold along the midrib. Ficus benjamina. This thrips identification poster was funded by the Dutch ‘Prog [...] ficus Gynaikothrips uzeli 1 Pronotum is the foremost dorsal shield of the thorax. 2 Dorsal shields below the pronotum. Wing Meso- and metanotum2 Abdominal [...] on the lower leaves in plants. Adults not very active flyers and not often found on sticky traps. All stages stay on the plant, no pupation in the substrate

• Koppert to introduce digital assistant in 2024

  December 19, 2023

  2024, we are taking the next step with the introduction of a digital assistant. Koppert's new digital assistant will combine the best of the digital and [...] What began in a greenhouse and has journeyed into the field, is entering the digital domain. For over 50 years, we have been pushing agricultural innovation [...] our conversations with growers, we are able to provide the right solution for their crop protection challenges. We are embracing digital technologies to make

• Perfect potted hydrangeas for super-strict customers

  December 3, 2019

  Entonem and Hypoaspis miles product are also used at the start. An astonishing result The approach is virtually the same in the propagation phase, except that [...] possible. The most troublesome pests in Van Geest’s potted hydrangeas are thrips , aphids , and spider mites . Thrips are tackled once at the start of [...] astonished by the result.’ For Pieter, the greatest threat is not in the shrinking number of pest control products or more stringent rules, but in the lack of