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• Leaf miners

  quantity of foliage can be lost before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host [...] order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants, creating ‘mines’ [...] There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural conditions, the larvae of these species are p

• Perfect Potted Hydrangeas for Super-Strict Customers

  December 6, 2019

  given after one and two weeks using the Airobug from Koppert. "This way we have a number of strong armies in our crops at the start of the finishing process [...] or more stringent rules, but in the lack of uniformity in legislation. "Customers are increasingly limiting the number of products that they will allow [...] Pieter. Entonem and Stratiolaelaps scimitus products are also used at the start. An astonishing result The approach is virtually the same in the propagation

• Aphidius colemani

  First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species, and whether [...] Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis [...] enables the wasps to track down and parasitize aphids , even when they are at low density. The behaviour of the female during egg-laying is typical of the

• Sportnem-T

  (Gryllotalpa spp. ) and various other species. Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. [...] Preparation Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing at [...] contents of the bucket into the half-filled spray tank (except when tank mixing with a compatible product) Maintain agitation of mixture in the tank (e.g. with

• New edition Insect Pest Management

  November 4, 2020

  speed on all the developments!' The book covers monitoring and forecasting of pest outbreaks, yield loss and impact assessments and all of the latest methods [...] Originally written in 1991 and updated in 2000, the third edition of this valuable reference book will soon be released. Published by CABI and showing a Koppert [...] 50 th anniversary celebrations in the Netherlands three years ago and have since updated and edited the third edition of Insect Pest Management . 'IPM is

• Ervipar

  mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first [...] parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develop inside the aphid, which converts [...] slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage of Ervipar

• Keep a Close Eye on Thrips

  May 21, 2020

  to find the larvae. In some crops, you will find them mainly in the heads of the plants, while in others they tend to be in the flowers or on the leaves [...] trace the larvae. This increases the chance of successful pest control. The yellow Horiver sticky traps can be found in almost every greenhouse, and for [...] identify the thrips problem, the better the chance of success in eliminating it. Detecting the larvae requires practice. Considering how small the larvae

• Horiver Wetstick

  Echinothrips americanus Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] 15-25 cm above the ground for young plants and 50 cm above the ground for mature plants Replace the traps when largely covered by insects and/or debris Dosage [...] wires or sticks at max. 30 cm above the crop and adjust height when plants are growing Do not place traps in-between the plants as parasitic wasps will then

• Bacterial wilt, brown rot

  show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole plant [...] soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Damage symptoms In potato, field [...] s roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish