Powdery mildew

underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the fluffy colonies also appear on the upper side of the [...] appearance of Powdery mildew The fungi that cause powdery mildew ( Erysiphe, Podosphaera, Oïdium, Leveillula ) are all biotrophic fungi, meaning they feed [...] absence of a living crop. They survive as ascospores or perithecia, structures containing ascospores. Ascospores have not been found yet for all powdery

Outdoor crops pollination advice

pesticides can be harmful for bumblebees and may also have long-term effects. Discuss the matter with your advisor alternatively consult our side–effect app . [...] position the hives throughout the plot. The number of hives required depends on the crop and the presence of other pollinating insects. Position the hive h [...] supplied with the hive. Read more about optimal placement of bumblebees hives here. Coexistence of bumblebees and honeybees Bumblebees and honeybees can work

Aphidius colemani

or a recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius colemani The parasitic [...] colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis gossypii [...] egg. All this happens in less than half a second. Apart from the parasitization itself, the disturbance of the aphid population by the presence of the parasitic

Fit roots for plant health Technical bulletin 2020 EN

papers, several aspects of growing are discussed, taking one or more plant balances as a starting point. For instance, how smart use of screens supports the [...] Fit Roots for Plant Health How to facilitate root health and -condition to get the best possible Plant Health Preface This white paper is one of a series [...] The root tip is where things happen: uptake of water and nutrients for the plant and exudation (or ‘leaking’) of various compounds to feed the rhizobiome

Conifer

gymnosperms or seed-bearing vascular plants. This means that their seeds are not enclosed in an ovary. All existing conifers are perennial, woody plants and [...] and secondary growth occurs in the development of conifers. Conifers are usually trees, but few varieties develop as shrubs.

Vidi Terrum

repeated a number of times Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation Com [...] and better bulb size. Crops All crops. Mode of action Vidi Terrum provides the plant with extra energy for the formation of fruit, tubers or bulbs. Energy [...] stir the content of the IBC) well before use Fill the application tank with half the required amount of water Add the required amount of Vidi Terrum to the

Vidi Parva

uptake of nutrients. Crops All crops. Mode of action Vidi Parva contains 1% tryptophan, an essential amino acid that triggers the production of auxins [...] a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation Compatibility Can be tank mixed with [...] auxins boost the formation of cytokinins which in turn induce the formation of fine roots and root hairs and promote the uptake of nutrients from the rhizosphere

Open field pollination

morning, hence the use of bumblebees, whom are early risers, is recommended. Natupol Booster is developed for crops with a short (one to four weeks) intensive [...] By following our recommendations, you can unlock the full potential of nature's pollinators and witness remarkable improvements in your crop productivity [...] Pollination plays a pivotal role in the formation of fruits and seeds. In the context of open field crop cultivation, effective pollination is key to bountiful

Trial results Onion fly and Fusarium wilt

Koppert cannot be held liable for unauthorized use. Koppert is not liable for any loss of quality if the product is stored for longer than recommended and/or [...] Before our products enter the market, they are extensively researched all across the globe. Making sure we can offer you the best solutions for a high yielding [...] general conditions of Koppert (Koppert B.V. and/or of its affiliated companies) apply. Only use products that are permitted in your country/state and crop

Air Blowers to distribute and apply beneficials

time by using one of our blowing systems instead of hand application Introduce several predatory mite species in one way Uniform distribution of natural enemies [...] release of carrier material containing natural enemies. The airflow from the fan guarantees the even distribution of this material up to a distance of 10-12 [...] release of carrier material containing natural enemies.The airflow from the fan guarantees the even distribution of this material up to a distance of 3-5 metres