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Knowledge Center Crop Protection & Disinfection

The Royal Brinkman Knowledge center is divided into seven themes. Under them Crop protection & disinfection you find information from tips to prevent diseases and pests to comprehensive step-by-step plans for improving hygiene.

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For the next 5 weeks you'll receive our personalised newsletter once a week. For each region we have made a selection covering the most current topics. You can think of topics like: climate control, glass cleaning, tips for crop rotation, hygiene management, fertilization, and water management.



  • Which pests are there in the horticultural sector?

    Pests are a major threat to crops, because they can cause a lot of damage. Therefore it is important that you are able to detect a pest in the crop on time. Click through and read more about the different pests, the damage they can contain and the possible ways to combat them.

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  • Which diseases are there in the horticultural sector?

    Diseases often cause problems in crops and can do serious damage. They often cause rotting and wilting, which can cause a plant to die completely. Each disease requires a specific control. Click through and read more about the damage situation and how to combat the diseases.

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  • How do you secure a sticky trap holder?

    Sticky tape roll is often used for identifying pests in crop. But putting it in the right place seems to be a hard task for a lot of people. The sticky trap holders ease this process. They enable you to move the sticky tape along with the growing crop.

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  • Tips for increased effectiveness of Aphidoletes in the winter

    In winter it is more difficult to achieve a good result with the gall midge Aphidoletes aphidimyza. This is due to the cold weather often in combination with the start of the new cultivation. Taking into account a number of points you can increase the effectiveness of Aphidoletes in winter.

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  • Tips for hanging up breeding sachets in the greenhouse

    For the release of natural enemies you can make use of breeding sachets. It is important to realize what to bear in mind when you start using breeding sachets and hanging them up.

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  • Tips for the usage of natural enemies

    Regarding biological crop protection you are dealing with a living product. Its use is different from that with the application of chemical pesticides.

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  • Tips on how to detect, monitor and trap pests

    The importance of detecting and identifying pests in time cannot be underestimated. The sooner a pest is detected and identified, the sooner you can begin the process of trapping it. By monitoring developments as they unfold on sticky trap rolls and/or trap sheets.

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  • What are bio stimulants?

    Bio stimulants have experienced significant growth over the last few years. These products are of natural origins, making them fit in better with an integrated crop protection system.

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  • What are pheromones?

    Pheromones are chemical aromatics that are subconsciously excreted by people and animals with the aim to pass on ‘assignments’ to another creature of the same species.

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  • Quality management for natural enemies

    Natural enemies are living organisms, due to which they are extremely vulnerable products in biological crop protection. It is important that this quality is being monitored continuously.

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  • What is integrated pest management?

    Integrated pest management is a combination of the use of biology and chemical plant protection products. It consists of three steps: prevention, observation and intervention. This is used to prevent the development of resistance.

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  • Controlling whitefly with Proxyral EC

    Proxyral EC is an insecticide against whitefly. The agent is an addition to the control of this pest. Proxyral is a Royal Brinkman private label, developed to offer some choice within the limited range of chemical agents.

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  • Biological control with UniMite bio-distribution systems

    With the UniMite bio-distribution systems you ensure an even distribution of predatory mites and feed mites in the crop. This makes biological control even more effective and efficient.

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  • Crop protection application method; drip treatment

    Crop protection products can be applied to a crop in several ways: by space treatment, by spraying, or by drip irrigation. Increasingly, growers are opting for a drip treatment, because this is the safest option within an integrated system – i.e. a combination of chemicals and natural enemies.

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  • How do you control Japanese thrips (thrips setosus)?

    Since 2014, the Japanese flower thrip is also present in the Netherlands. Here, this thrip species is mainly found in hydrangeas, but the insect is also increasingly spotted on other crops.

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  • How do you control cotton aphids?

    Since the 1980s, the Aphis gossypii cotton aphid has caused much economic damage in various Dutch horticultural crops. This aphid can establish itself on more than 700 different plants, including the cucumber, bell pepper, strawberry and chrysanthemum.

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  • How do you control ants?

    Take action as soon as possible if you detect ants in your company! Our specialist will tell you more about fighting ants.

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  • How do you control leaf miner?

    Leaf miner is found in vegetable- and ornamental cultivation. The most common species of leaf miner are Florida leaf miner (Liriomyza trifolii), Pea leaf miner (Liriomyza huidobrensis) and the Tomato leaf miner (Liriomyza bryoniae).

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  • Quality control protocols for gall midges

    Gall midges are the natural enemy of various species of aphids and can therefore be used as biological control agents. Different quality control protocols apply to different species of gall midges. In these protocols you will find topics such as guidelines and instructions for storage of these products and also a quick scan check. Based on this quick scan check you can assess the quality of the delivered material.

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  • How do you check the quality of biological products?

    The quality of biology is important for effective control of diseases and pests, or in the case of bumblebees, for effective pollination. This quality is already checked by a team of quality controllers before shipment, but you can choose to check the quality yourself on receipt of biological products. This leads to the question: "How do you check the quality of biological products?”

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  • How do you control black bean aphids?

    In addition to harming beans, the black bean aphid (Aphis fabae) also causes damage to other greenhouse crops, such as alstroemeria, gerbera, cucumber and rose. Outside, this aphid only hibernates on a limited number of host plants. In the greenhouse, this aphid can develop all year round.

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  • How do you control the southern green stink bug (Nezara viridula)?

    The (Nezara viridula) southern green stink bug is a relatively new pest that is originally from Ethiopia. This pest has a large number of host plants, but in horticulture this bug mainly affects pepper cultivation.

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  • How do you control sciarid fly?

    The Sciara analis fly is an insect that is found in damp places in the crop - especially in places of algae growth. A sciarid fly generally lives on dead organic matter, but in the absence of this it also eats the roots of living plants. The pest occurs all year round in greenhouses.

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  • How do you control tomato leaf miners?

    The Liriomyza bryoniae tomato leaf miner creates a problem in crop cultivations such as tomato, pepper, lettuce, melon, gerbera and chrysanthemums. The larvae eat tunnels through the leaf, which leads to reduced stability of the plant and leaf, dehydration and release of the leaf plus reduced production.

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  • How do you control the tomato russet mite?

    Aculops lycopersici or tomato russet mite is a small mite that is invisible to the naked eye. Signs of damage caused by this mite initially consist of browning on the stems of the tomato plant. Once the tomato russet mite is in the crop for a longer period of time, the leaves and fruits of the plant may also turn brown.

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  • How do you control tobacco whitefly (Bemisia tabaci)?

    Bemisia tabaci tobacco whitefly was previously mostly found in (sub)tropical regions, but now this fly is found around the world in many different crops. The tobacco whitefly has many host plants, including bouvardia, hibiscus, gerbera, tomato, pepper and the cucumber.

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  • How do you control tomato spotted wilt virus (TSWV)?

    Tomato Spotted Wilt Virus (TSWV) is a plant disease that occurs in tomato, eggplant, lettuce and various ornamental crops. The virus is spread in different ways. The main spreader is thrips. They absorb the virus during their first stage as larvae and they can then spread it for the rest of their lives.

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  • Steinernema feltiae as a natural enemy

    The Steinernema feltiae nematode is the natural enemy of thrips, caterpillars, sciarid fly and leatherjackets.

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  • How do you control springtails?

    Collembola springtails are insects that feed on organic matter, especially in the top soil layer. They eat fungi, algae, mosses and dead leaves, among other things. This initially seems positive, but this process affects the roots of living plants.

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  • How do you control rose thrips (Thrips fuscipennis)?

    As the name suggests, this thrip species is found in roses – although this is not the biggest culprit in this crop. Although the Thrips fuscipennis rose thrip is not common in horticulture, it is good to be able to detect, recognize and combat rose thrips.

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  • How do you control Tuta absoluta?

    The tomato leaf miner moth Tuta absoluta is a very harmful leaf miner moth that is becoming an increasingly big problem in vegetable cultivation. This pest particularly affects the tomato, but it can also cause damage in eggplants and peppers. They do this by eating both the leaf and fruit of these plants.

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  • How do you control cicadas?

    Cicadas are the lesser-known insects that aspirate plant sap from plant cells, creating rows of spots or rough, white specks on the leaves, flowers and fruits in crops. In cases of severe infestation, large parts of the leaves can discolor and even die.

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  • How do you control the capsid bug?

    The capsid bug or Liocoris tripustulatus is found on common stinging nettles but also on a large number of different ornamental plants. In horticulture they are mostly found in the tops of plants of both ornamentals and in fruiting vegetables.

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  • How do you control the foxglove aphid?

    The Aulacorthum solani foxglove aphid is an aphid species. The foxglove aphid affects various vegetable and ornamental crops such as eggplant, zucchini, lettuce, tomato, chrysanthemum, gerbera and the rose.

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  • How do you control thrips?

    The Frankliniella intonsa or flower thrip is, as the name suggests, mostly found in floriculture crops. This thrip species affects a broad range of host plants and is found in various ornamental crops. Although this thrip is mostly found in bordering verges, this insect has at times also been detected in strawberries.

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  • How do you control potato aphids?

    The Macrosiphum Euphorbiae potato aphid originates from North America and, since its introduction to Dutch (glasshouse) horticulture, it is causing considerable economic damage. This aphid thrives well in many floriculture and vegetable crops including eggplant, bell pepper, lettuce, tomato and in roses.

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  • What are the side-effects of chemical pesticides?

    Many growers opt for integrated pest management, which combines biological and chemical crop protection. But not every chemical pesticide can be combined with every natural enemy, because these products can have side-effects on biology.

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  • How to prevent resistance to crop protection products

    Diseases, bacteria and weeds can become insensitive to crop protection products. When this happens, they can neutralise the effect of certain products and thus these products have no (or less) effect. In that case, we speak of resistance.

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  • Tips for working safely with crop protection agents

    In order to be able to safely work with crop protection agents, you should know what you are doing and be informed about the possible risks. For that reason, we will list a number of do's and don’ts for the usage of crop protection agents.

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  • MENNO Florades, effective against bacteria, fungi, viruses and viroids

    Disinfection is an important topic for more and more crops. The decrease in curative products during the cultivation means that every opportunity should be taken to keep plant pathogens at bay.

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  • Menno Hortisept Clean against organic dirt

    Organic pollution such as vegetable sap on both large and small areas: something many growers recognize. Unfortunately, removing these organic juices is not always so easy. Menno Hortisept Clean is a cleaning agent widely used in horticulture.

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  • Algae control with Menno ter Forte

    Algae on concrete floors, greenhouse walls, ground cover, growing gutters or growing tables are a regular occurrence at horticultural companies. This is easily removed with Menno ter Forte. This algaecide removes green deposits effortlessly. How does Menno ter Forte work and how do you apply it?

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  • 3 tips for the maintenance of disinfection mats

    A disinfection mat is a preventive hygiene solution for locations in which there is a movement of people and traffic in the horticultural industry. It helps prevent the introduction of micro-organisms and the consequences of such invasions.

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  • How to carry out a disinfection scan?

    A good company hygiene contributes to repelling pathogens. In order to map out hygiene, you can carry out a disinfection scan.

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  • How to use pH indicator strips

    To determine the pH of a liquid, you can use pH indicator strips. The pH of a liquid indicates whether a liquid is acidic, neutral or alkaline. In some cases, this is important to know, for example when you want to determine whether a disinfectant is still effective.

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  • Hygiene protocol for cucumber crops

    Hygiene is a most important factor in horticulture: with the help of various hygiene measures, we need to prevent bacteria, fungi and viruses from entering the farm or from being left behind during crop changes.

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  • Hygiene protocol for cultivation on groundcover

    Hygiene is a most important factor in horticulture: with the help of various hygiene measures, we need to prevent bacteria, fungi and viruses from entering the farm or from being left behind during crop changes.

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  • Tips for hand disinfection in horticulture

    The importance of hand disinfection is recognized more and more. With this you minimize the chance of diseases and pests entering or spreading through people. You can never take chances concerning hygiene.

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  • Tips for the procurements & use of disinfection mats

    Before the purchase of a disinfection mat, it is important to think about the use of the mat. In this way you avoid to buy the wrong type or wrong size. Our specialist provides 11 tips.

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  • What is the protocol for washing hands?

    To prevent the spread of diseases and pests it is important that good company hygiene is maintained on nurseries. An important aspect of the company's hygiene is hand disinfection. This includes washing hands.

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  • What are the advantages of disinfection with foam?

    When using liquid cleaning or disinfection methods, the efficacy of the product always depends on the interaction between the application time and concentration. Even though a grower can influence the concentration, this is not always the case with the application time.

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  • Enno Rapid, for effective hand disinfection

    Hygiene is an increasingly important subject within horticulture. Especially hand disinfection is a much discussed topic, because of the risk of contamination. Because Enno Rapid is intended for dry hands, the product can be placed in several places in the company, which reduces the risk of contamination.

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  • How does pollination with bumblebees work?

    Pollination is crucial for a good and healthy crop: without pollination, most crops will not develop or develop optimally. In present day horticultural businesses pollination through bumble bees is much less labour intensive and therefore cheaper.

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  • Tips for the usage of bumblebees

    Bumblebees ensure effective pollination within a crop. When making use of bumblebees you are dealing with a living product.

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  • How to place bumblebee hives?

    Bumblebees are offered in special hives, where they build a nest. These hives are the bases from which the bumblebees spread through the crops. It is important to position these hives in the right areas for optimum pollination.

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  • How to treat a bumblebee stitch

    Despite the fact that bumblebees rarely sting, it can still happen that you run into a bumblebee stitch. In most cases this only causes a great deal of pain, but in some cases it can also lead to an allergic reaction.

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  • How to use bumblebees in cold periods

    Bumblebees cannot navigate well with artificial light because it does not contain UV. Therefore, when using bumblebees in an illuminated crop in cold periods, a few points should be considered to prevent bumblebees from dying.

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  • How to protect bumblebees from heat

    When the sun is very strong, the temperature in the greenhouse increases. This can cause the bumblebees in the crop to overheat. This has a negative effect on pollination and, in the worst-case scenario, bumblebees can die.

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  • How to feed bumblebees

    A shortage of pollen has a negative influence on bumblebees and thus on the pollination effect. Therefore, if there is a shortage of pollen in the crop, the bumblebees should be fed manually.

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  • What is the difference between bumblebees and bees?

    Let’s first explain: bumblebees and bees belong to the same family, the Aphidae. As a consequence, they are very much alike. Still there are some significant differences.

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  • Protocol for quality control of bumblebees

    The quality of biology is important for effective pollination. This quality is checked by a team of quality controllers before shipment, but when you receive the biology you can choose to check the quality yourself.

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  • Why is working hygienically important?

    Although disinfecting of the greenhouse will prevent undesired diseases and pests, it is important to also consider possible diseases spread by people, machines and tools.

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  • How do I set up a hygiene plan?

    To handle a working method that is as hygienic as possible, drawing up a hygiene plan is adviced. This will help your business to be able to control and guarantee business hygiene as best as possible. Our specialist explains.

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  • What hygiene measures do I have to establish when entering a greenhouse?

    Upon entering a greenhouse you often see a hygiene station where you can disinfect your hands, and after that you can enter the greenhouse. It is often thought that the disinfection of hands is enough to make hands free of bacteria and prevent contamination of the crop, but this is not true.

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  • How do you establish a hygiene protocol for visitors?

    To prevent problems with bacteria, fungi and viruses, it is important to use a hygiene protocol with visitors as much as possible. The hygiene protocol is therefore part of a company's general hygiene plan. By requiring visitors to take hygiene measures, the risk of contamination is reduced.

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  • The secrets of cultivating medical cannabis: Hygiene Management

    Hygiene management is a vital aspect of cultivating medical cannabis. Not only is it a valuable crop, but the industry is also heavily regulated, making crop protection and safety challenging and costly endeavors. By having and upholding a good hygiene protocol, you can greatly reduce the risks of losing the crop due to diseases and infestations, resulting in a healthy crop and a consistent and high quality end product.

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  • Hygiene measures in greenhouse horticulture

    The impact of a plant disease on a greenhouse horticulture company can be enormous. Such a disease can be brought into the company in various ways: through people, water, materials and tools and starting material. We can help you.

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  • How do you choose the right hand soap?

    Choosing the right hand soap is an important part of the hygiene measures at a horticultural company; especially when you consider that the hands are perhaps the largest source of pathogens and the impact of a plant disease can be enormous

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  • Hygiene protocols for horticulture

    Hygiene is a very important issue in horticulture: by using various hygiene measures to prevent any diseases and pests from staying in the greenhouse, you ensure that the new crop will not be contaminated again.

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  • Hygiene protocol for pepper

    Hygiene is a very important issue in horticulture: with the help of various hygiene measures, we must prevent bacteria, fungi and viruses from entering the company or staying behind during the crop rotation.

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  • What types of hygiene stations are there in horticulture?

    Hygiene is very important in horticulture. Bacteria, fungi and viruses spread easily and you want to avoid contamination of your crop. A hygiene station provides a guarantee of hygiene before you enter the greenhouse. There are many different hygiene stations, for example for just your hands or a combination of cleaning your hands and shoes.

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  • Tomato hygiene protocol

    Hygiene is a very important topic in horticulture: we are able to prevent bacteria, fungi and viruses from entering the greenhouse and, on the other hand, to keep them behind the door during the crop rotation with the help of various hygiene measures. The tomato hygiene protocol helps with that. In the protocol you will find the steps that need to be followed for optimal cleaning and disinfection during cultivation, as well as the measures that are be taken.

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  • How do I clean materials?

    Soiling caused by the remains of plants, plant sap, soil, dust and other organic materials strongly adheres to various surfaces. A thorough cleaning is therefore of great importance in order to work hygienically and should always occur prior to starting the disinfection.

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  • What is the difference between cleaning and disinfection?

    Cleaning and disinfection are of great importance for hygienic cultivation. It’s the only way to prevent diseases, bacteria and pests, and to prevent infection of crops. But they are not the same; there is an important difference.

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  • How to prevent and combat algae in the reservoir?

    Stagnant water can cause heavy algae growth. This has multiple negative effects. First, algae growth is bad for the water quality. In addition algae can clog pipes, pumps and droppers. It is therefore important to prevent algae as much as possible and, if needed, to combat.

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  • How to clean the irrigation pipe?

    Good water quality is extremely important for a grower. Polluted water has an adverse effect on the growth of the crop. Therefore, it is important to monitor and check the water quality as best as possible. One of the aspects here is the cleaning of the irrigation pipe.

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  • Cleaning with color coding

    Using a broom in the canteen or kitchen that you just used in the toilet? Not exactly hygienic, this increases the chance of spreading viruses and diseases.

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Specialists Crop protectionAny questions?
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