Pesticide Application Training and Resource Guide

Getting started with pesticide application requires proper training and resources.

To begin, it's essential to understand the importance of calibration in pesticide application. Calibration involves adjusting the equipment to ensure the correct amount of pesticide is applied. This step is crucial to avoid over- or under-dosing, which can lead to reduced effectiveness or increased environmental impact.

A well-trained applicator should be familiar with the different types of pesticide application equipment. There are three main types: ground boom sprayers, air blast sprayers, and air-assisted sprayers. Each has its unique features and applications, and understanding their differences is vital for effective pesticide application.

The Environmental Protection Agency (EPA) sets guidelines for pesticide application, including the use of personal protective equipment (PPE). PPE includes items like gloves, masks, and goggles, which help prevent exposure to hazardous chemicals.

Broaden your view: B T Organic Pesticide

Selecting the right nozzle is a crucial step in pesticide application. Nozzles come in a wide variety of types and sizes, each designed for a specific target and application.

The type of chemical being applied is a key factor in choosing the right nozzle. Herbicides, insecticides, fungicides, fertilizers, and growth regulators all require different nozzle types.

The mode of action of the chemical also plays a role in determining the right nozzle. Systemic or contact action requires different spray coverage.

Application type, such as broadcast, band, directed, or air-assisted, also affects nozzle selection.

Risk of spray drift is another important consideration when choosing a nozzle.

Requirements noted on pesticide labels must be followed.

To minimize spray drift, it's essential to choose a nozzle that produces the right droplet size. The American Society of Agricultural and Biological Engineers (ASABE) classifies nozzles based on droplet size, with classes ranging from Extremely Fine to Ultra Coarse.

Most agricultural nozzles produce droplets ranging from Fine to Very Coarse. Nozzles producing Coarse or coarser droplets significantly reduce spray drift.

Here are some tips to keep in mind when selecting nozzles to minimize spray drift:

Special attention must be given to the selection of nozzles when applying pesticides containing 2,4-D and Dicamba. The labels of these herbicides include specific requirements for nozzles and operating pressure ranges.

Before you apply pesticides, it's essential to prepare the area properly. This means clearing the area of any debris, toys, or other items that could be damaged or contaminated.

Make sure the area is dry and free of any standing water, as this can affect the pesticide's effectiveness. The ideal temperature for pesticide application is between 50°F and 90°F.

Remove any plants or trees that could be damaged by the pesticide, or take steps to protect them with a physical barrier. This will help prevent damage to desirable vegetation.

Check the pesticide label for any specific preparation instructions, such as the need to mix the pesticide with water or other chemicals. Always follow the manufacturer's instructions carefully.

Ensure that the area is well-ventilated to prevent the buildup of fumes, which can be hazardous to your health.

Reading and following labels is crucial for pesticide application.

Product labels often provide vague statements, leaving it up to the operator to determine the best course of action.

To ensure proper application, review the label carefully and look for specific recommendations and requirements.

Some labels will specify nozzle types or sizes, such as "use nozzles that provide medium spray quality."

In these cases, choose a nozzle that meets the required droplet size while satisfying other requirements like gallons per acre application rate.

Increasing pressure can lead to smaller droplets and improved coverage, but be aware that it may also increase spray drift.

Typically, systemic products don't require thorough coverage, but contact-type products work best when applied evenly.

Increasing spray application rate can also help achieve higher levels of coverage, regardless of the spray quality class.

Curious to learn more? Check out: Systemic Insecticide Spray

Tank mixing is a crucial step in pesticide application, but it requires careful planning to avoid compatibility problems. To minimize these issues, add and thoroughly mix products one at a time, starting with those that are hardest to mix.

To ensure thorough mixing of dry formulations, make a pre-slurry mix by combining them with a little water to form a paste before adding them to the tank mix. This step is especially important for dry formulations like wettable powders, dry flowables, and water-dispersible granules.

When mixing pesticides, it's essential to follow safe practices to reduce the risk of accidental exposure and poisoning. Locate the mixing and loading area in a well-ventilated, well-lighted place away from people, animals, food, and other items that might be contaminated.

To prevent back-siphoning into a water source, leave a distinct air gap when filling a tank using a water pipe or hose, and place the pipe or hose end well above the surface of the pesticide mixture.

Here's a summary of the tank mixing order to keep in mind:

Remember to follow the recommended tank mixing order to ensure a uniform spray mixture and prevent compatibility problems.

Calculating Chemical Product Quantity is crucial to ensure effective pest control. The amount of chemical needed per tankful depends on the recommended rate and the size of area that can be treated per tankful of spray.

You'll find two recommended application rates on the label: volume of spray mixture applied per unit area and the amount of actual chemical applied per unit area. The first recommendation is attained through proper calibration and operation of the sprayer.

Related reading: Organic Pesticide Spray

The second label recommendation requires not only proper calibration and operation, but also the right concentration of the actual product applied. Calculations and concepts are the same whether using a manual backpack sprayer or a large boom sprayer.

The only difference is in units, with small sprayers using ounces, quarts, or gallons per 1,000 square feet, and boom sprayers using gallons per acre (gpa). Detailed information on how to calculate the proper amount of chemical to add to the spray tank is provided in the OSU Extension publication FABE-530.

To ensure safe mixing and loading practices, locate the pesticide mixing and loading area in a well-ventilated, well-lighted place away from people, animals, food, and other items that might be contaminated.

Protect water sources by ensuring that no tank mixture can back-siphon into a water source. This can be done by leaving a distinct air gap when filling a tank using a water pipe or hose, or by using a check valve, anti-siphoning device, or backflow preventer.

Mix pesticides in areas where any spills, leaks, and overflows cannot flow toward a drain or into water sources. If using a permanent mixing and loading site, use a containment pad.

Wear the appropriate Personal Protective Equipment (PPE) after the containers have been opened. This is crucial to prevent accidental exposure and poisoning.

To prevent spills and leaks, use a sharp knife or scissors to open paper or cardboard containers. Leave the container open until you have finished mixing pesticides for the day.

Here are some key precautions to keep in mind:

When handling pesticides, it's essential to wear the right gear to protect yourself from potential harm.

Personal Protective Equipment (PPE) is a must when applying pesticides, and the law requires applicators to wear the PPE specified on the pesticide label.

Consider wearing additional protection for certain types of pesticide application tasks, even if the law doesn't require it.

For instance, when handling pesticide containers, you should wear a bib-top apron made of butyl, nitrile, or foil-laminate material to protect against splashes and direct contact with contaminated equipment.

A face shield is also crucial to prevent splashes and dusts from reaching your face, nose, and mouth while pouring liquid pesticides or adding dry pesticides to a liquid.

Here are some essential PPE items to consider:

In high-exposure applications, such as mist blower or air-blast sprayers, aerosol and fog generators, high-pressure sprayers and power dusters, or equipment that directs applications overhead, you should wear a full-face respirator or half-face respirator with sealed goggles, along with protective coveralls with a hood, footwear with sealed cuffs, and gloves.

Consider reading: Lawn Care Applications

Before applying a pesticide, it's essential to clear the area of people and pets. Remove toys and pet dishes from the application area and cover garden furniture, swimming pools, and birdbaths.

To ensure proper application, follow these basic procedures. Check the pesticide label to find out when it is safe to return to the application area. If the label does not include specific restricted-entry statements, keep people and non-target animals out of the treated area until the spray has dried or the dust has settled.

Be aware of wind speed, direction, and nearby sensitive areas. This is crucial to prevent the pesticide from drifting onto unintended areas.

Flat-fan nozzles used for broadcast spraying require 30–50% overlap of adjacent spray patterns to maintain uniform deposition of spray material on the target area.

To ensure uniform coverage, make sure the nozzles are not fully or partially clogged. Clogging changes the flow rate and spray pattern, which can lead to non-uniform coverage.

Here are some common causes of non-uniform spray patterns:

The application rate affects spray coverage. For example, a fine droplet size at an application rate of 12 gpa will result in a different coverage than at an application rate of 4 gpa.

To achieve the desired coverage, it's essential to choose the right nozzle type. The table below shows the effects of nozzle type on coverage:

In Pennsylvania, private pesticide applicator licenses are required to purchase and/or apply restricted use pesticides.

To obtain a private pesticide applicator license, you'll need to pass an exam, which has no charge, and then pay an initial $10 fee for the license.

If you plan to use a restricted-use fumigant, you'll need to pass additional testing.

A private pesticide applicator license is valid for three years, after which you'll need to obtain six core and six category credits for recertification.

You can earn these credits by attending a Crops Conference or participating in a Pesticide Education Program.

Worth a look: Pesticide License Application

To become a certified pesticide applicator, you'll need to take a short course, which provides all the information you need to pass the certified pesticide applicator's course and handle pesticides safely and properly.

The Pennsylvania Department of Agriculture offers a Private Pesticide Applicator short course and a commercial and public pesticide applicator's short course to build a strong foundation of knowledge.

Certification is valid for three years, after which you must attend update training programs in core and appropriate category-specific topics. You'll need six core credits and up to ten category credits for each category in which you are certified.

Here are some online courses that can help you earn recertification credits:

If you're looking to become a certified pesticide applicator, there are several training and courses available to help you prepare. Certification and study materials can be found on the Pennsylvania Department of Agriculture's website, which includes a Private Pesticide Applicator short course that covers everything you need to know to pass the certified pesticide applicator's course.

To become certified, you'll need to take a test, which can be arranged through the Pennsylvania Department of Agriculture regional offices. You can find test dates and locations through PaPlants.

Certification is valid for three years, after which you must attend update training programs in core and appropriate category-specific topics. You can earn recertification credits by attending approved meetings or participating in other appropriate training, such as online courses offered by Penn State Extension.

Some examples of online courses that can help you earn recertification credits include:

To stay certified, it's essential to regularly attend updated training programs and earn recertification credits in core and appropriate category-specific topics.

When planning an IPM program, it's essential to consider the potential impact on natural enemies and pollinators. This can be done by reviewing the Protecting Natural Enemies and Pollinators section.

To minimize environmental problems, it's crucial to assess the potential for water quality problems using the UC IPM WaterTox database.

You can also check if any endangered species are near your site using the Department of Pesticide Regulation's PRESCRIBE program.

Here are some key considerations to keep in mind:

Reviewing the Pest Management Guidelines and completing the provided checklist can help you make informed decisions and ensure a successful IPM program.