Broad-spectrum pesticides are pesticides designed to kill or control a wide variety of organisms. When using broad-spectrum pesticides, the chemical can harm both pests and non-pests.
Is DDT a broad-spectrum pesticide in this regard?
Broad-spectrum pesticides really become a problem when the pesticide can leave the area where it was originally administered. This can happen through runoff or biomagnification. An example of this would be the use of DDT and its effects on birds.
And what are pesticides, give examples?
Examples of pesticides are fungicides, herbicides and insecticides. Examples of specific chemical synthetic pesticides are glyphosate, acephate, deet, propoxur, metaldehyde, boric acid, diazinon, dursban, DDT, malathion, etc.
What else is a Broad Spectrum Pesticide Quizlet?
Broad spectrum pesticides. a pesticide that kills a wide variety of organisms, including beneficial organisms, in addition to target pests. First generation pesticides. inorganic compounds with toxic levels of lead, mercury and arsenic that pose a hazard to humans. and plants.
What is a selective pesticide?
Selective pesticides are a type of pesticide that targets a specific type of pest. These pesticides have minimal effect on organisms not affected by the pesticide. Selective pesticides can be applied directly to plants or to the soil surface.
Where do you find pesticides?
Pesticides are found in the air we breathe, in the food we eat , and the water we drink. They are found in our soil and even in our mother’s milk.
How long do pesticides stay in plants?
In most situations we would encounter in a farming environment, a Pesticide Half Lifespan can range from a few hours to 4-5 years. Most pesticides are broken down by microbes in the soil, so environmental conditions that reduce microbial activity (cold, dry conditions) prolong the duration of the pesticides in the soil.
What is the difference between a herbicide and a pesticide?
Pesticides are chemicals that can be used to kill fungi, bacteria, insects, plant diseases, snails or weeds, among other things. Herbicides are used to kill unwanted plants or “weeds”. Some herbicides kill all plants they touch, while others target a specific species.
What is the best chemical for pest control?
Follow these links to learn more the most common active ingredient chemicals used in pest control.
- Fipronil.
- Permethrin.
- Bifenthrin.
- Hydramethylnon.
- Pyrethrum.
- Boric acid.
- Deltamethrin.
- IGR (Insect Growth Regulator)
What is the difference between broad spectrum and selective pesticides ?
Broad-spectrum pesticides kill insects indiscriminately, regardless of species. Some broad-spectrum pesticides, such as achlorpyrifos, can be effective in selectively controlling pests when used in moderation.
Is DDT a chemical?
Dichlorodiphenyltrichloroethane, commonly known as DDT, is a colorless, tasteless, and almost odorless crystalline chemical compound, an organochlorine. Originally developed as an insecticide, it became notorious for its environmental impact.
What are the alternatives to pesticides?
Here are 3 agricultural alternatives that can keep crops pest-free without traditional pesticides :
- Biocontrol (aka: biological control) It’s not as scary as it sounds – think organic in terms of biology and control as in maintenance.
- Polyculture (companion planting)
- Natural barriers and predators.
What is a first generation pesticide?
First generation pesticides are the pesticides people originally used They started looking for ways to protect their crops. These pesticides were mostly natural substances, such as chemicals borrowed from plants that have been fighting insects for ages.
What would a narrow-spectrum pesticide kill?
What is a pesticide ? The broad spectrum kills a variety of organisms, not just the target organism, while the narrow spectrum has a narrower focus (species specific).
What is a persistent pesticide?
Pesticides include insect venoms and weed killers. These chemicals are designed to kill insect or weed pests that threaten agricultural or forest crops. “Persistent” pesticides are those that do not break down in the environment but remain toxic to fish, animals, and humans for many years.
What is the best fungicide?
Best Ready Ready-to-Use Fungicides
- Bonide 811 Copper 4E Fungicide 16 oz (473 mL)
- BONIDE PRODUCTS 775 Ready-to-Use Copper Fungicide, 32 oz.
- Spectracide 51000 Immunox General Purpose -Fungicide, 16 oz. Concentrate.
- Bayer Advanced 708480 Serenade Garden Disease Control Concentrate, 32 oz.
- Daconil® Fungicide Concentrate 16 oz.
What do pesticides do to the human body?
Pesticides and human health:. Pesticides can have short-term health effects referred to as acute effects, as well as chronic side effects, which can occur months or years after exposure. Examples of acute health effects include burning eyes, rashes, blisters, blindness, nausea, dizziness, diarrhea and death.
What type of pesticides do farmers use?
Many farmers choose to use them Chemicals to prevent weeds and pests from destroying your crops and to add more nutrients to the soil. There are three different types of pesticides; herbicides, insecticides and fungicides. All three of these pesticides are used to kill different types of pests found on a farm.
What are the 7 categories of pesticides?
7 types of pesticides and how they work Enter animals and plants
- Insecticides – insects.
- Herbicides – plants.
- Rodenticides – rodents (rats and mice)
- Bactericides – bacteria.
- Fungicides – fungi.
- Larvicides – larvae.
Which pesticides are the most persistent?
Mirex is one of the most stable and long-lasting pesticides with a half-life of up to 10 years. Mirex is toxic to several plant, fish and crustacean species and has suspected carcinogenic capacity in humans. Humans are primarily exposed through animal meat, fish, and game.
What is the most harmful pesticide?
This structure makes dichloropropene one of the simplest of a class of chemicals called organochlorins that contain some of the most toxic pesticides available. Banned as unsafe by the European Union, 1,3-dichloropropene is still one of the most widely used pesticides in the United States, pound for pound.
What are the effects of broad-spectrum pesticides on beneficial species?
Although broad spectrum pesticides can be effective because they can eliminate all sorts of pests, they can also have undesirable effects. When using broad-spectrum pesticides, the chemical can harm both pests and non-pests.