insecticides meaning in telugu

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Because insecticides are poisonous compounds, they may adversely affect other organisms besides harmful insects. They are rapidly detoxified and eliminated from animal tissues. Besides the synthetics, some organic compounds occurring naturally in plants are useful insecticides, as are some inorganic compounds; some of these are permitted in organic farming applications.

By preventing crop losses, raising the quality of produce, and lowering the cost of farming, modern insecticides increased crop yields by as much as 50 percent in some regions of the world in the period 1945–65. They include such chemicals as hydrogen cyanide, naphthalene, nicotine, and methyl bromide and are used mainly for killing insect pests of stored products or for fumigating nursery stock. Most insecticides are sprayed or dusted onto plants and other surfaces traversed or fed upon by insects.

The synthetic contact insecticides are now the primary agents of insect control.

Many insecticides are short-lived or are metabolized by the animals that ingest them, but some are persistent, and when applied in large amounts they pervade the environment. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. ROAR meaning in telugu, ROAR pictures, ROAR pronunciation, ROAR translation,ROAR definition are included in the result of ROAR meaning in telugu at kitkatwords.com, a free online English telugu Picture dictionary.

In this approach, a minimal use of insecticide may be combined with the use of pest-resistant crop varieties; the use of crop-raising methods that inhibit pest proliferation; the release of organisms that are predators or parasites of the pest species; and the disruption of the pest’s reproduction by the release of sterilized pests. Simply by typing " andaru manchigunnaarulla? " The nonspecific nature of broad-spectrum chemicals makes them more likely to have such unintended effects on the abundance of both harmful and beneficial insects. The main synthetic groups are the chlorinated hydrocarbons, organic phosphates (organophosphates), and carbamates. Fumigants are toxic compounds that enter the respiratory system of the insect through its spiracles, or breathing openings. Can you spell these 10 commonly misspelled words? The advent of synthetic insecticides in the mid-20th century made the control of insects and other arthropod pests much more effective, and such chemicals remain essential in modern agriculture despite their environmental drawbacks. They are generally much more toxic than the chlorinated hydrocarbons.

See the full definition for insecticide in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for insecticide, Nglish: Translation of insecticide for Spanish Speakers, Britannica English: Translation of insecticide for Arabic Speakers, Britannica.com: Encyclopedia article about insecticide. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. TELUGU TYPING - Online Typing Made Easy!--0: 0: 0: 1. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. The naturally occurring contact insecticides include nicotine, developed from tobacco; pyrethrum, obtained from flowers of Chrysanthemum cinerariaefolium and Tanacetum coccineum; rotenone, from the roots of Derris species and related plants; and oils, from petroleum. The organophosphates usually have little residual action and are important, therefore, where residual tolerances limit the choice of insecticides. Their toxicity is thought to arise from a mechanism somewhat similar to that for the organophosphates. (.

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The organophosphates are now the largest and most versatile class of insecticides. Insecticides are substances used to kill insects. Insecticides can be classified in any of several ways, on the basis of their chemistry, their toxicological action, or their mode of penetration.

Other examples of this series are BHC, lindane, Chlorobenzilate, methoxychlor, and the cyclodienes (which include aldrin, dieldrin, chlordane, heptachlor, and endrin). Aphids, mealybugs, and cyclamen mites are all common problems and can be controlled with any low-toxicity, Fontenot said only a few horses and no goats have died, probably because they are generally kept in stalls which can be sprayed with, Stay alert to bronzing and crinkling of the leaves and apply an, Mark your calendar for next year in early June and July to spray the plants with acephate or another systemic, Your garden center may also offer a systemic, But bed nets need to be replaced every 3 years, as the, Post the Definition of insecticide to Facebook, Share the Definition of insecticide on Twitter, 9 Pairs of Words That Look the Same But Different.

Consequently, the use of such chemicals began to be restricted in the 1960s and banned outright in the 1970s in many countries. Correct Use of WAS WERE in English Grammar, Examples of Imperative Sentences in English Grammar, 20 Common Words in English for Better Conversation, Types of Sentences in English Grammar with Examples, Basics of Direct and Indirect Narration and Speech in English Grammar, Sentence Making Rules for Direct Indirect Speech[First 4 rules], Sentence Making Rules for Direct Indirect Speech[5th, 6th and 7th rules], Active and Passive Voice in English Grammar, Active and Passive Voice for Imperative Sentences, Clauses in English Grammar Exercise in Hindi, Your Contact information added successfully, You have not provided correct answer within time limit.

Two widely used compounds in this class are parathion and malathion; others are Diazinon, naled, methyl parathion, and dichlorvos. Because of the problems associated with the heavy use of some chemical insecticides, current insect-control practice combines their use with biological methods in an approach called integrated control. See more.

A farmer sprays insectides in a rice paddy in Japan. Are We Entering 'Uncharted' or 'Unchartered' Waters. Please tell us where you read or heard it (including the quote, if possible). Learn more. Though these compounds were originally derived mainly from plant extracts, the toxic agents of some of them (e.g., pyrethrins) have been synthesized. In general they penetrate insects readily and are toxic to a wide range of species. 3. Resistance denotes a formerly susceptible insect population that can no longer be controlled by a pesticide at normally recommended rates. The accumulation of some insecticides in the environment can in fact pose a serious threat to both wildlife and humans. You'll have 15 seconds to answer each question. Organophosphates kill insects by inhibiting the enzyme cholinesterase, which is essential in the functioning of the nervous system. Such substances are used primarily to control pests that infest cultivated plants or to eliminate disease-carrying insects in specific areas. They have also been important in improving the health of both humans and domestic animals; malaria, yellow fever, and typhus, among other infectious diseases, have been greatly reduced in many areas of the world through their use. Learn more about the types, modes of penetration, uses, and environmental impacts of insecticides. The contact insecticides can be divided into two main groups: naturally occurring compounds and synthetic organic ones.

The chief stomach poisons are the arsenicals—e.g., Paris green (copper acetoarsenite), lead arsenate, and calcium arsenate; and the fluorine compounds, among them sodium fluoride and cryolite. In the latter scheme, they are classified according to whether they take effect upon ingestion (stomach poisons), inhalation (fumigants), or upon penetration of the body covering (contact poisons). and pressing the spacebar as you type along, it becomes "" 2. A number of these insecticides have been banned for their deleterious effects on the environment. Some of these compounds are quite stable and have a long residual action; they are, therefore, particularly valuable where protection is required for long periods. These highly poisonous chemicals (e.g., Paris green, lead arsenate, concentrated nicotine) were used in large quantities. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Get exclusive access to content from our 1768 First Edition with your subscription. When a few letters make a large difference. Natural insecticides are usually short-lived on plants and cannot provide protection against prolonged invasions.

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Another problem with insecticides is the tendency of some target insect populations to develop resistance as their susceptible members are killed off and those resistant strains that survive multiply, eventually perhaps to form a majority of the population. The chemicals’ absorption into the plant is achieved either by spraying the leaves or by applying solutions impregnated with the chemicals to the soil, so that intake occurs through the roots. To save this word, you'll need to log in. Insecticide, any toxic substance that is used to kill insects. Insecticides meaning in Hindi : Get detailed meaning of Insecticides in Hindi language.This page shows Insecticides meaning in Hindi with Insecticides definition,translation and usage.This page provides translation and definition of Insecticides in Hindi language along with grammar, synonyms and antonyms.Answer of question : what is meaning of Insecticides in Hindi dictionary? Build a city of skyscrapers—one synonym at a time. …World War II, of the insecticide DDT (1,1,1-trichloro-2,2,-bis[, …chemicals are pesticides, which include insecticides, herbicides, fungicides, fumigants, and rodenticides.…, …the first large-scale use of insecticides in agriculture. The state or quality of being precise; exactness. You have not provided correct answer within time limit. They are applied as sprays or dusts onto the leaves and stems of plants eaten by the target insects. Stomach poisons are toxic only if ingested through the mouth and are most useful against those insects that have biting or chewing mouth parts, such as caterpillars, beetles, and grasshoppers. Stomach poisons have gradually been replaced by synthetic insecticides, which are less dangerous to humans and other mammals. The carbamates are a group of insecticides that includes such compounds as carbamyl, methomyl, and carbofuran. You can use the backspace or click on any word to get more choices for a desired or a correct word selection, that you are looking for. You'll have 15 seconds to Identify image with correct word. You'll have 15 seconds to find out correct synonym for given word. Delivered to your inbox!

Insecticide, any toxic substance that is used to kill insects.

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