what are the pests that attack crops

Most of the pests that affect agricultural crops are insects, fungi and bacteria. The greatest risk is the easy contagion and spread of diseases within the crop, due to these pathogenic vectors. Agricultural fields are important production areas that allow the production of large quantities of food.

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What are some examples of crop pests?

Insects are the most common and destructive, but mammals, like mice and raccoons, are also be considered crop pests in some areas. Birds are another example of a crop pest, since they can damage plants by eating seeds and fruits as well as by hunting for insects hidden in the plants. Raccoon and other small mammals can be a pest to some crops.

What are the four types of crops pest?

What are the categories of pest?

• Regular pests: Occurring more frequently on a crop having close association with the crop.
• Occasional pests: Occurring infrequently with no close association with a particular crop (eg) Snake gourd semilooper.
• Seasonal pests: Occurring during a particular part of the year.

How can we protect crops from pests?

• These row covers also help deter larger pests, like birds and raccoons.
• Floating row covers are made of thin fabric with a very tight weave.
• If you can’t find floating row covers, use insect netting or cloches instead.

How would you protect crops from pests and diseases?

You can protect your crops with an effective miticide. Vegetable Crops and Integrated Pest Management. Integrated pest management (IPM) is a way you can manage insects, diseases, weeds, animals, and other pests that cause damage. It involves a combination of biological, cultural, mechanical, and chemical practices.

What are the main pests of maize?

What are the pests in lucerne?

What are the pests in winter cereal?

What is the only pest that is damaging to grain?

Why are sunflowers so vulnerable to insect damage?

Can insects attack mungbeans?

Can soybeans be attacked?

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What are the most common crop pests?

Major crop insect pestsCabbage seedpod weevil.Cutworm.Diamondback moth.Grasshoppers.Pea leaf weevil.Wheat midge.Wheat stem sawfly.Wireworm.More items...

What are the four major pests?

Pests can be broken into four main categoriesVertebrate Pests. Have a backbone. Examples: Rodents, birds, reptiles, and other mammals.Invertebrate Pests. No backbone. Examples: Insets, spiders, ticks, slugs.Weeds. Any plant growing out of place.Diseases. Fungi, bacteria, viruses, and other microorganisms.

What are the top 3 pests that cause damage?

3 Pests That Can Cause Structural Damage To Your HomePowderpost Beetles. Powderpost beetles are so named because of the fine, powdery waste their larvae leave behind after feeding on the wood they inhabit. ... Termites. Termites cause $5 billion in structural damage in the United States every year. ... Carpenter Ants.

What are organisms that attack and destroy crops?

Various organisms such as rats, insects, bacteria, virus, fungi etc. which damage the crops and reduce their yield are called Pests.

What are two common plant pests?

44 Common Garden PestsRed Spider Mites. The tiny mites live under leaves and suck sap, causing yellow mottling. ... Gall Mites. These microscopic mites suck sap and cause abnormal growths. ... Bagworm. ... Japanese Beetles. ... Leaf Miner. ... Codling Moth. ... Winter Moth. ... Aphids.More items...

What are pests give examples?

Mosquitoes, fleas, bugs, black ants, beetles are some examples of pests. - An animal also can be a pest when it causes damage to a wild ecosystem or carries germs. The term pest is employed to refer specifically to harmful animals but it also relates to all or any other harmful organisms, including fungi and viruses.

What are the five 5 common insects that causes damages to plants?

Top 10 insect pests to plantsCotton bollworm (Helicoverpa armigera) ... Tobacco whitefly (Bemisia tabaci) ... Two-spotted spider mite (Tetranychus urticae) ... Diamondback moth (Plutella xylostella) ... Taro caterpillar (Spodoptera litura) ... Red flour beetle (Tribolium castaneum) ... Green peach aphid (Myzus persicae)More items...•

What are 4 pests that impact the production of food?

Major pests include helicoverpa, spider mites, mirids, aphids and whiteflies. Minor pests include thrips, green vegetable bug, pale cotton stainer bug, cotton harlequin bug, soil insects (true and false wireworm), redshouldered leaf beetle, leafhoppers/jassids, and mealybug.

What is the most damaging agricultural pest?

The Gypsy Moth is one of the most destructive pests of hardwood forests and shade trees in the United States, and is known to defoliate millions of acres of trees in a single season. The larva feed on over 500 species of plants and has few natural predators.

What are animals called that destroy crops?

Pests are little insects or animals that disturb plant crops. Pests are dangerous to plants because they eat up and destroy plant parts and sometimes cause diseases. Examples of pests associated with crops are caterpillars, weevils, snails, aphids, locust etc.

Which organism is a crop pest?

The animal groups of the greatest importance as agricultural pests are (in order of economic importance) insects, mites, nematodes and gastropod molluscs. Insects are responsible for two major forms of damage to crops.

What are animals that damage crops called?

Animals that attack and damage crops are also known as pests.

What are the 5 major categories of pest?

Five Groups of Pests Arthropods - Insects, Mites, Ticks and Spiders 2. Vertebrates - Animals with backbones 3. Weeds 4. Pathogens - Disease-causing organisms 5.

What are 4 pests that impact the production of food?

Major pests include helicoverpa, spider mites, mirids, aphids and whiteflies. Minor pests include thrips, green vegetable bug, pale cotton stainer bug, cotton harlequin bug, soil insects (true and false wireworm), redshouldered leaf beetle, leafhoppers/jassids, and mealybug.

What are major or key pest?

Key / major / main pests. These are insect pests that are found every where particular crops are grown. They are usually the target of insect pest control. They cause significant losses on the crops that they attack, e.g. Clavigralla tomentosicollis on cowpea.

What are five types of pests?

Here are some of the most common ones that you might come across:Ants. Ants are one of the most common household pests. ... Termites. Termites are the most destructive pests in the United States. ... Flies. Flies can get into your home through windows, doors, or other openings. ... Rats. ... Mosquitos. ... Cockroaches. ... Bed Bugs. ... Mice.

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Crop Diseases: How To Identify, Control, And Prevent

Crop Diseases Caused By Nematodes. Nematodes are parasitizing plants roundworms, which usually cannot be seen without special equipment. They live in the soil, and therefore mainly affect roots, tubers, and bulbs.

7. MAJOR PESTS AND DISEASES - Food and Agriculture Organization

7. MAJOR PESTS AND DISEASES. Overview. Many insect and mites attack trees in Asia. Although some affect production in nearly all locations, many others are of only local significance.

What is squash bug?

Squash bugs are a species of coreid bug, more commonly found in North America. They are smaller than the Giant Coreid bug, growing to around 0.6. inches long. Their coloring is typically dull tan with dark pits.

What are brown marmorated stink bugs?

Brown marmorated stink bugs are a serious pest destroying various vegetables and fruits, including apples, figs, beans, tomatoes, soybeans, and peaches. They can also be a pest in homes as they enter houses for shelter during the fall.

What is the worst insect that eats corn?

The Corn rootworm is one of the worst insects destroying corn throughout North America. Sandy soils can combat the larvae of this insect since they prefer smooth and moist soils that won’t cut them as they search for corn roots to feed on. These insects grow to around 0.3 inches in length and adults are typically greenish to yellowish.

How to control Japanese beetles?

You can control and prevent Japanese beetle infestations by handpicking them, using drop cloths, applying insecticides, or protecting plants with row covers.

What causes a plant to droop?

Pink bollworms are known to bore into the shoots of plants, causing them to droop or dry. They can cause 20 to 90 percent of crop yield loss, such as cotton, okra, hibiscus, and kenaf. You can find these insects mostly in the southwestern states of the U.S., with its first detection in Texas in 1917. As their name suggests, they are light pink with darker striped markings.

What is the root borer in bananas?

The Banana Stem Borer weevil is a major pest for banana and plantain crops. The adults tend to feed on tree trunks or leaves, while their young feed on the roots. Infestation usually starts when plants are 5 months old and results in wilting and death of plants.

How big is a Mormon cricket?

The Mormon cricket is large and grows to almost 3 inches long. They come in various colors ranging from green and brown to red, purple, or black. They can also have colored markings and stripes on their bodies.

What insects are sucking out juice from plants?

5. Thrips – Yet another pest that damages plants by sucking out juices, thrips are tiny, flying insects with fringed wings. They tend to feed in large groups and are easy to spot because they fly away en masse when disturbed. There are at least 6,000 types of thrips , and some are actually beneficial.

What are the pests that attack plants?

No matter how well you groom the garden, pests are inevitable. Here are the top 5 pests that are known to attack plants in the garden. 1. Aphids – Aphids, tiny, pear-shaped bugs with long, slender mouthparts, aren’t picky.

Why do my plants have distorted leaves?

A healthy plant can withstand a few aphids, but a severe infestation can cause distorted foliage and dropped leaves as the pests siphon out the sweet juices. Aphids also excrete a sweet substance known as honeydew, which supports the growth of black sooty mold.

Why do mites appear after pesticides?

Mites often appear after pesticides are used to kill other insects, as the toxic chemicals destroy the mites’ natural enemies. Mites are often more problematic in dry, dusty conditions or when plants are water stressed. 5.

How to spot spider mites on plants?

Spider mites – Difficult to see with the naked eye, speck-sized spider mites are usually easy to spot by the fine webbing they leave on plants. If you suspect spider mites, use a magnifying glass to look for mites and eggs on the underside of leaves.

Do whiteflies eat honeydew?

After hatching, the microscopic, crawling nymphs begin feeding in a few hours, increasing in size until they emerge as winged adults. The adults do little harm, but the nymphs suck plant juices at all stages of development. Like aphids, whiteflies leave sweet honeydew, which attracts black sooty mold.

Do pesticides kill sap sucking insects?

Chemicals should always be a last resort when plants are affected by sap-sucking insects, as pesticides are non-selective, killing beneficial insects that feed on harmful pests. As a result, unwanted pests come back stronger and more difficult to control.

How do pests affect crops?

EFFECTS OF PESTS ON CROPS. 1. Quality and quantity reduction. Pest reduces the produces quality and quantity as they eat up the produces on the farm even at storage. They reduce the nutritional quality of the produce as they release their saliva on the produce.

What are the pests that are in the field?

Pests include insects, fungi, viruses, nematodes, weeds, rodents, birds etc pest is any organism that spreads disease, causes destruction or is otherwise a nuisance. Pests damage crops at different stages of growth on the field, at harvest, during transportation and in storage.

What is a pest?

Pest refers to any animal or plant causing harm or damage to people or their animals, crops, or possessions, even if it only causes annoyance. Pests belong to a broad spectrum of organisms including insects, mites, ticks (and other arthropods), mice, rats, and other rodents, slugs, snails, nematodes, cestodes (and other parasites), weeds, fungi, ...

Why do beans beetles have low market value?

Infested crops and other plants eaten by pest usually have low market value which reduces the farmers’ income. The beans beetle bore in the beans seeds and reduce their quality which make their market value to reduce in the market.

What is the effect of insect pests on plants?

Larvae of insect pest eat up the leaves and stem of plants thereby reducing the plant rate of photosynthesis. The plant growth and yield is reduced. Example is the Army worm that feed of maize, barley and other cereal crop.

What are some examples of plant-eaters?

Example is grasshopper, Grasshoppers are plant-eaters, with a few species at times becoming serious pests of cereals, vegetables and pasture, especially when they swarm in their millions as locusts and destroy crops over wide areas. 2. Disease vectors. Most insect pests are disease carriers.

How does larva kill?

How it Kills: Larva bores into tender shoots in early stages and causes "dead hearts". It also bores into flower buds and developing fruits causing shedding of buds and making the fruits unfit for consumption and marketing.

What causes drooping and drying of the shoot?

Bollworm. How it Kills: Larva causes drooping and drying of the shoot by boring into it. Later buds, flowers and bolls are damaged and a larva may migrate and attack fresh parts. Heavy shedding of early-formed flower buds due to the pest is common in cotton fields. Crops Affected: Cotton, chickpea, pigeonpea, sunflower, tomato.

How long does grubs burrow into bushes?

How it Kills: Grubs burrow into the stem for 8-9 months and cause wilting of branches and occasionally death of bushes.#N#Infested plants show external ridges around the stem. Affected plants also show yellowing and wilting of leaves.#N#Crops Affected: Coffee#N#Yield Loss: 30-35%

What do beetles eat?

How it Kills: Adult beetles feed on leaves or tree trunks and the grubs feed on roots and lead to the wilting and death of plants.#N#Crops Affected: Coconut, jute, cotton, sorghum, pearl millet, maize#N#Yield Loss: 10-48%

How does rootborer kill?

Upper portion of the central leaf whorl is thus cut off and dries up leading to dead hearts in shoots from about a month old to 2-3 months' crop.

What is the mould on the honey dew of aphids?

Black sooty mould develops on the honey dew of the aphids which falls on the lower leaves affecting photosynthetic activity.

What is the term for a pear shaped insect that sucks sap?

Aphids. How it Kills: Also known as plant lice, they are diminutive, soft bodied, pear shaped insects which suck sap, typically during the spring and summer seasons. Severe infestation results in curling of leaves, stunted growth and gradual drying and death of young plants.

What are the main pests of maize?

The main pests of maize are helicoverpa and soil insects. Other pests are infrequent, although maize leafhoppers can transmit wallaby ear diesease.

What are the pests in lucerne?

Lucerne. Potential pests of lucerne stands include helicoverpa (generally only an economic problem in seed-producing stands ), aphids (spotted alfalfa, blue-green and pea), lucerne leafroller, whitefringed weevil, leafhoppers/jassids and cutworm.

What are the pests in winter cereal?

Pests of winter cereals include cutworm, aphids, armyworm, helicoverpa and mites. Last updated: 01 Jan 2018.

What is the only pest that is damaging to grain?

Helicoverpa larvae are the only major pest. They are most damaging from pod set to maturity, reducing both grain yield and quality.

Why are sunflowers so vulnerable to insect damage?

Sunflowers are more susceptible to seedling damage from soil insects than other field crops because damaged seedlings lack the capacity to regrow or tiller.

Can insects attack mungbeans?

Insect pests can attack mungbeans at any stage from seedling to harvest but the crop is most susceptible from budding onwards. Monitor crops once a week during vegetative growth as the first buds are borne below the top of the canopy.

Can soybeans be attacked?

Soybeans can be attacked by pests at any stage from seedlings to close to harvest , but are most attractive from flowering onwards.