What are pests how do they affect plants?

They have a direct impact on agricultural food production by chewing the leaves of crop plants, sucking out plant juices, boring within the roots, stems or leaves, and spreading plant pathogens.

What are pests and how do they damage the crop plants?

The species of insects, that damage the crop plants are known as Insect pests. The insect pests have almost three different feeding habits, and with these feeding habits, they attack the crop plants. ⇒These are the insects that suck the cell sap from plants (different parts). For example, Leaf hoppers and bugs.

What are the 3 methods of pest control?

Now, let’s see how these pest control methods are used.

  • Physical methods of pest control. This is one of the natural methods of pest control; it is a non-chemical pest control method. …
  • Chemical methods of pest control. …
  • Cultural methods of pest control. …
  • Biological methods of pest control.

How many types of pests are there?

Ninety eight percent pests are controlled by nature. There are certain predators, parasites, birds, animals, micro-organisms that can be used for control of pests. Certain biological factors used to control the pests are : Tricogama, Crysopa, HNPV, LLNPV, Chilonus, Copidosoma, Bacillus thuringenesis.

How do I keep bugs from eating my plants naturally?

Spread crushed eggshells beneath the targeted plants and creepy-crawlies will move along. Make A Stink: Many aromatic herbs, like yarrow, citronella, mint, fennel, catnip, basil, and lemongrass are natural deterrents for garden pests from aphids to potato beetles.

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What are major pests?

Major pests are the species that need to be controlled. … These are the less serious species of insect that are recorded feeding or ovipositing on a crop plant. Usually they inflict only slight damage on the host, and often their effect is indiscernible.

Which insect destroy the crops?

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.

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