Aphids - a threat to our agricultural crops

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Agricultural crops play an important role in human life. They provide us with food, fiber and many important products for our daily use and brighten our standard of living. Agricultural crops, though influenced by many organisms called pests, are responsible for the reduction of food and the market value of agricultural products. Such dangerous damages caused by organisms are orphaned.

Aphids belong to the largest animal farm Arthropo and Class Insecta. The common name for aphids is plant juice and they are small bugs belonging to the hemiptera and the family aphididae. It has been recorded that there are 4,400 species of aphids worldwide, of which 250 species are responsible for the serious threat to our agricultural crops as well as ornamental plants. Their body size varies from 1-10 mm. Ladybird beetles, parasitic thrips, hoverfly larvae, lasings, shrimp spiders, aphid pepper larvae and entomopathic fungi to serve as aphids for some animals. Although asthma is conservative, it is widely distributed in temperate areas. Aphids are easily transported from one place to another by air, for example currant Lake Ephs moved from New Zealand to Tasmania by air.

Aphids tolerate soft bodies that can be green, yellow, black, brown or pink in color. The orphanage antenna has six parts and the parts of their mouths are very well connected for piercing and sucking. They helped the soap of the plants in the manner in which the peaks were made. Styles are modifications of the mandibles and the common structures found in the mouth of the maxilla insect. The legs of the aphids are long, very thin; there are two joint and two sternal arteries. The largest pair of aphid species is the abdominal tubes, named siponcoli or corners, responsible for the detection of tricyclic glycerol. Different types of defense fluids are also learned by different types of aphids. Aphids form a tail-like structure just above their stable aperture, and a pair of them containing an operational tubercle consisting of three tennis tomomatids. When nutrients from the host's plant are reduced and help with proper nutrient deprivation, they say goodbye to aphids, called separations, which fly in different directions to find suitable food sources. Some parts and some species also have mouth parts or eyes.

The majority of aphid species are benign, which means that they only want to suck soap from one host species, but the green eight offseason Prisca wants to feed on different plants of different families of different plants. They feed on the phloem pots of plants, such as pests and sisadas. As the flume vessel has blocked the beam which enters the food canal directly under high pressure. He is also responsible for the transmission of viruses to many plants, especially those related to potatoes, grains, sugar beets and lathe plants. These plant viruses are also responsible for the death of any plant.

A correlation appears with a large number of animal species. Many species of teachers learn from teachers that honey feeds on ovens. Honey Dawn is learned by the tonal part of the teachers tool. Some species of mountain mountains protected orphan eggs in their nests and protected their young by bringing them back to their nests. A great example of a correlation is that Lefland got between butterflies and all fours for butterflies. These butterflies have laid their eggs around aphids and in caterpillars, which feed the eggs on orphans. Here antenfides do not protect in this case, but they carry their nests to caterpillars and thus protect the teachers. After bringing caterpillars to their nests, the tricks feed the caterpillar and prepare bees for caterpillar tricks. When the caterpillar is ready to go through its rotation, it leaves the cocoon at the entrance to the grass and two weeks later the adult butterfly comes out. Some honey bees are also used by teachers to make jungle honey. Many aphids are called species, especially bacteriotites, and are responsible for the endosymbiotic bacterial residues responsible for handling these amino acids, which are unable to obtain the soap of the plant.

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