Impact of pesticides on biodiversity

May 26, 2022

Using insects as weed control agent

May 28, 2022

Published by siadatpour at May 27, 2022

Global catastrophe

Countering the migration of desert locust pests

Locusts are a group of organisms that often work in groups and usually attack areas that have gone through a period of drought and then started raining, and it is interesting to know the reason for this action is the increase in serotonin in the brain. Locusts and stimulate their reproduction.

Usually locusts start migrating en masse to get food and the first place they choose to live and work is farms. If not controlled, it causes a lot of damage. Of course, the reason for concern about the infestation of locust pests is their collective activity, which also increases the amount of damage.

Locust control methods:

As mentioned, the infestation of locust pests causes severe damage to gardeners and farms, and the main reason for concern in this regard is the type of locust infestation; It is a group and this causes the damage to increase, which is why it is recommended to control this pest very soon. There are many ways to control locust pests.

Of course, locust pest control methods; It depends to some extent on the type of locust infestation. If large farms are infested with locust pests, spraying should be done and the only way to control this pest is to spray the fields, but if you have small farms, you can try other methods.

locust pest control methods:

1: Using natural methods:

This is a method of keeping creatures that feed on locusts, and this in itself can be effective in controlling the locust pest. Usually, chickens and roosters are very interested in eating small jumping animals, and sparrows also feed on locusts, and this The method is called the natural method of locust pest control.

2: Use of pesticides:

Of course, in the past, when chemical pesticides were hard to come by, people used the extracts of some aromatic plants or peppers to control the locust pest. Chemical poisons for locust pests should be used. Note that the amount of chemical pesticides used and the type of use is very important.

If spraying is not done in a principled way, it will not have a positive effect and the locust pest; It will not be completely destroyed and will reproduce, it has the same effect as the use of chemical pesticides and the number of repetitions, if you use special pesticides to eliminate locust pests; Use easily. Once sprayed, the locust pest will be completely eliminated and the resulting damage will be controlled.

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3: The best time to fight the locust infestation:

Of course, it goes without saying that the fight against any type of pest will be effective when it is done at a specific time. Sooner or later, acting will reduce its positive effect. Group and group activities will be more difficult.

Utilization of baseline factor modeling to

simulate spatio-temporal displacement and migration of locust pests

Desert locust pest is one of the most dangerous pests of agricultural products. Which affects many countries. Effective management and control of this pest requires tools to predict, recognize and model its behavior. The main purpose of pest control is to provide a tool to simulate the movement of locusts and the amount of damage caused by this pest that can provide experts, planners and policy makers related to the control and management of Be a pest

In choosing the method of controlling this pest, if the area is small, we must use simple methods. If the locusts are mature and winged, rapid methods must be used to control them. In locusts such as desert locusts and Moroccans, which usually enter the country from Arab countries. It is necessary to fight immediately before migrating. The best time to fight locusts is the nymph stage.
Desert locusts

Desert locusts are the most dangerous pest of agricultural products among the 1000 economic pests in the world. Evidence from the past shows that the pest has been accompanied by many economic, social, and environmental influences on target countries.

Histocerca gerigaria) The body is reddish-green, reddish-gray, reddish-gray, and reddish-brown in individuals with a solitary life. Males were smaller than females. The body length is 55-45 mm in males and 72-50 mm in females. This pest has three generations per year. It usually lays its eggs in moist soil.

The reason for the great importance of locust pests in the world

1- High flying power and wide geographical spread: This pest is able to fly about 4000 km during its life cycle and 150-200 km per day. And settle in an area accidentally or suddenly.

2. The locust plague has flown in the migratory phase with populations of hundreds of millions to billions. And in some cases, large crowds cause the sun to eclipse. The nymph of this insect lacked the power to fly in the early stages of life. And during the day, they are able to walk 3 km and destroy any greenery and plants in their path.

3- Locust (sea) locust has a lot of reproductive power. The female should mate and spawn 3-4 times in favorable conditions (suitable climate and adequate food) and put about 80 eggs in each egg bag at each stage of laying. In total, about 300 new insects are created from a pair of male and female locusts.

4- This locust pest has a wide geographical distribution power. And in offensive conditions it was able to attack about 30 million square kilometers of land in 66 countries.

5- This locust has a high nutritional power. And each insect feeds during the day equal to its weight and can also eat about half a kilo of food during its life cycle.

6- Locust pest is a polyphase pest. That is, it attacks and feeds on all plant species. However, under normal conditions, celery, vegetable crops, summer crops, and then fruit trees, and finally forest and pasture trees are the hosts of this insect.

7- Its integrated management is more difficult than other pests.

8- They have the ability to change behavior, color and physiology.

Locust mechanical control methods

Such as digging a canal in the migration route of locust nymphs or removing the locust’s egg capsule from the soil. These two methods can only be effective when pollution is low.

Chemical control

Bait Spraying: Bait spraying involves mixing the pesticide with a substance such as corn meal or wheat bran and spreading it among the nymphs, although this method and mechanical method requires a lot of labor. In this method, care must be taken so that the animals do not feed on these prey.

Spraying method: In this method, materials such as gypsum powder or talc are mixed with pesticides and poured on the locusts without the need for spraying. Of course, this method and bait spraying is not very useful.

Spraying method:

which is the best method of fighting locusts throughout the country. This pesticide method is small in size and requires training and protective clothing, but it is a quick method.

siadatpour

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Countering the migration of desert locust pests

Impact of pesticides on biodiversity

Using insects as weed control agent

Global catastrophe

Countering the migration of desert locust pests

Locust control methods:

locust pest control methods:

1: Using natural methods:

2: Use of pesticides:

3: The best time to fight the locust infestation:

Utilization of baseline factor modeling to

simulate spatio-temporal displacement and migration of locust pests

The reason for the great importance of locust pests in the world

siadatpour

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