the researchers of tehran university jihad have succeeded in localizing a method of using sex molecules of insects in order to fight agricultural pests. the female insect emits from itself and attracts a soft insect, but if we somehow cut this connecting line of the female insect, we should cut it and instead of reaching the description of the female, it is better if we have succeeded in preventing its reproduction , preventing bleeding and formation. take dangerous drugs. with this method, farmers no longer need to use chemical poisons. the issue of food security in the world and storage in iran is very important. one of the things that endangers food security in iran is the use of agricultural poisons and pesticides, which in iran are more common than in other countries . the world of calendars is a lot of use it is possible, and on the other hand, they have a high exchange rate. one of the things that can be substituted for the third one is the messenger molecules or they are. the fao organization predicted that the world's food security will be jeopardized in the 21st century and th