this is the invitro collection, as everyone already says, in cones, plants in a cone, we have createduch a collection, which means it has existed for many years, the collection is replenished. currently , we have about 250 plant species in what is called the invitro collection, that is, in an artificial environment. we will be cutting rhododendron, evergreen, von waydzker variety, this is an ornamental beautiful flowering plant, which reproduces very poorly under inviva conditions. this is firstly, and secondly, this is a variety that is also desirable to harvest wisely vegetatively. since the seeds can be split, we sterilize the tweezers, burn them over an alcohol lamp, the culture is already sterile, free of infection, here the nutrient medium is also sterile, a lot of carbohydrates have been added here, so it is a very good environment for pathogens, we take the plants and cut them into small silniks. we replant a fresh nutrient medium; in our laboratory , in this way, aradadendra propagates forever green deciduous trees, popularly called azales, lingonberries, lilacs, orchids, tha