Seed plants are plants aged from one to two years, grown from seeds, and are characterized by the following characteristics.
Grow from local seeds collected from trees with good genetic characteristics. It is also possible to use plants grown from seeds imported from other countries, observing the principles of logging bypass, to have straight nests with completely numb tops of shoots and formed buds, the sizes of different species must comply with accepted standards (the diameter of the trunk at the rootstock is not less than 205-6 mm, the height of the aboveground part is not less than 10-30 cm), must be endowed with a well-developed cluster root system with the number of roots corresponding to the aboveground part, the length of the root system must be at least 20 cm.