The fruit of Pinus tabulaeformis is usually called pine cone, and some people call it pine cone. Its appearance is oval, its surface is like fish scales, its colors are white and black, and it looks like a pagoda as a whole. Sun-dried pine cones, the fruit exposed inside, are the seeds of pine trees, which have high nutritional value and are deeply loved by people.

Pine cone, also known as pine cone and pine cone. It is the dried and mature fruit of Pinus bungeana or Pinus tabulaeformis of Pinaceae. Green at first, brown at maturity, with multiple scales, pine nuts between scales, and small thorns at the top of fresh pine cone scales. Fruit scales will open when they are dry and shrink when they are wet. The scales of alpine pine are thin and dense, and the pinecone scales of subtropical pine are thick and sparse, and the pine fragrance is not obvious.

The cones of Pinus tabulaeformis can be harvested when they turn yellow and green, and the collected cones can be spread out and dried. A few days later, the scales curled and cracked, and the seeds were turned out with a light knock. After rubbing, the wings are taken out and dried, which can be stored.

Seed planting of Pinus tabulaeformis:

The seeds of Pinus tabulaeformis should be planted in February-May in spring or August-65438+1October in autumn, when the germination rate is the highest.

The seeds of Pinus tabulaeformis should be deeply ploughed in sandy loam with good drainage and fertile soil for 20-25 cm, shallowly ploughed in dangerous late autumn, soaked in ferrous sulfate with concentration of 65,438+0-2% for 65,438+0 hours, washed twice with clear water, then soaked in warm water at 45 degrees for 24 hours, spread on wet sacks or straw bags, and sowed when the seeds crack more than 70%.