东部白松采种与种子调制技术研究

Study on Seed Collection and Processing Technology of Pinus strobus

东部白松采种与种子调制试验的研究结果表明,同龄的东部白松采种树间的球果产量存在显著差异,球果大小、鲜重与树高、胸径无关,球果数量与树高、胸径存在正相关。因此,选取东部白松采种林时应选择立地条件好的阳坡地段,东部白松长势良好,林龄为20~35年生,并呈片状分布的林分。

This article through the north American precious tree- Pinus strobus seedling and seedmodulation test. The result showed that there was a significant difference in the yield of cones among thePinus strobus of the same age, there was great significance for the establishment of the optimal tree index forthe selection of the Pinus strobes; The size and fresh weight of cones have nothing to do with tree height andchest diameter, and the number of cones has a positive correlation with tree height and chest diameter,therefore, selection seedling forest of Pinus strobes should choosea sunny slope with good standingconditions of which grew well , the age was 20-35a, also distributed in the form of slices. The high yield andgood quality of the seeds of this branch havea guiding significance for the selection of the Pinus strobes.