油松等常用林木种子贮藏有效年限的试验

选择辽宁省林业厅草河口林子种子库，结合生产需要，对油松等１０种常用造林、绿化树种的种子，在特定的环境条件下进行了贮藏试验。经多年试验观测，得出各树种种子保持生活力的有效年限；总结出种子含水量、环境温度、密封贮藏与种子贮藏寿命的关系。文中所得数据对种子贮藏时，确定最优技术组合、降低成本、提高效益具有一定参考价值。

Experiments of effective storage limit of years of Pinus tabulaeformis and other common seeds of trees

In the light of needs of production, storage experiments of seeds of Pinus tabulaeformis and other 10 common afforestation and greening tree species were carried out under the condition of specific environment by using Caohekou tree seed warehouse of the forestry department of Liaoning province .The effective limit of years of seed vitality of trees was obtained through examination of many years;the relationship of water content, environmental temperature and sealed storage with seed storage life-span was summarized. All data in this paper had definite reference for ascertaining optimum technical combination, reducing the cost and increasing benefit during seed storage period.