常温干燥贮藏年限对烟草种子活力的影响

Effect of Storage Time in Normal Temperature and Dry Condition on Tobacc o Seed Vitality

对贮藏于干燥器中的 1 982～ 2 0 0 1年的 72份烟草品种的种子进行了发芽实验。结果表明 :同一品种的种子活力随贮藏时间的延长而降低 ,同一年收获的不同品种的种子经贮藏年限相同 ,其活力仍有差异。收获时质量较高的种子可以在干燥器中安全贮藏 1 5a。

In the paper,the germination experiment of 72 kinds of tobacco variety was seeded with the different storage time in des iccators from 19 82 to 2001.The results showed that the lower vitality of same variety was,the lo nger the seeds was stored.And after the same storage ti me,there were diffeneces in the seed vitalities of tobacco which were gained in the same year.And the better quality tobacco seeds may be safely stored in desi ccators for 15 years.