Allelopathic Effects of Plant-Derived Aerosol Smoke on Seed Germination ofArabidopsis thaliana(L.) Heynh.

Research Letters in Ecology

Lara V.Jefferson¹  MarcelloPennacchio¹  KayriHavens¹ 

DOI  :  10.1155/2007/65083

学科分类：环境科学（综合）

来源: Hindawi Publishing Corporation

【 摘 要 】

The role that plant-derived smoke plays in promoting seed germination is well documented, but little is known about its ability to inhibit seed germination. To better understand this phenomenon, we tested the effects of eight aerosol smoke treatments on the Columbia-3 ecotype of nondormantArabidopsis thaliana(L.) Heynh. seeds. Our results revealed that aerosol smoke significantly inhibits germination when seeds were exposed to prolonged periods of aerosol smoke. Short durations of smoke treatments significantly promoted the rate of germination ofA. thalianaseed. We briefly discuss this dual regulation of smoke and its possible impact on conservation and restoration practices. We also propose that plant-derived smoke may be another vehicle by which allelochemicals can be introduced into the environment.

【 授权许可】

Unknown