Effect of Silk Fibroin on Lettuce Seed Germination and Physiological Characteristics of Seedlings under High Temperature Stress
In order to study the influence of silk fibroin on heat tolerance of the Lettuce seeds and seedlings .silk fibroin at 0 (CK)、20、50、100 and 200mg/ L was used to soak the Lettuce(Rapid) seeds and sprayed on its seedlings respectively ,and then they were stressed under high temperature at 35 V in daytime while 30 V at night. Results showed that different components of the silk fibroin could effectively increase the activity of superoxide Dismutase (SOD) 、 Peroxidase (POD) and Catalase(CAT), reduce the content of MDA. This study indicated that silk fibroin at proper concentrations was capable of improving the ability to eliminate reactive oxygen species, reducing cell peroxidation and membrane permeability protecting the functions of biomembrane, raising the heat tolerance of Lettuce seed germination and seedlings.
Silk fibroin High temperature stress Lettuce
ZHANG Jifang Jia jiao LI Xinliang GU Jiantian
Beijing University of Agriculture
国际会议
The 2nd Conference on Key Technology of Horticulture(第二届园艺关键技术学术会议 CKTH 2010)
北京
英文
212-214
2010-07-17（万方平台首次上网日期，不代表论文的发表时间）