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- Title
Effects of gibberellic acid and magnetically treated water on physiological characteristics of Tilia miqueliana seeds.
- Authors
Yao, Wenfei; Shen, Yongbao
- Abstract
Cold stratification of Tilia miqueliana M. seeds with different pretreatments of gibberellic acid (GA3) and (or) magnetically treated water (MTW) to break the dormancy and obtain higher and more uniform germination has been studied well. However, there is no complete and uniform theory explaining the effects of MTW or the interaction between MTW and GA3 on seed germination and dormancy breaking. During cold stratification, nutritional contents of soluble sugar, soluble protein, and starch and enzyme activities of α-amylase and protease were evaluated and showed significant changes in treated seeds. The MTW-GA3 treatment produced the biggest changes. For seeds treated with MTW-GA3, soluble sugar content reached the maximum value and protein and starch contents suffered the largest decline after 30 days of cold stratification. The maximum values of α-amylase and protease activities were both observed in seeds treated with MTW-GA3, and they were 216.67% and 67.58% higher, respectively, than corresponding control values. These changes in treated seeds could be triggering the fast germination and dormancy breaking.
- Subjects
GIBBERELLIC acid; LINDENS; SEEDS; DORMANCY (Biology); PROTEOLYTIC enzymes
- Publication
Canadian Journal of Forest Research, 2018, Vol 48, Issue 5, p554
- ISSN
0045-5067
- Publication type
Article
- DOI
10.1139/cjfr-2017-0289