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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hasegawa, Ai Oyanagi, Tomoya Minagawa, Reiko Fujii, Yoshiharu Sasamoto, Hamako |
| Copyright Year | 2014 |
| Abstract | A bioassay method for allelopathy, the ‘protoplast co-culture method’ was developed to study the relationship between salt tolerance and allelopathy of three mangrove species, Sonneratia alba, S. caseolaris, and S. ovata. Plants of S. alba grow in the seaward-side high salinity region and plants of the latter two species grow in upstream-side regions of a mangrove forest, respectively. Effects of five sea salts (NaCl, KCl, MgCl2, MgSO4 and CaCl2) on the growth of the suspension cells of the latter two species were first investigated by a small-scale method using 24-well culture plates. S. ovata cells showed higher tolerance than S. caseolaris cells to NaCl and other salts, but were not as halophilic as S. alba cells. Protoplasts isolated from suspension cells were co-cultured with lettuce protoplasts in Murashige and Skoog’s (MS) basal medium containing 1 μM 2,4-dichlorophenoxyacetic acid, 0.1 μM benzyladenine, 3 % sucrose and 0.6–0.8 M osmoticum. S. caseolaris protoplasts had a higher inhibitory effect on lettuce protoplast cell divisions than S. alba protoplasts at any lettuce protoplast density, and the effect of S. ovata was intermediate between the two. These results were similar to those obtained from a different in vitro bioassay method for allelopathy, the ‘sandwich method’ with dried leaves. The inverse relationship between allelopathic activity and salt tolerance in suspension cells of Sonneratia mangroves is discussed. |
| Starting Page | 755 |
| Ending Page | 761 |
| Page Count | 7 |
| File Format | |
| ISSN | 09189440 |
| Journal | Journal of Plant Research |
| Volume Number | 127 |
| Issue Number | 6 |
| e-ISSN | 16180860 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2014-07-26 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Allelopathy Bioassay Mangrove forest Protoplast culture Salt tolerance Suspension culture Plant Sciences Plant Ecology Plant Physiology Plant Biochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science |
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