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| Content Provider | Springer Nature Link |
|---|---|
| Author | Płażek, A. Niemczyk, E. |
| Copyright Year | 2000 |
| Abstract | Calli of spring barley (Hordeum vulgare L.) and meadow fescue (Festuca pratensis Huds.) were treated with metabolites of Bipolaris sorokiniana and then the level of soluble carbohydrates was estimated. Fructose and glucose occurred in the greatest amount in non-treated calli (control). Control tissue of both species responded to a change in culture conditions with fluctuation in the sugar level. Calli treated with fungal phytotoxins demonstrated rapid decrease in sugar content 1, 3 and 24 hrs after elicitation. Fescue calli, as less susceptible, showed moderate increase in carbohydrate level, yet it was still significantly lower than that in control. In barley very small amount of carbohydrates was observed as soon as 24 hrs after elicitation. In the elicited tissue of both species rapid increase in soluble carbohydrate level was noted in the 10$^{th}$ hour. It is suggested that a defence response of barley and fescue takes place in two phases. The 1$^{st}$ phase occurred between the 1$^{st}$ and the 10$^{th}$ hour after elicitation with phytotoxins and it seems to be an adaptation time to this stress factor. This stage is typical for both studied species. The 2$^{nd}$ phase was observed after 10 hrs of pathogenesis. Its course may reflect a various sensitivity degree of both species to B. sorokiniana metabolites. |
| Starting Page | 471 |
| Ending Page | 476 |
| Page Count | 6 |
| File Format | |
| ISSN | 01375881 |
| Journal | Acta Physiologiae Plantarum |
| Volume Number | 22 |
| Issue Number | 4 |
| e-ISSN | 18611664 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2000-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | callus fungus elicitor meadow fescue pathogenesis spring barley soluble carbohydrates Plant Physiology Plant Genetics & Genomics Plant Biochemistry Plant Pathology Plant Anatomy/Development Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science Agronomy and Crop Science |
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