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| Content Provider | Springer Nature Link |
|---|---|
| Author | Artyusheva, E. G. Edwards, G. E. P'yankov, V. I. |
| Copyright Year | 2003 |
| Abstract | The quantitative anatomy of developing cotyledons of NAD-malic enzyme species Salsola incanescens and NADP-malic enzyme species S. paulsenii (Chenopodiaceae) was studied. S. incanescens belongs to the group of species with foliar type of seedling development characterized by slowly growing cotyledons and a rosette form at juvenility. The rosette is the consequence of fast leaf formation, which was correlated with a low rate of leaf growth. S. paulsenii belongs to the group with the cotyledonous type of seedling development. A high growth rate of cotyledons, slow leaf formation, and absence of the rosette characterize this type. Slow leaf formation was correlated with a high rate of leaf growth. The Kranz–anatomy in cotyledons of S. incanescens (atriplicoid type) and S. paulsenii (salsoloid type) determines the duration of cotyledon development proceeding for 15 days after seed germination. The rate of growth changes during the developmental period was correlated with the type of seedling development. Cotyledons of a foliar species S. incanescens exhibit 2 to 5 times slower growth changes in cotyledon area, width, thickness, volume of mesophyll and bundle sheath cells, and number of chloroplasts per bundle sheath cell than the cotyledons of a cotyledonous species S. paulsenii. During cotyledon development in both species, the number of chloroplasts per mesophyll cell remained unchanged, and developmental changes in the bundle sheath occurred at higher rate than in mesophyll cells. Thus, these two indices seem to be independent of the type of Kranz–anatomy. The presence of atriplicoid type cotyledons in the species with salsoloid structure of true leaves might indicate a close genetic relationship between these two patterns of Kranz-anatomy. |
| Starting Page | 4 |
| Ending Page | 18 |
| Page Count | 15 |
| File Format | |
| ISSN | 10214437 |
| Journal | Russian Journal of Plant Physiology |
| Volume Number | 50 |
| Issue Number | 1 |
| e-ISSN | 16083407 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2003-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science |
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