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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pettigrew, W. T. |
| Copyright Year | 2004 |
| Abstract | The photosynthetic response of 8 cotton (Gossypium hirsutum L.) genotypes to changing irradiance was investigated under field conditions during the 1998 through 2000 growing seasons. Equations developed to describe the response of net photosynthetic rate (P$_{N}$) to photosynthetic photon flux density (PPFD) demonstrated that, across all irradiances, the two okra leaf-type genotypes photosynthesized at a greater rate per unit leaf area than all of the six normal leaf-type genotypes. This superior photosynthetic performance of the okra leaf-type genotypes can be partially explained by their 13 % greater leaf chlorophyll content relative to that of the normal leaf-type genotypes. The 37 % reduction in leaf size brought upon by the okra leaf trait may have concentrated the amount of photosynthetic machinery per unit leaf area. Nevertheless, the lack of sufficient canopy leaf surface area suppressed the potential yield development that could accompany the higher P$_{N}$ per unit leaf area. |
| Starting Page | 567 |
| Ending Page | 571 |
| Page Count | 5 |
| File Format | |
| ISSN | 03003604 |
| Journal | Photosynthetica |
| Volume Number | 42 |
| Issue Number | 2 |
| e-ISSN | 15739058 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2004-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | Plant Physiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science |
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