Table 1.
Growth characteristics of plants with different iron and copper treatments
| Harvest |
Non-grain weight (g) |
Grain weight (g) |
Grain number |
Individual grain weight (mg) |
Days to anthesis |
|
|---|---|---|---|---|---|---|
| Control | Anthesis | 4·16 (0·14) | 58·8 (0·6) | |||
| Anthesis + 18 d | 4·11 (0·12) | 2·30 (0·19) | 115·3 (1·7) | 20 | ||
| Maturity | 3·51 (0·04) | 3·36 (0·03) | 115·5 (3·1) | 29 | ||
| No added Fe | Anthesis | 3·87 (0·10) | 57·7 (0·6) | |||
| Anthesis + 18 d | 3·86 (0·12) | 2·13 (0·10) | 113·3 (2·1) | 19 | ||
| Maturity | 3·55 (0·11) | 3·34 (0·10) | 114·3 (1·9) | 29 | ||
| Low Cu | Anthesis | 2·03 (0·08) | 62 (0·7) | |||
| Anthesis + 18 d | 1·78 (0·16) | 0·96 (0·16) | 75·3 (8·3) | 13 | ||
| Maturity | 2·00 (0·15) | 1·66 (0·21) | 81 (6·6) | 20 |
Numbers in parentheses are s.e.m. (n = 4).