Table 4.
Panicle Zn concentration and weight at 50% flowering and brown rice Zn concentration and grain weight at maturity among rice genotypes grown in ANS with Zn-sufficient and Zn-deficient conditions.
| Genotype | 50% flowering | Maturity | ||||||
|---|---|---|---|---|---|---|---|---|
| Panicle Zn concentration (mg kg–1) | Panicle weight (g plant–1) | Brown rice Zn concentration (mg kg–1) | Grain weight (g plant–1) | |||||
| Zn-sufficient | Zn-deficient | Zn-sufficient | Zn-deficient | Zn-sufficient | Zn-deficient | Zn-sufficient | Zn-deficient | |
| Experiment 2 | ||||||||
| IR64 | 39 | 35 | 0.60 | 0.42 | 26 | 17 | 3.2 | 2.5 |
| IR68144 | 50 | 31 | 0.31 | 0.52 | 24 | 12 | 1.5 | 1.8 |
| IR74 | 34 | 30 | 0.71 | 1.15 | 21 | 16 | 4.5 | 4.2 |
| IR82247 | 47 | 42 | 0.79 | 0.93 | 18 | 16 | 3.2 | 2.6 |
| IR69428 | 62 | 49 | 0.32 | 0.29 | 35 | 23 | 0.7 | 1.4 |
| IR75862 | 49 | 18 | 0.40 | 0.85 | 29 | 18 | 0.2 | 0.2 |
| Joryoongbyeo | 75 | 57 | 0.54 | 0.37 | 33 | 35 | 1.1 | 0.6 |
| RIL-46 | 49 | 30 | 1.04 | 1.08 | 26 | 20 | 3.4 | 3.0 |
| SWHOO | 55 | 50 | 0.83 | 0.44 | 38 | 32 | 1.2 | 1.2 |
| 5% HSD (G) | 12*** | 0.40*** | 7.7*** | 1.0* | ||||
| 5% LSD (Zn) | 3*** | 0.12NS | 2.0*** | 0.3NS | ||||
| 5% HSD (G×Zn) | 19*** | 0.72* | 12.6* | 1.6NS | ||||
| Experiment 3 | ||||||||
| A69-1 | 35 | 9 | 1.04 | 0.54 | 32 | 10 | 1.0 | 1.3 |
| IR55179 | 29 | 8 | 1.04 | 0.98 | 20 | 7 | 3.3 | 2.9 |
| IR69428 | 46 | 19 | 0.28 | 0.28 | 30 | 18 | 1.0 | 0.5 |
| KP | 27 | – | 0.22 | – | 12 | – | 1.4 | – |
| 5% LSD(G) | 5.4*** | 0.30*** | 4*** | 0.5* | ||||
| 5% LSD (Zn) | 3.9*** | 0.20NS | 3*** | 0.4NS | ||||
| 5% HSD (G×Zn) | 11NS | 0.57NS | 8*** | 1.1NS | ||||
Values given are means (n=5). Data for Jalmagna are not given as it did not flower.
****, **, * indicate significant difference at P ≤ 0.001, 0.01, and 0.05, respectively. NS, non-significant.
G, genotype, Zn, Zn treatment. Grain weight includes hull and brown rice weight.