Table 1.
Comparison of wild type (wt) and xrn4 phenotypes at different stages of plant development.
| Col-0 | xrn4 | p-Value | |
|---|---|---|---|
| 14 days-old | |||
| Primary Root Length (mm) | 51.3 ± 1.3 | 61.6 ± 1.4 | 4.0 × 10−6 |
| N. Lateral Roots | 19.9 ± 1.2 | 12.8 ± 0.7 | 1.6 × 10−5 |
| 28 days-old | |||
| Fresh Weight (mg) | 105 ± 10 | 325 ± 29 | 4.4 × 10−7 |
| N. of Serrations on 5th Leaf | 0.8 ± 0.2 | 2.0 ± 0.2 | 3.1 × 10−4 |
| N. of Serrations on 7th Leaf | 1.3 ± 0.3 | 3.5 ± 0.2 | 2.5 × 10−6 |
| 34 days-old | |||
| Number of Leaves | 11.9 ± 0.2 | 17.4 ± 1.0 | 1.2 × 10−5 |
| 45 days-old | |||
| N. of duplicated siliques | 0.0 ± 0.0 | 3.3 ± 0.6 | 3.1 × 10−4 |
| N. of aborted siliques | 0.1 ± 0.1 | 0.7 ± 0.2 | 3.4 × 10−2 |
| N. of Silique insertions | 25.0 ± 1.3 | 29.3 ± 0.7 | 2.9 × 10−3 |
| Internode length (mm) | 7.9 ± 0.1 | 6.3 ± 0.2 | 2.7 × 10−6 |
The values are Mean ± SE (standard error) for N = 10 plants grown in standard long day (LD) conditions. Statistical t-test p-values relative to Col-0 are given. Root measurements were done on vertically grown plantlets. The number of leaves was determined at 34 days just before bolting of the plants. These data are for the ein5-7 mutant allele. Similar values were recorded for the ein5-1 allele.