Research Article
Adaptability of Genetically Engineered Bt Cotton Varieties in Different Growing Regions of Ethiopia
Table 5
Ethiopian cotton quality grading system specifications.
| Specification | Grade | A | B | C |
| Staple length (mm) | ≥28.5 | 27 − 28.5 | 25 | Micronaire/fineness | 3.5–4.2 | 4.3–4.9 | 3.2–3.4 and >5 | Strength (g/tex) | ≥29 | 26–28.9 | 25–25.9 | Average sticky points | 0–10 | 11–20 | 21–32 | Short fiber content (%) | ≤10 | 11-12 | 13-14 | Trash content (%) | <3.5 | 3.5–4.5 | 4.6–5 | Moisture content (%) | <8 | <8 | ≤8 | Maturity ratio (%) | ≥85% | 81–84 | 75–80 | Length uniformity ratio (%) | ≥83 | 81-82 | 76–80 | Color grade | 11 − 1 up to 21 − 1 | 21 − 1 up to 31 | 41 − 1 up to 51 − 4 | Contamination (g/bale) | ≤5 | 11 | 10–15 |
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Source: adapted from Tiliksew et al. [ 27]. |