Table 3.
Chromosome composition of intergeneric hybrids between modern sugarcane cultivar and E. arundinaceus.
| Group | Clone | Range of chromosome numbers observed (most common cytotype) | Total (Mean) | No. of cells observed | |
|---|---|---|---|---|---|
| From Saccharum | From Erianthus | ||||
| Group A | J08-12 | 52–56 (55) | 26–29 (29) | 79–85 (82) | 20 |
| J11-1 | 52–56 (55) | 26–28 (27) | 79–84 (81) | 19 | |
| J09-1 | 53–55 (54) | 25–28 (27) | 78–83 (81) | 35 | |
| J11-19 | 53–56 (55) | 24–29 (26) | 78–85 (80) | 17 | |
| J09-8 | 52–55 (55) | 23–26 (25) | 76–81 (79) | 20 | |
| J11-9 | 54–56 (55) | 22–26 (24) | 76–81 (79) | 11 | |
| J09-4 | 54 (54) | 24–25 (24) | 78–79 (78) | 3 | |
| J09-10 | 52–55 (55) | 22–24 (24) | 74–79 (78) | 18 | |
| J11-5 | 54–56 (56) | 20–24 (23) | 75–80 (77) | 19 | |
| J09-5 | 52–54 (53) | 23 (23) | 75–77 (76) | 14 | |
| J09-16 | 52–55 (55) | 22–26 (23) | 75–81 (78) | 16 | |
| J09-6 | 53–56 (55) | 22–25 (22) | 75–80 (78) | 7 | |
| J11-17 | 52–57 (55) | 16–19 (19) | 70–77 (72) | 16 | |
| J11-10 | 51–56 (55) | 16–19 (18) | 68–75 (71) | 23 | |
| Group B | J11-7A | 52–54 (53) | 12 (12) | 64–66 (65) | 5 |
| J11-7B | 52–54 (53) | 1 (1) | 52–54 (53) | 9 | |
| Group C | J09-2 | 53–56 (55) | 16–18 (18) | 70–74 (72) | 14 |
Group A, hybrids with no intra-clonal variation in 5S rDNA sites; Group B, hybrids with intra-clonal variation in 5S rDNA sites; Group C, hybrids with no Erianthus 5S rDNA sites but identified based on morphological characteristics.