Figure 1.

Figure 2.

Morphological variables of grafted and non-grafted papaya plants in 1st experiment_
| Treatments | Plant height (cm) | Stem girth (cm) | Leaves (No.) | Height at 1st fruit (cm) |
|---|---|---|---|---|
| RG × SBS | 213.40 cd | 49.50 ab | 38.00 ab | 73.80 a |
| RBS × SG | 200.60 d | 51.40 ab | 40.60 a | 69.80 ab |
| RM × SMS | 233.80 ab | 47.04 abc | 37.00 ab | 67.80 ab |
| RMS × SMa | 221.40 abc | 52.80 a | 40.00 ab | 69.20 ab |
| RBS2 × SM | 211.40 cd | 48.64 ab | 36.20 ab | 69.40 ab |
| RBS2 × SG | 223.00 abc | 45.38 bc | 35.60 ab | 72.40 a |
| NgBS | 236.40 a | 49.14 ab | 39.00 ab | 68.20 ab |
| NgG | 211.40 cd | 48.38 ab | 38.20 ab | 72.40 a |
| NgM | 204.40 cd | 41.32 c | 34.80 ab | 56.80 b |
| NgMa | 215.80 bcd | 41.20 c | 33.20 b | 65.40 ab |
| C.V. | 4.15 | 6.95 | 8.80 | 8.97 |
| p | ** | ** | ** | ** |
Qualitative variables in fruits of grafted and non-grafted papaya plants in 2nd experiment_
| Treatments | Fruits (No.) | Fruits weight (kg) | Yield (kg) | |
|---|---|---|---|---|
| Plant | Area (m2) | |||
| RRQ+ × ST | 28.80 abc | 1.21 | 34.45 abc | 7.65 abc |
| RRQ-× ST | 35.40 a | 1.03 | 35.63 ab | 7.91 ab |
| RWGP × ST | 34.40 ab | 1.04 | 35.54 ab | 7.89 ab |
| RWPP × ST | 27.80 abc | 1.23 | 33.70 abc | 7.48 abc |
| RRQ+ × SM | 34.40 ab | 1.13 | 38.39 a | 8.53 a |
| RRC-× SM | 37.60 a | 1.03 | 37.02 ab | 8.22 ab |
| RWGP × SM | 29.00 abc | 1.15 | 32.96 abc | 7.32 abc |
| RWGP × SM | 32.00 abc | 1.11 | 35.53 ab | 7.89 ab |
| NgT | 25.20 bc | 1.17 | 28.96 bc | 6.43 bc |
| NgM | 22.60 c | 1.18 | 26.36 c | 5.85 c |
| CV | 15.03 | 17.09 | 11.55 | 11.54 |
| p | ** | ns | ** | ** |
Qualitative variables in fruits of grafted and non-grafted papaya plants in 1st experiment_
| Treatments | Fruit circumference (cm) | Pulp width (cm) | Soluble solids (°Brix) | Fruit shape index | |
|---|---|---|---|---|---|
| Polar | Equatorial | ||||
| RG × SBS | 52.80 | 37.60 | 2.60 | 12.20 | 1.42 |
| RBS × SG | 54.40 | 36.40 | 2.72 | 11.60 | 1.51 |
| RM × SMS | 47.60 | 33.60 | 2.76 | 13.40 | 1.62 |
| RMS × SMa | 54.00 | 38.00 | 2.70 | 12.60 | 1.46 |
| RBS2 × SM | 54.00 | 36.80 | 2.62 | 13.60 | 1.43 |
| RBS2 × SG | 54.40 | 33.20 | 2.52 | 12.40 | 1.61 |
| NgBS | 52.60 | 35.00 | 2.60 | 12.60 | 1.51 |
| NgG | 54.20 | 35.20 | 2.60 | 12.60 | 1.56 |
| NgM | 52.60 | 34.40 | 2.66 | 12.60 | 1.53 |
| NgMa | 53.40 | 35.40 | 2.72 | 12.80 | 1.52 |
| C.V. | 12.91 | 12.27 | 11.64 | 12.66 | 18.02 |
| p | ns | ns | ns | ns | ns |
Morphological variables of grafted and non-grafted papaya plants in 2nd experiment_
| Treatments | Plant height (cm) | Stem girth (cm) | Leaves (No.) | Height at 1st fruit (cm) |
|---|---|---|---|---|
| RRQ+ × ST | 247.40 abc | 48.72 ab | 39.60 bc | 91.20 ab |
| RRQ-× ST | 263.20 ab | 49.84 ab | 47.60 a | 95.20 ab |
| RWGP × ST | 231.00 bcd | 48.16 ab | 36.80 c | 96.20 ab |
| RWPP × ST | 283.40 a | 50.68 a | 43.20 abc | 104.00 a |
| RRQ+ × SM | 189.40 d | 45.24 ab | 37.20 c | 52.80 d |
| RRC-× SM | 231.20 bcd | 47.60 ab | 46.20 ab | 61.20 cd |
| RWGP × SM | 195.80 d | 43.96 ab | 37.80 c | 63.00 cd |
| RWGP × SM | 208.00 cd | 49.84 ab | 36.60 bc | 62.40 cd |
| NgT | 260.80 ab | 45.64 ab | 39.60 bc | 80.60 bc |
| NgM | 207.40 cd | 41.72 b | 38.40 c | 62.00 cd |
| C.V. | 8.79 | 8.37 | 9.00 | 13.77 |
| p | ** | ** | ** | ** |
Treatments evaluated in two grafted papaya field experiments_
| Experiment 1 | Experiment 2 | ||
|---|---|---|---|
| Rootstock × Scion | Abbreviation | Rootstock × Scion | Abbreviation |
| 1. 'Gibara' × 'BS' | RG × SBS | 1. 'Robusta' with quality × 'Tainung' | RRQ+ × ST |
| 2. 'BS' × 'Gibara' | RBS × SG | 2. 'Robusta' without quality × 'Tainung' | RRQ-× ST |
| 3. 'Maradol' × 'MSXJ' | RM × SMS | 3. WGP ×, Tainung' | RWGP × ST |
| 4. 'MSXJ' × 'Maradona' | RMS × SMa | 4. WPP × 'Tainung' | RWPP × ST |
| 5. 'BS2' × 'Maradol' | RBS2 × SM | 5. 'Robusta' with quality × 'Maradol' | RRQ+ × SM |
| 6. 'BS2' × 'Gibara' | RBS2 × SG | 6. 'Robusta' without quality × 'Maradol' | RRQ-× SM |
| 7. Non-grafted 'BS' | NgBS | 7. WGP × 'Maradol' | RWGP × SM |
| 8. Non-grafted 'Gibara' | NgG | 8. WPP × 'Maradol' | RWPP × SM |
| 9. Non-grafted 'Maradol' | NgM | 9. Non-grafted 'Tainung' | NgT |
| 10. Non-grafted 'Maradona' | NgMa | 10. Non-grafted 'Maradol' | NgM |
Quantitative variables in fruits of grafted and non-grafted papaya plants in 1st experiment_
| Treatments | Fruits (No.) | Fruits weight (kg) | Yield (kg) | |
|---|---|---|---|---|
| Plant | Area (m2) | |||
| RG × SBS | 33.60 abc | 1.15 | 38.49 ab | 8.55 ab |
| RBS × SG | 34.20 ab | 1.18 | 39.67 ab | 8.81 ab |
| RM × SMS | 35.60 a | 1.10 | 39.44 ab | 8.76 ab |
| RMS × SMa | 35.40 a | 1.13 | 40.20 a | 8.93 a |
| RBS2 × SM | 33.60 abc | 1.17 | 40.01 ab | 8.89 a |
| RBS2 × SG | 36.80 a | 1.08 | 37.66 ab | 8.69 ab |
| NgBS | 28.80 abc | 1.09 | 31.38 ab | 6.96 ab |
| NgG | 27.00 bc | 1.11 | 30.12 ab | 6.69 ab |
| NgM | 25.60 c | 1.06 | 27.04 b | 6.01 b |
| NgMa | 25.60 c | 1.15 | 29.29 ab | 6.50 ab |
| C.V. | 12.45 | 12.44 | 19.05 | 18.53 |
| p | ** | ns | ** | ** |