Table 4. Mean responses of ten traits assessed on families, parents and checks under water stressed condition in 2014/2015 at Adet, Ethiopia.
TTYa | MTY | ATW | PHT | GC | STN | CC | CT | RR | DTI | |
---|---|---|---|---|---|---|---|---|---|---|
Crosses/family | ||||||||||
CIP396034.103 x CIP396038.107 | 0.46b-f | 0.42b-g | 27.8i-n | 37.0tu | 57.4a-d | 3.4a-l | 49.2g-o | 28.0p | 14 | 2.0 |
CIP395096.2 x CIP396012.288 | 0.48a-e | 0.42b-g | 26.5j-o | 62.9a | 58.9a-c | 2.7e-q | 49.7h-q | 23.6a-g | 38 | 1.8 |
CIP395109.34 x CIP396041.102 | 0.48a-e | 0.45a-d | 34.5f-i | 56.6a-e | 51.9b-i | 2.0m-q | 52.2n-r | 24.3b-k | 41 | 1.7 |
CIP396031.108 x CIP396012.288 | 0.41d-l | 0.38c-j | 35.3f-h | 53.4c-i | 48.6d-m | 3.1b-n | 44.3bc | 25.5f-o | 35 | 1.3 |
CIP395109.34 x CIP396038.107 | 0.45b-g | 0.43b-f | 37.0e-g | 56.8a-e | 49.8c-l | 2.2j-q | 50.3j-q | 24.3b-k | 39 | 1.2 |
CIP395096.2 x CIP395077.12 | 0.31m-r | 0.27n-r | 17.2r-t | 43.8m-t | 39.2m-q | 2.5g-q | 52.4o-r | 22.9a-d | 21 | 1.1 |
CIP396031.108 x CIP395017.14 | 0.38f-o | 0.32i-p | 20.7o-r | 47.7g-q | 46.6e-n | 3.1b-o | 49.1g-o | 27.3op | 40 | 1.0 |
CIP395112.32 x CIP396012.288 | 0.48a-e | 0.45a-e | 39.7d-f | 59.9a-c | 59.1a-c | 3.2b-n | 46.8c-i | 24.2a-k | 37 | 0.9 |
CIP396031.108 x CIP395077.12 | 0.39e-n | 0.36f-m | 30.2g-k | 45.0l-s | 43.4h-q | 2.5g-q | 49.7h-q | 25.3e-o | 42 | 0.8 |
CIP395112.32 x CIP396264.14 | 0.44c-h | 0.39c-i | 23.8k-r | 50.5e-m | 46.2f-n | 4.2ab | 49.1g-o | 23.8a-h | 45 | 0.7 |
CIP395109.7 x CIP395017.14 | 0.43c-j | 0.34f-o | 22.1m-r | 52.0d-l | 54.9b-f | 2.6f-q | 51.4l-r | 23.1a-e | 42 | 0.7 |
CIP396034.103 x CIP395011.2 | 0.40e-m | 0.33h-p | 21.2n-r | 43.1n-t | 42.1i-q | 4.2ab | 49.2g-o | 25.9h-p | 38 | 0.4 |
CIP396004.263 x CIP396038.107 | 0.31m-r | 0.26o-r | 18.7p-s | 43.4m-t | 36.0o-q | 2.3i-q | 52.1n-r | 22.9a-d | 38 | 0.3 |
CIP395112.32 x CIP395077.12 | 0.43c-i | 0.37d-l | 24.9j-q | 56.3a-f | 51.1b-j | 4.1a-c | 48.4f-l | 24.6c-m | 43 | 0.2 |
CIP396004.263 x CIP396041.102 | 0.30o-r | 0.27o-r | 18.1q-s | 43.8m-t | 37.5n-q | 2.3i-q | 53.0qr | 23.3a-f | 47 | 0.1 |
CIP395109.34 x CIP395017.229 | 0.38f-o | 0.26p-r | 12.6st | 48.8g-p | 45.9f-o | 2.3i-q | 49.7h-q | 23.7a-h | 51 | 0.0 |
CIP396031.108 x CIP396264.14 | 0.31n-r | 0.27o-r | 25.2j-p | 40.0r-t | 39.5m-q | 2.2k-q | 46.1c-g | 25.4f-o | 53 | -0.1 |
CIP396004.263 x CIP395011.2 | 0.34i-p | 0.30j-q | 24.2k-q | 42.9o-t | 44.2g-p | 4.1a-d | 49.3g-o | 27.1n-p | 48 | -0.1 |
CIP395109.7 x CIP396264.14 | 0.40e-m | 0.36f-m | 29.3h-l | 52.9c-j | 54.9b-f | 3.5a-j | 48.2e-l | 25.3e-o | 49 | -0.2 |
CIP396034.103 x CIP396041.102 | 0.41d-k | 0.38c-k | 25.2j-p | 47.6h-q | 53.5b-g | 4.6a | 49.4g-p | 25.7g-o | 48 | -0.2 |
CIP395109.34 x CIP395011.2 | 0.30o-s | 0.27o-r | 27.9i-n | 45.4k-s | 40.2k-q | 2.6f-q | 52.9qr | 24.0a-i | 44 | -0.2 |
CIP395096.2 x CIP396264.14 | 0.29o-s | 0.27o-r | 33.7f-i | 46.0j-r | 36.7n-q | 1.8o-q | 52.8p-r | 25.9g-p | 53 | -0.3 |
CIP395015.6 x CIP395017.229 | 0.35h-o | 0.32i-q | 28.3i-m | 36.8tu | 43.4h-q | 3.4a-k | 44.8b-e | 25.4e-o | 55 | -0.4 |
CIP395109.7 x CIP396012.288 | 0.41d-l | 0.37e-l | 36.1f-h | 57.2a-e | 50.6b-j | 4.1a-d | 44.4b-d | 25.7g-o | 52 | -0.7 |
CIP395109.7 x CIP395077.12 | 0.32l-r | 0.29k-r | 26.7j-o | 46.9h-r | 39.4m-q | 3.2b-m | 47.8d-k | 23.9a-i | 48 | -0.7 |
CIP395015.6 x CIP396038.107 | 0.36h-o | 0.30j-q | 24.3k-q | 46.4i-r | 46.1f-n | 2.9c-p | 50.4k-q | 26.1i-p | 56 | -0.8 |
CIP395112.32 x CIP395017.14 | 0.35h-p | 0.29l-r | 18.2q-s | 50.2e-n | 48.8d-m | 3.7a-g | 52.3n-r | 22.8a-c | 55 | -1.1 |
CIP395096.2 x CIP395017.14 | 0.21s | 0.17s | 12.5st | 46.0j-r | 33.5q | 1.9n-q | 54.2r | 22.8a-c | 58 | -1.2 |
CIP396034.103 x CIP395017.229 | 0.24rs | 0.16s | 10.5t | 36.5tu | 35.7pq | 2.6g-q | 52.1n-r | 26.8m-p | 58 | -1.2 |
CIP396004.263 x CIP395017.229 | 0.25q-s | 0.22rs | 20.4o-r | 31.2uv | 44.9f-p | 2.8e-p | 48.6f-m | 26.4k-p | 64 | -1.2 |
CIP395015.6 x CIP395011.2 | 0.26p-s | 0.21rs | 17.3r-t | 46.7i-r | 36.0o-q | 2.6f-q | 49.5g-p | 25.1d-o | 56 | -1.5 |
CIP395015.6 x CIP396041.102 | 0.29o-s | 0.23q-s | 19.3p-s | 42.1p-t | 38.6n-q | 3.1b-o | 50.1i-q | 26.1i-p | 60 | -1.5 |
Mean of families | 0.36 | 0.32 | 24.7 | 47.4 | 45.4 | 3 | 49.7 | 24.9 | ||
Parents and checks | ||||||||||
CIP396038.101* | 0.53ab | 0.51a | 46.7a-c | 50.1e-o | 49.8c-l | 2.7e-q | 48.9g-n | 23.9a-i | 30 | 2.1 |
CIP396038.107 | 0.55a | 0.53a | 51.8a | 55.0b-g | 67.3a | 3.2b-n | 46.1c-g | 25.3e-o | 39 | 1.9 |
CIP396029.250* | 0.49a-d | 0.46a-c | 40.0c-f | 54.2b-h | 41.5j-q | 2.4i-q | 44.6b-d | 26.6l-p | 21 | 1.5 |
Gorebella* | 0.46a-f | 0.42b-f | 31.7g-j | 37.6tu | 52.3b-h | 3.8a-f | 47.0c-j | 25.2e-o | 47 | 0.3 |
CIP395112.32 | 0.51a-c | 0.48ab | 44.8bd | 60.8ab | 53.0b-h | 3.9a-e | 51.8m-r | 24.7c-m | 48 | -0.1 |
Belete* | 0.43c-j | 0.40c-i | 43.1c-e | 38.3s-u | 50.0c-k | 2.8e-q | 42.5ab | 27.3op | 49 | -0.1 |
Guassa* | 0.36h-o | 0.33h-p | 23.7k-r | 26.6v | 38.5n-q | 3.6a-i | 40.4a | 26.8m-p | 52 | -0.1 |
CIP395017.229 | 0.39e-n | 0.36f-m | 28.4i-m | 32.5uv | 56.8b-d | 2.4h-q | 48.1e-l | 26.8m-p | 53 | -0.2 |
CIP395109.34 | 0.37g-o | 0.36f-n | 50.5ab | 58.8a-d | 60.5ab | 1.7pq | 52.0n-r | 25.5f-o | 49 | -0.2 |
CIP396004.263 | 0.41d-k | 0.39c-i | 35.8f-h | 41.0q-t | 44.0g-p | 3.7a-h | 45.4b-f | 24.9c-n | 46 | -0.5 |
CIP395096.2 | 0.30o-s | 0.26p-r | 19.2p-s | 46.8i-r | 43.3h-q | 1.5q | 51.2l-r | 22.2ab | 50 | -0.6 |
CIP396034.103 | 0.43c-h | 0.41b-h | 36.4e-g | 49.2f-p | 56.3b-e | 4.5a | 48.5f-m | 25.5f-o | 53 | -0.8 |
CIP396031.108 | 0.36g-o | 0.34g-p | 33.8f-i | 45.5k-s | 49.8c-l | 3.1b-n | 44.6b-d | 24.2a-j | 55 | -1.0 |
CIP395015.6 | 0.34j-p | 0.29l-r | 27.8i-n | 52.6c-k | 44.8g-p | 2.2k-q | 47.0c-j | 24.4b-l | 48 | -1.1 |
CIP395011.2 | 0.34k-q | 0.28m-r | 23.2l-r | 31.6uv | 39.5m-q | 2.8d-p | 46.4c-h | 24.2a-j | 49 | -1.2 |
CIP395077.12 | 0.33k-q | 0.31j-q | 26.2j-o | 45.2l-s | 40.0l-q | 2.4h-q | 46.8c-i | 26.4j-p | 50 | -1.3 |
CIP395017.14 | 0.33k-q | 0.29l-r | 22.0m-r | 37.6tu | 54.8b-f | 2.1l-q | 50.4j-q | 22.0a | 57 | -1.6 |
Mean of parents | 0.39 | 0.36 | 33.3 | 46.4 | 50.8 | 2.8 | 48.2 | 24.7 | ||
Mean of checks | 0.45 | 0.42 | 37 | 41.3 | 46.4 | 3 | 44.7 | 26 | ||
Over all mean | 0.38 | 0.34 | 28.1 | 46.5 | 46.9 | 3 | 48.8 | 25 | ||
CV (%) | 11.6 | 12.3 | 12.2 | 7.8 | 10.6 | 21.3 | 3.5 | 4.5 |
TTY, total tuber yield (kg plant-1); MTY, marketable tuber yield (kg plant-1); ATW, average tuber weight (g); PHT, plant height (cm); GC, groundcover (%); STN, stem number (per plant); CC, chlorophyll content (SPAD reading); CT, canopy temperature (°C); RR, relative reduction of total tuber yield due to drought stress (%); DTI, drought tolerance index.
*clones used as checks, the rest are parents.