. 2017 Jul 25;12(7):e0181541. doi: 10.1371/journal.pone.0181541

Table 4. Mean responses of ten traits assessed on families, parents and checks under water stressed condition in 2014/2015 at Adet, Ethiopia.

	TTY^a	MTY	ATW	PHT	GC	STN	CC	CT	RR	DTI
Crosses/family
CIP396034.103 x CIP396038.107	0.46^b^-^f	0.42^b^-^g	27.8ⁱ^-ⁿ	37.0^t ^u	57.4^a^-^d	3.4^a^-^l	49.2^g^-^o	28.0^p	14	2.0
CIP395096.2 x CIP396012.288	0.48^a^-^e	0.42^b^-^g	26.5^j^-^o	62.9^a	58.9^a^-^c	2.7^e^-^q	49.7^h^-^q	23.6^a^-^g	38	1.8
CIP395109.34 x CIP396041.102	0.48^a^-^e	0.45^a^-^d	34.5^f^-ⁱ	56.6^a^-^e	51.9^b^-ⁱ	2.0^m^-^q	52.2ⁿ^-^r	24.3^b^-^k	41	1.7
CIP396031.108 x CIP396012.288	0.41^d^-^l	0.38^c^-^j	35.3^f^-^h	53.4^c^-ⁱ	48.6^d^-^m	3.1^b^-ⁿ	44.3^b ^c	25.5^f^-^o	35	1.3
CIP395109.34 x CIP396038.107	0.45^b^-^g	0.43^b^-^f	37.0^e^-^g	56.8^a^-^e	49.8^c^-^l	2.2^j^-^q	50.3^j^-^q	24.3^b^-^k	39	1.2
CIP395096.2 x CIP395077.12	0.31^m^-^r	0.27ⁿ^-^r	17.2^r^-^t	43.8^m^-^t	39.2^m^-^q	2.5^g^-^q	52.4^o^-^r	22.9^a^-^d	21	1.1
CIP396031.108 x CIP395017.14	0.38^f^-^o	0.32ⁱ^-^p	20.7^o^-^r	47.7^g^-^q	46.6^e^-ⁿ	3.1^b^-^o	49.1^g^-^o	27.3^o ^p	40	1.0
CIP395112.32 x CIP396012.288	0.48^a^-^e	0.45^a^-^e	39.7^d^-^f	59.9^a^-^c	59.1^a^-^c	3.2^b^-ⁿ	46.8^c^-ⁱ	24.2^a^-^k	37	0.9
CIP396031.108 x CIP395077.12	0.39^e^-ⁿ	0.36^f^-^m	30.2^g^-^k	45.0^l^-^s	43.4^h^-^q	2.5^g^-^q	49.7^h^-^q	25.3^e^-^o	42	0.8
CIP395112.32 x CIP396264.14	0.44^c^-^h	0.39^c^-ⁱ	23.8^k^-^r	50.5^e^-^m	46.2^f^-ⁿ	4.2^a ^b	49.1^g^-^o	23.8^a^-^h	45	0.7
CIP395109.7 x CIP395017.14	0.43^c^-^j	0.34^f^-^o	22.1^m^-^r	52.0^d^-^l	54.9^b^-^f	2.6^f^-^q	51.4^l^-^r	23.1^a^-^e	42	0.7
CIP396034.103 x CIP395011.2	0.40^e^-^m	0.33^h^-^p	21.2ⁿ^-^r	43.1ⁿ^-^t	42.1ⁱ^-^q	4.2^a ^b	49.2^g^-^o	25.9^h^-^p	38	0.4
CIP396004.263 x CIP396038.107	0.31^m^-^r	0.26^o^-^r	18.7^p^-^s	43.4^m^-^t	36.0^o^-^q	2.3ⁱ^-^q	52.1ⁿ^-^r	22.9^a^-^d	38	0.3
CIP395112.32 x CIP395077.12	0.43^c^-ⁱ	0.37^d^-^l	24.9^j^-^q	56.3^a^-^f	51.1^b^-^j	4.1^a^-^c	48.4^f^-^l	24.6^c^-^m	43	0.2
CIP396004.263 x CIP396041.102	0.30^o^-^r	0.27^o^-^r	18.1^q^-^s	43.8^m^-^t	37.5ⁿ^-^q	2.3ⁱ^-^q	53.0^q ^r	23.3^a^-^f	47	0.1
CIP395109.34 x CIP395017.229	0.38^f^-^o	0.26^p^-^r	12.6^s ^t	48.8^g^-^p	45.9^f^-^o	2.3ⁱ^-^q	49.7^h^-^q	23.7^a^-^h	51	0.0
CIP396031.108 x CIP396264.14	0.31ⁿ^-^r	0.27^o^-^r	25.2^j^-^p	40.0^r^-^t	39.5^m^-^q	2.2^k^-^q	46.1^c^-^g	25.4^f^-^o	53	-0.1
CIP396004.263 x CIP395011.2	0.34ⁱ^-^p	0.30^j^-^q	24.2^k^-^q	42.9^o^-^t	44.2^g^-^p	4.1^a^-^d	49.3^g^-^o	27.1ⁿ^-^p	48	-0.1
CIP395109.7 x CIP396264.14	0.40^e^-^m	0.36^f^-^m	29.3^h^-^l	52.9^c^-^j	54.9^b^-^f	3.5^a^-^j	48.2^e^-^l	25.3^e^-^o	49	-0.2
CIP396034.103 x CIP396041.102	0.41^d^-^k	0.38^c^-^k	25.2^j^-^p	47.6^h^-^q	53.5^b^-^g	4.6^a	49.4^g^-^p	25.7^g^-^o	48	-0.2
CIP395109.34 x CIP395011.2	0.30^o^-^s	0.27^o^-^r	27.9ⁱ^-ⁿ	45.4^k^-^s	40.2^k^-^q	2.6^f^-^q	52.9^q ^r	24.0^a^-ⁱ	44	-0.2
CIP395096.2 x CIP396264.14	0.29^o^-^s	0.27^o^-^r	33.7^f^-ⁱ	46.0^j^-^r	36.7ⁿ^-^q	1.8^o^-^q	52.8^p^-^r	25.9^g^-^p	53	-0.3
CIP395015.6 x CIP395017.229	0.35^h^-^o	0.32ⁱ^-^q	28.3ⁱ^-^m	36.8^t ^u	43.4^h^-^q	3.4^a^-^k	44.8^b^-^e	25.4^e^-^o	55	-0.4
CIP395109.7 x CIP396012.288	0.41^d^-^l	0.37^e^-^l	36.1^f^-^h	57.2^a^-^e	50.6^b^-^j	4.1^a^-^d	44.4^b^-^d	25.7^g^-^o	52	-0.7
CIP395109.7 x CIP395077.12	0.32^l^-^r	0.29^k^-^r	26.7^j^-^o	46.9^h^-^r	39.4^m^-^q	3.2^b^-^m	47.8^d^-^k	23.9^a^-ⁱ	48	-0.7
CIP395015.6 x CIP396038.107	0.36^h^-^o	0.30^j^-^q	24.3^k^-^q	46.4ⁱ^-^r	46.1^f^-ⁿ	2.9^c^-^p	50.4^k^-^q	26.1ⁱ^-^p	56	-0.8
CIP395112.32 x CIP395017.14	0.35^h^-^p	0.29^l^-^r	18.2^q^-^s	50.2^e^-ⁿ	48.8^d^-^m	3.7^a^-^g	52.3ⁿ^-^r	22.8^a^-^c	55	-1.1
CIP395096.2 x CIP395017.14	0.21^s	0.17^s	12.5^s ^t	46.0^j^-^r	33.5^q	1.9ⁿ^-^q	54.2^r	22.8^a^-^c	58	-1.2
CIP396034.103 x CIP395017.229	0.24^r ^s	0.16^s	10.5^t	36.5^t ^u	35.7^p ^q	2.6^g^-^q	52.1ⁿ^-^r	26.8^m^-^p	58	-1.2
CIP396004.263 x CIP395017.229	0.25^q^-^s	0.22^r ^s	20.4^o^-^r	31.2^u ^v	44.9^f^-^p	2.8^e^-^p	48.6^f^-^m	26.4^k^-^p	64	-1.2
CIP395015.6 x CIP395011.2	0.26^p^-^s	0.21^r ^s	17.3^r^-^t	46.7ⁱ^-^r	36.0^o^-^q	2.6^f^-^q	49.5^g^-^p	25.1^d^-^o	56	-1.5
CIP395015.6 x CIP396041.102	0.29^o^-^s	0.23^q^-^s	19.3^p^-^s	42.1^p^-^t	38.6ⁿ^-^q	3.1^b^-^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^*	0.53^a ^b	0.51^a	46.7^a^-^c	50.1^e^-^o	49.8^c^-^l	2.7^e^-^q	48.9^g^-ⁿ	23.9^a^-ⁱ	30	2.1
CIP396038.107	0.55^a	0.53^a	51.8^a	55.0^b^-^g	67.3^a	3.2^b^-ⁿ	46.1^c^-^g	25.3^e^-^o	39	1.9
CIP396029.250^*	0.49^a^-^d	0.46^a^-^c	40.0^c^-^f	54.2^b^-^h	41.5^j^-^q	2.4ⁱ^-^q	44.6^b^-^d	26.6^l^-^p	21	1.5
Gorebella^*	0.46^a^-^f	0.42^b^-^f	31.7^g^-^j	37.6^t ^u	52.3^b^-^h	3.8^a^-^f	47.0^c^-^j	25.2^e^-^o	47	0.3
CIP395112.32	0.51^a^-^c	0.48^a ^b	44.8^b ^d	60.8^a ^b	53.0^b^-^h	3.9^a^-^e	51.8^m^-^r	24.7^c^-^m	48	-0.1
Belete^*	0.43^c^-^j	0.40^c^-ⁱ	43.1^c^-^e	38.3^s^-^u	50.0^c^-^k	2.8^e^-^q	42.5^a ^b	27.3^o ^p	49	-0.1
Guassa^*	0.36^h^-^o	0.33^h^-^p	23.7^k^-^r	26.6^v	38.5ⁿ^-^q	3.6^a^-ⁱ	40.4^a	26.8^m^-^p	52	-0.1
CIP395017.229	0.39^e^-ⁿ	0.36^f^-^m	28.4ⁱ^-^m	32.5^u ^v	56.8^b^-^d	2.4^h^-^q	48.1^e^-^l	26.8^m^-^p	53	-0.2
CIP395109.34	0.37^g^-^o	0.36^f^-ⁿ	50.5^a ^b	58.8^a^-^d	60.5^a ^b	1.7^p ^q	52.0ⁿ^-^r	25.5^f^-^o	49	-0.2
CIP396004.263	0.41^d^-^k	0.39^c^-ⁱ	35.8^f^-^h	41.0^q^-^t	44.0^g^-^p	3.7^a^-^h	45.4^b^-^f	24.9^c^-ⁿ	46	-0.5
CIP395096.2	0.30^o^-^s	0.26^p^-^r	19.2^p^-^s	46.8ⁱ^-^r	43.3^h^-^q	1.5^q	51.2^l^-^r	22.2^a ^b	50	-0.6
CIP396034.103	0.43^c^-^h	0.41^b^-^h	36.4^e^-^g	49.2^f^-^p	56.3^b^-^e	4.5^a	48.5^f^-^m	25.5^f^-^o	53	-0.8
CIP396031.108	0.36^g^-^o	0.34^g^-^p	33.8^f^-ⁱ	45.5^k^-^s	49.8^c^-^l	3.1^b^-ⁿ	44.6^b^-^d	24.2^a^-^j	55	-1.0
CIP395015.6	0.34^j^-^p	0.29^l^-^r	27.8ⁱ^-ⁿ	52.6^c^-^k	44.8^g^-^p	2.2^k^-^q	47.0^c^-^j	24.4^b^-^l	48	-1.1
CIP395011.2	0.34^k^-^q	0.28^m^-^r	23.2^l^-^r	31.6^u ^v	39.5^m^-^q	2.8^d^-^p	46.4^c^-^h	24.2^a^-^j	49	-1.2
CIP395077.12	0.33^k^-^q	0.31^j^-^q	26.2^j^-^o	45.2^l^-^s	40.0^l^-^q	2.4^h^-^q	46.8^c^-ⁱ	26.4^j^-^p	50	-1.3
CIP395017.14	0.33^k^-^q	0.29^l^-^r	22.0^m^-^r	37.6^t ^u	54.8^b^-^f	2.1^l^-^q	50.4^j^-^q	22.0^a	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.

^a^-^z Means in a column followed by the same letter(s) are not significantly different at p ≥ 0.05.

*clones used as checks, the rest are parents.