Drought mitigation in cocoa (Theobroma cacao L.) through developing tolerant hybrids

Juby, Baby; Minimol, Janaki Seifudeen; Suma, Basura; Santhoshkumar, Adiyodi Venugopal; Jiji, Joseph; Panchami, Pottekkat Sidharthan

doi:10.1186/s12870-021-03352-4

BMC Plant Biology

Table 3 Biochemical parameters of cocoa hybrid seedlings

From: Drought mitigation in cocoa (Theobroma cacao L.) through developing tolerant hybrids

Sl. No.	Hybrids	Reaction to drought	Proline (μg/g)	NRA (mmol nitrate/g/hr)	SOD (units/mg protein/g)	Glycine betaine (μmol/g)
(I). M13.12 X G I 5.9
1	H1	S	269.08	1.34	0.208	6.30
2	H2	T	695.36	5.60	0.373	7.48
3	H3	S	181.96	4.16	0.186	4.42
4	H4	S	219.44	2.28	0.205	6.03
5	H5	S	247.51	2.14	0.209	5.28
6	H6	S	298.52	3.82	0.210	6.22
7	H7	S	304.19	3.24	0.207	6.21
8	H8	S	354.34	4.04	0.188	6.15
9	H9	T	996.41	8.59	0.327	6.35
10	H10	T	440.93	11.92	0.381	6.77
11	H11	T	452.91	12.59	0.317	7.03
12	H12	T	539.50	6.94	0.351	7.09
13	H13	T	446.25	6.25	0.318	7.43
14	H14	S	293.06	4.03	0.210	5.33
15	H15	S	254.43	2.43	0.159	6.27
16	H16	S	310.02	2.19	0.128	5.25
17	H17	S	174.24	0.51	0.210	5.39
18	H18	S	167.18	2.56	0.209	6.04
19	H19	S	175.86	3.48	0.211	6.26
20	H20	T	418.28	7.12	0.318	6.78
21	H21	S	290.00	4.22	0.164	5.71
22	H22	S	189.29	3.35	0.212	5.94
23	H23	S	173.17	4.03	0.147	5.32
24	H24	T	468.86	5.85	0.351	7.99
25	H25	T	438.26	8.39	0.325	7.43
26	H26	T	504.07	5.08	0.321	11.64
27	H27	HT	1105.64	10.93	0.364	10.43
28	H28	T	479.56	7.13	0.343	7.81
29	H29	T	479.54	5.16	0.319	6.43
30	H30	S	340.35	1.02	0.191	5.36
31	H31	T	490.21	5.11	0.345	8.77
32	H32	S	209.81	2.65	0.164	5.32
	Control		61.33	17.03	0.023	3.22
	CV (%)		4.83	14.60	16.93	10.36
	CD	0.05%	30.54	1.12	0.07	1.12
(II). M13.12 X G II 19.5
33	H33	T	671.38	6.36	0.316	9.46
34	H34	T	547.57	6.79	0.315	9.68
35	H35	S	359.00	2.70	0.195	6.73
36	H36	S	459.65	2.07	0.203	6.06
37	H37	T	523.52	11.74	0.319	8.79
38	H38	HT	2710.82	7.16	0.332	9.52
39	H39	T	522.28	6.59	0.322	8.66
40	H40	S	224.46	3.62	0.197	7.34
41	H41	S	265.09	4.30	0.184	6.02
42	H42	T	619.43	8.52	0.311	9.35
	Control		75.73	19.98	0.064	2.84
	CV (%)		2.59	15.25	13.65	9.34
	CD	0.05%	34.72	1.55	0.06	1.30
(III). M13.12 X G VI 55
43	H43	HT	2817.39	9.75	0.337	8.90
44	H44	HS	85.52	3.39	0.145	6.70
45	H45	S	163.72	3.02	0.166	5.29
46	H46	T	643.40	6.40	0.362	9.66
47	H47	S	111.90	3.49	0.215	6.98
48	H48	T	494.21	10.89	0.334	9.87
49	H49	S	400.96	4.12	0.193	6.87
50	H50	S	247.77	1.88	0.215	7.06
51	H51	S	170.51	4.05	0.215	7.13
	Control		65.60	17.27	0.035	2.82
	CV (%)		2.65	13.85	18.88	11.74
	CD	0.05%	25.98	1.24	0.08	1.53
(IV). G I 5.9 x M 13.12
52	H52	T	536.70	8.45	0.259	8.10
53	H53	S	292.40	2.96	0.167	6.43
54	H54	S	181.17	1.81	0.172	5.88
55	H55	S	386.31	3.92	0.156	5.36
56	H56	S	235.78	3.88	0.173	6.57
57	H57	T	498.21	4.25	0.222	7.97
	Control		85.70	12.95	0.027	3.16
	CV (%)		6.01	15.02	18.31	10.21
	CD	0.05%	38.00	1.13	0.06	1.22
(V). G I 5.9 X G II 19.5
58	H58	S	218.46	3.91	0.218	6.83
59	H59	S	333.96	1.41	0.217	7.18
60	H60	S	326.36	3.62	0.162	7.34
61	H61	S	311.71	2.09	0.166	7.32
62	H62	T	568.81	8.39	0.248	8.93
63	H63	T	706.01	8.66	0.241	9.52
64	H64	T	679.37	9.48	0.243	8.61
65	H65	S	325.70	4.00	0.213	7.11
66	H66	S	177.26	1.42	0.222	7.17
67	H67	T	699.35	9.05	0.237	8.32
68	H68	T	684.66	8.56	0.276	9.38
69	H69	S	196.48	4.03	0.173	7.28
70	H70	S	167.84	3.32	0.204	6.45
	Control		138.00	15.78	0.050	3.34
	CV (%)		6.84	8.68	18.23	9.82
	CD (0.05)		47.62	0.76	0.07	1.29
(VI). G I 5.9 X G VI 55
71	H71	HT	1749.05	9.94	0.256	9.56
72	H72	S	319.70	4.53	0.227	7.05
73	H73	S	395.63	3.65	0.234	7.07
74	H74	HT	1555.89	9.83	0.254	8.85
75	H75	T	450.25	10.26	0.272	9.38
76	H76	HT	1126.96	10.41	0.266	8.63
77	H77	S	169.54	4.50	0.191	6.34
78	H78	S	224.99	4.28	0.218	6.30
	Control		101.33	16.61	0.066	3.18
	CV (%)		4.54	6.58	12.65	9.90
	CD	0.05%	35.13	0.82	NS	1.35
(VII). G II 19.5 x M 13.12
79	H79	T	853.88	7.18	0.225	8.87
80	H80	S	325.03	4.62	0.177	6.78
81	H81	T	498.21	14.27	0.209	8.91
82	H82	T	692.69	8.54	0.197	8.70
83	H83	T	454.91	7.48	0.224	8.66
84	H84	S	269.08	5.27	0.181	7.07
85	H85	HT	2293.88	7.72	0.227	8.43
86	H86	S	374.99	5.20	0.182	7.06
87	H87	S	363.66	4.24	0.170	7.51
88	H88	T	625.80	11.82	0.199	10.08
89	H89	S	295.73	3.98	0.183	7.31
90	H90	HT	1689.10	10.63	0.205	8.89
91	H91	S	139.87	2.80	0.184	7.55
92	H92	S	303.72	5.09	0.180	7.20
93	H93	S	338.75	4.03	0.133	6.93
94	H94	T	447.59	6.90	0.217	9.17
95	H95	S	208.47	4.02	0.162	6.84
96	H96	HT	2011.47	7.80	0.215	9.55
	Control		95.47	15.49	0.042	3.51
	CV (%)		4.52	7.95	19.43	10.15
	CD	0.05%	43.84	0.89	NS	1.36
(VIII). G II 19.5 x G I 5.9
97	H97	HT	1490.62	15.45	0.265	9.46
98	H98	S	169.18	4.76	0.209	7.71
99	H99	S	363.66	4.80	0.213	7.20
100	H100	S	215.67	5.13	0.199	7.90
101	H101	HT	2726.81	9.80	0.270	9.70
102	H102	T	454.25	9.90	0.248	11.31
103	H103	T	500.87	8.09	0.247	13.79
104	H104	T	543.50	8.86	0.239	9.80
105	H105	S	171.93	5.92	0.207	8.02
106	H106	S	162.52	5.49	0.154	7.57
	Control		90.13	18.81	0.017	3.33
	CV (%)		4.70	8.73	18.63	9.74
	CD	0.05%	54.47	1.16	NS	1.53
(IX). G II 19.5 x G VI 55
107	H107	HT	1984.83	12.98	0.163	9.34
108	H108	S	339.69	6.65	0.106	7.18
	Control		69.33	16.66	0.065	2.43
	CV (%)		2.75	4.97	18.99	5.58
	CD	0.05%	72.38	1.11	NS	1.04
(X). G VI 55 x G I 5.9
109	H109	S	308.91	4.12	0.185	6.93
110	H110	S	151.99	3.57	0.136	7.66
111	H111	T	424.27	6.68	0.207	8.94
112	H112	T	411.35	6.38	0.221	10.61
113	H113	T	520.85	7.24	0.207	9.93
114	H114	S	128.55	4.63	0.149	7.42
	Control		74.67	14.76	0.025	3.03
	CV (%)		7.23	6.15	17.34	11.23
	CD	0.05%	41.74	0.59	0.06	1.17
(XI). G VI 55 x G II 19.5
115	H115	T	520.85	17.06	0.209	6.52
116	H116	S	182.50	4.10	0.140	4.42
117	H117	T	743.18	11.35	0.202	6.43
118	H118	HT	1354.75	8.76	0.227	8.50
119	H119	T	412.95	7.56	0.163	9.23
120	H120	T	507.53	6.98	0.173	5.67
	Control		94.00	23.05	0.032	3.18
	CV (%)		5.21	10.22	18.49	8.92
	CD (0.05%)		57.48	1.74	NS	1.08

CD (critical difference is used to compare means of different treatments that have equal number of replications)

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