International Journal of Agronomy

Research Article

Genetic Variability of Coffee (Coffea arabica L.) Germplasm in Biennial Bearing and Its Influence on Selection Efficiency

Table 9

The top fifteen high yielders (kg ha⁻¹) and top ten low biennial bearing accessions at Gera.


Geno.	The top fifteen high yielders (kg ha⁻¹)							Geno.	The top ten very low biennial bearing accessions
Geno.	2017	2018	2019	2020	Mean	CV (%)	I	Geno.	2009	2010	2011	2012	Mean	CV (%)	I

T38/2011	1462.28	1012.89	2005.77	4507.77	2247.18	60.15	0.30	T10/2011	952.09	873	1271.9	804.81	975.45	18.34	0.15
T39/2011	1399.45	606.04	4481.36	3019.08	2376.48	62.88	0.45	T13/2011	685.18	686.1	1507.5	1784.76	1165.9	42.04	0.15
T41/2011	1627.97	260.21	3101.74	3526.99	2129.23	60.53	0.54	T33/2011	1059.2	956.2	2243	2668.8	1731.8	42.76	0.18
T43/2011	1624.16	1861.91	2939.73	1718.04	2035.96	25.96	0.18	T34/2011	1392.2	885.2	884.41	839.56	1000.3	22.69	0.08
T50/2011	1282.36	1341.07	2607.92	4987.01	2554.59	85.45	0.29	T43/2011	1624.2	1862	2939.7	1718.04	2036	25.96	0.18
T51/2011	1690.24	1298.26	3830.68	1853.86	2168.26	45.23	0.32	T47/2011	1342.4	1182	2767.2	2433.61	1931.3	35.31	0.18
T53/2011	2244.02	984.86	3513.23	3105.82	2461.98	39.32	0.34	T49/2011	1471.5	1083	1857.5	2176.74	1647.2	24.92	0.16
T59/2011	1594.05	800.22	2511.67	3634.57	2135.13	49.48	0.34	T55/2011	635.27	617.2	717.24	711.68	670.34	6.66	0.03
T60/2011	2288.87	2253.05	2662.68	1700.43	2226.26	15.42	0.10	T60/2011	2288.9	2253	2662.7	1700.43	2226.3	15.42	0.10
T64/2011	1872.43	803.56	2748.45	3300.56	2181.25	43.30	0.35	T61/2011	1272.5	820.7	725.41	1064.18	970.69	22.01	0.16
T67/2011	673.46	571.29	5255.03	2315.74	2203.88	85.88	0.42	Mean	1272.34	1121.84	1557.66	1590.26	1435.53
T70/2011	2182.37	568.79	3633.65	2557.60	2235.60	49.20	0.50
T78/2011	2051.10	431.83	4226.53	2128.10	2209.34	51.40	0.58
T80/2011	1456.53	1308.86	3119.16	3838.01	2430.64	61.05	0.25
T85/2011	2232.15	907.21	3552.63	2179.52	2217.88	42.18	0.42
	Check
75227	1528.07	382.02	2649.35	3067.38	2139.66	50.03	0.47
7416	1819.43	454.86	3191.43	2714.67	2179.82	48.20	0.48
8136	1567.58	391.89	2976.87	2440.81	1871.71	52.26	0.49
7514	1676.65	419.16	2776.70	1701.36	1695.77	49.33	0.53
741	1411.33	352.83	3378.98	2987.47	2083.90	58.49	0.49
7576	1481.00	370.25	2704.59	1936.2	1698.97	49.95	0.51
Mean	1402.19	709.46	2025.67	1968.04	1532.45	34.64	0.27
CD(0.05)
CI-CJ	554	572	1673	1207	722		0.25
VI-VJ	1197	1235	3615	2608	1560		0.54
CI-VJ	919∗	948	2775	2002	1198		0.42

CD: least significant difference, and : significant () and highly significant difference (), CV: coefficient of variation, I: intensity of biennial index, Geno.: genotypes, CD: critical difference, CI-CJ: between two control treatments, VI-VJ: between two augmented treatments in different blocks, and CI-VJ: between control treatment and augmented treatment. Note. The unit of yield is kg·ha⁻¹ The bold values indicate the mean performance of the whole coffee genotypes down column or harvesting seasons.