International Journal of Agronomy

Research Article

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

Table 8

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


Genotypes	Top ten high yielder (kg ha⁻¹)								Genotypes	Top ten very low biennial bearing accessions
Genotypes	2016	2017	2018	2019	2020	Mean	CV (%)	I	Genotypes	2016	2017	2018	2019	2020	Mean	CV (%)	I

T21/11	1143.8	1149.1	1459.5	806.2	2287.01	1369.12	36.76	0.22	T26/11	250.2	561.6	505.4	426.3	460.4	440.77	23.94	0.14
T22/11	250.2	2155.4	2424.9	1056.4	1914.49	1560.28	51.25	0.38	T28/11	379.9	270.6	270.6	463.3	443.2	365.52	22.5	0.11
T36/11	444.8	1980.4	2420.5	818.8	2153.24	1563.55	50.05	0.42	T32/11	656.8	418.7	523.3	333.6	506	487.67	22.22	0.19
T37/11	984.1	2627.1	2101.7	761	2716.46	1838.07	44.55	0.40	T33/11	762.5	656.1	664.8	852.5	856.9	758.57	11.46	0.05
T38/11	553.5	2575.9	1639.2	643.4	3245.45	1731.49	61.04	0.49	T49/11	417	687.2	712.2	934.1	1177	785.47	32.5	0.13
T40/11	533.8	3539.5	1769.7	750.6	1723.6	1663.44	63.87	0.47	T55/11	740.2	388.2	533.8	545.9	510.8	543.79	20.8	0.13
T41/11	1684.7	1357.8	2333.5	650.5	1175.94	1440.49	38.75	0.31	T61/11	342.9	433.7	481.9	525.4	454.1	447.59	13.56	0.07
T42/11	708.9	2520.2	2772.2	1334.4	528.2	1572.78	58.48	0.35	T62/11	386.7	398.9	435.2	375.3	583.8	435.98	17.57	0.09
T43/11	1595	1916.7	2635.4	1683.2	576.22	1681.3	39.4	0.24	T73/11	262.1	265.4	417	379.1	215.5	307.81	24.92	0.14
T51/11	1121.3	1364.4	2906	925.7	843.27	1432.13	52.96	0.26	T77/11	222.4	417	486.5	393.2	342.9	372.39	23.66	0.14
	Check								Mean	442.07	449.74	503.07	522.87	555.1	494.56
Geisha	3684	4759.6	5707.4	1058.4	2713.79	3584.7	45	0.34
J-19	3243	5485.6	4220.4	2245.2	2009.53	3440.65	37.5	0.19
Desu	2356	2861.3	2538.3	1843.9	2085.38	2336.92	15.1	0.09
7454A	3097	3393.4	5408.1	1262.4	1886.23	3009.37	47.5	0.27
7440A	3583	2461.9	2640.1	1477.3	2639.06	2560.21	26.1	0.20
Mean	672.48	1055.87	1121.7	545.81	801.18	839.41	26.21	0.19
	CDD (0.05)
CI-CJ	734	1209	1576	333	287	687		0.15
VI-VJ	1607	2649	3452	730	630	1506		0.33
CI-VJ	1227	2023	2636	55	481	1150		0.25

CD: least 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: yield was expressed in kg·ha⁻¹. The bold values show the mean of yield down column of harvesting seasons.