Research Article

Evaluation of Intrarow Spacing on Growth and Yield Performance of Four Onion (Allium cepa L.) Varieties in Beyeda District, North Gondar, Ethiopia

Table 5

Influence of varieties, intrarow spaces, and their interaction effects in yield and yield components.

VarietyIntrarow spaceParameters
Bulb length (cm)Bulb diameter (cm)Bulb weight (g/plant)Total biomass (g/plant)Marketable yield (t/ha)Unmarketable yield (t/ha)Total bulb yield (t/ha)

Shallot6 cm2.471.9151.0086.6711.131.5312.67
8 cm2.472.1354.3390.0011.671.8013.47
10 cm2.952.6350.6787.3311.431.8713.30
12 cm2.652.2862.001.1514.731.8016.53
Total2.632.2454.5094.7512.241.7513.99
SEM 0.080.092.775.780.730.240.79
SignsNsnsnsnsns
Nasik red6 cm4.404.1437.6765.3315.001.4016.40
8 cm4.154.2635.0070.6712.432.3714.80
10 cm4.674.9053.3396.6715.270.8716.13
12 cm4.414.7140.6781.6715.100.1315.23
Total4.414.5141.6778.5814.451.1915.64
SEM 0.130.142.894.951.000.290.93
Signsnsnsnsnsns
Robat6 cm4.254.3838.3375.0015.700.9716.67
8 cm3.954.4441.6785.0014.570.3014.87
10 cm3.924.2037.0062.009.171.4310.60
12 cm4.384.5040.0076.6712.330.4712.80
Mean4.134.3839.2576.6712.930.7913.73
SEM 0.140.112.474.7412.330.4712.80
Signsnsnsnsnsnsns
Nafis6 cm3.874.2530.3365.0013.201.7714.97
8 cm4.634.7645.0078.3315.871.3317.20
10 cm4.104.3243.3374.6711.600.5712.17
12 cm5.175.3352.67104.3316.800.8017.60
Total4.444.6742.8380.5814.371.1215.48
SEM 0.260.162.795.280.710.230.74
Signsns

Shallot2.63b2.24b54.50a94.75a12.24a1.75a13.99a
Nasik red4.41a4.51a41.67b78.58ab14.45a1.19ab15.64a
Robat4.13a4.38a39.25b74.67b12.93a0.79b13.73a
Nafis4.44a4.67a42.83b80.58ab14.37a1.12ab15.48a
Sig. varietyNsNs
Sig. spaceNsNsNsNsNs
Sig. Va∗spNsNsnsnsNsNsNs

Sig = significantly different; SEM  = standard error of mean; CV = coefficient of variation;  < 0.05 = less significant (),  < 0.01 = significant (), and  < 0.001 = most significant (). Means with the same letter are not significantly different at  < 0.05.