Research Article

Influence of Spiral Nematodes (Scutellonema spp.) on Maize Performance and Growth under Natural Field Infestation in Mwea, Kenya

Table 3

Leaf area index (LAI), plant height (PHt), number of leaves per plant (NoLP), main ear height, grain yield, and Scutellonema density in control plots (treated with nematicide) and MPWN (maize plots with no nematicide) during trial one (2018) and trial two (2019) in Nyangati study site, Mwea subcounty.

ParameterYearControl
Mean ± SE
MPWN
Mean ± SE
value value

LAI20181.51a ± 0.2431.43a ± 0.2300.5950.448
20191.65a ± 0.3911.66a ± 0.2993.6190.069
PHt (cm)2018114.05a ± 21.988112.11b ± 22.2494.6490.041
2019112.30a ± 25.56992.55b ± 21.220168.135<0.001∗∗∗
NoLP20187.15a ± 1.1766.66b ± 1.08218.909<0.001∗∗∗
20198.20a ± 1.4027.44b ± 1.26084.552<0.001∗∗∗
Ear height (cm)201882.80a ± 4.38479.98a ± 1.7681.4280.255
201994.60a ± 1.13371.05b ± 3.92848.203<0.001∗∗∗
Grain yield (t/ha)20183.83a ± 0.0003.53a ± 0.4460.4480.528
20192.99a ± 0.0002.28b ± 0.071399.249<0.001∗∗∗
Scutellonema201871.50a ± 14.72767.44a ± 13.5420.2330.634
2019113.75a ± 13.295153.563a ± 42.5281.2390.277

Means within the same row followed by the same letters are not significantly different. , , and .