As observations, insect pest species and their basil also decreased pest damage to 47 and 53%,
respectively. The other PRPs had pest damage more than
60%, while the control had the highest pest damage. This
indicates that different plant species have difference in the
pest repellence and both sacred basil and citronella grass
are better in this aspect than the other plants used.
Yield and quality. The Chinese kale yield ranged from 2.2
kg/m (21.8 t/ha) in plots associated with coriander to 3.0
kale plants from each plot by estimating % leaf area kg/m (29.6 t/ha) in sacred basil (Table II). However, the
yield of Chinese kale was not significantly different among
PRPs.
The quality score showed that the control with a
quality score of 3.5 had moderate to moderate-heavy
damage by insect pests (Table II). On the other hand, sacred
basil had the highest quality with a mean score of 1.9.
on insect pest populations and % pest damage were Except hot pepper and coriander, both had almost the same
transformed to log and arcsine values, respectivel