Fig. 4From: Intercropping of lettuce and onion controls caterpillar thread, Agrotis ípsilon major insect pest of lettuceAverage Percentage of lettuce not attacked after the test in the various patterns of intercropping (N = 5; p < 0.05). Mean values ± SE followed by different letters are significantly different (ANOVA, LSD test, differences considered significant at P < 0.05)Back to article page