Treatment	Peak Force Lettuce (N)	Peak Force Spinach (N)
Control	575.8 ± 82.1^C	845.00 ± 5.84^ABCD
3% H₂O₂	663.1 ± 53.9^ABC	893 ± 45.8^ABC
0.1% Cinnamon oil	607.9 ± 26.5^BC	933.5 ± 43.5^AB
0.1% Clove bud oil	663.6 ± 36.0^ABC	898.1 ± 65.9^ABC
0.1% Lemongrass oil	574.4 ± 49.8^C	885.3 ± 51.7^ABCD
0.1% Oregano oil	649.7 ± 60.1^ABC	774.7 ± 42.1^D
0.1% Carvacrol	665.1 ± 23.5^ABC	822.8 ± 22.1^BCD
0.1% Citral	631.1 ± 19.1^BC	891.8 ± 46.9^ABC
3% Apple extract	571.6 ± 60.0^C	924.9 ± 35.6^ABC
3% Grapeseed extract	721.0 ± 29.2^AB	845 ± 10.43^ABCD
7% Olive extract	630.3 ± 51.9^BC	893.4 ± 22.9^ABC
10% Olive Extract	718.5 ± 36.7^AB	ND
0.1% Cinnamon oil + 1% Grapeseed extract	ND^*	904.23 ± 3.09^ABC
0.1% Clove bud oil + 3% Apple extract	667.6 ± 50.3^ABC	854.8 ± 59.4^ABCD
0.1% Lemongrass oil + 1% Apple extract	ND	939.0 ± 35.2^A
0.1% Oregano oil + 1% Grapeseed extract	657.7 ± 22.9^ABC	818.0 ± 18.0^CD
0.1% Oregano oil + 7% Olive extract	ND	844.9 ± 19.2^ABCD
0.1% Oregano oil + 10% Olive extract	783.1 ± 53.8^A	ND