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Table 4 Effect of Cinnamomum camphora, Matricaria chamomilla, Mentha arvensis, and Trigonella foenum-graecum leaf extracts and Aerosil 200® on the total chlorophyll, phenol, and protein concentrations (mg/g) in onion plants after 10 days of spray application

From: Effect of different plant extracts and nanoparticles on Thrips tabaci (Lind.) (Thysanoptera: Thripidae) under field conditions and their allelopathic potential on the onion, Allium cepa L. using bioassays and RAPD analysis

CompoundChlorophylls (mg/g)Phenol (mg/g)Protein (mg/g)
C. camphora 4000 ppm1.20b4.65b67.50b
C. camphora 8000 ppm1.35a6.75a77.40a
M. chamomilla 4000 ppm1.09c3.15c58.65c
M. chamomilla 8000 ppm1.17b4.78b64.40b
M. arvensis 4000 ppm0.93e3.15c54.45c
M. arvensis 8000 ppm1.09c4.21b60.35b
T. foenum-graecum 4000 ppm1.01d2.85d57.75c
T. foenum-graecum 8000 ppm1.07c4.10b63.15b
Aerosil 200® 2 ml/l1.11c3.70c47.47e
Aerosil 200® 4 ml/l1.18b5.80a35.25e
LSD (Least significant difference)
  1. aHighly significant at P < 0.01
  2. bSignificant at P < 0.5
  3. c,d,eNon-significant at P < 0.5 (there is no significant difference between data which given the same letter in the same column)