Table 2 Nematode (M. incognita) egg hatching Inhibition (%) by different solvent extracts of C. Spicata. (CSREA C. Spicata rhizome extract in acetone, CSREH C. Spicata rhizome extract in hexane, CSREM C. Spicata rhizome extract in methanol, CSAEA C. Spicata aerial part extract in acetone, CSAEH C. Spicata aerial part extract in hexane, CSAEM C. Spicata aerial part extract in methanol, SD standard deviation; the Tukey’s test (p < 0.05) indicates that there is no statistically significant difference between mean values in a column that is followed by the same letter.)

Extract	Concentration (µg/mL)	Nematode egg hatching inhibition (%) (Mean ± SD)
Extract	Concentration (µg/mL)	24 h	48 h	72 h	96 h
CSAEA	250	89.48 ± 1.25^a	79.44 ± 1.63^a	67.16 ± 3.30^a	55.86 ± 2.62^ab
	500	90.15 ± 1.70^a	83.58 ± 2.62^b	71.39 ± 2.49^b	56.76 ± 2.94^b
	1000	92.15 ± 1.70^b	84.58 ± 1.41^b	77.94 ± 3.40^c	71.24 ± 3.30^d
CSAEH	250	100.00 ± 0.00^f	97.50 ± 2.05^fg	92.53 ± 2.87^f	88.15 ± 2.45^h
	500	99.63 ± 0.47^f	97.29 ± 1.70^f	93.66 ± 2.94^fg	88.57 ± 2.16^h
	1000	100.00 ± 0.00^f	99.00 ± 0.47^gh	97.60 ± 2.62ⁱ	90.85 ± 2.16ⁱ
CSAEM	250	95.56 ± 0.82^d	91.08 ± 1.25^e	88.23 ± 2.49^e	85.24 ± 2.45^g
	500	99.19 ± 1.70^f	96.86 ± 1.70^f	94.93 ± 2.45^gh	94.39 ± 1.63^jk
	1000	99.93 ± 0.47^f	99.64 ± 2.36^h	96.41 ± 1.63^hi	95.91 ± 1.25^k
CSREA	250	89.48 ± 1.25^a	80.87 ± 2.49^a	65.33 ± 2.45^a	54.54 ± 2.05^ab
	500	96.00 ± 2.94^d	90.86 ± 2.62^e	77.59 ± 2.94^c	65.28 ± 2.45^c
	1000	93.70 ± 0.94^c	87.72 ± 1.25^c	81.68 ± 1.70^d	75.19 ± 2.05^e
CSREH	250	96.00 ± 2.16^d	89.29 ± 2.94^d	78.93 ± 2.87^c	75.88 ± 3.27^ef
	500	95.63 ± 1.25^d	92.08 ± 0.82^e	90.13 ± 0.47^e	88.15 ± 2.16^h
	1000	98.96 ± 1.25^f	97.43 ± 2.16^f	95.77 ± 2.94^hi	94.39 ± 3.27^jk
CSREM	250	96.37 ± 1.25^d	86.51 ± 2.16^c	81.61 ± 3.27^d	77.20 ± 2.62^f
	500	97.56 ± 1.63^e	96.36 ± 1.63^f	94.79 ± 2.87^gh	92.65 ± 2.87^ij
	1000	100.00 ± 0.00^f	100.00 ± 0.00^h	96.76 ± 1.70^hi	95.56 ± 2.05^k

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