. 2024 Apr 1;14:7679. doi: 10.1038/s41598-024-58082-y

Table 2.

Effects of extracts on Digitaria sanguinalis seed germination and seedling growth, and allelopathy evaluation.

Treatment	Test item						Allelopathic RI						Allelopathic synthesis effect SE
Treatment	Germination rate (%)	Germination index	Vitality index	Radicle length (mm)	Shoot length (mm)	Seedling fresh weight (mg)	Germination rate	Germination index	Vitality index	Radicle length	Shoot length	Seedling fresh weight	Allelopathic synthesis effect SE
CK	72.2 ± 5.1^a	2.42 ± 0.36^a	18.2 ± 3.3^a	22.6 ± 1.2^a	22.7 ± 0.9^a	7.51 ± 0.24^a	0^a	0^a	0^a	0^a	0^a	0^a	0^a
J1-1	31.1 ± 10.2f.	0.94 ± 0.48^de	5.66 ± 3.03^ef	10.6 ± 0.2^c	19.7 ± 0.2^c	5.90 ± 0.35^cd	− 0.57f.	− 0.61^d	− 0.69^de	− 0.53^c	− 0.13^c	− 0.21^cd	− 0.46^d
J1-2	18.9 ± 6.9^g	0.58 ± 0.37^ef	3.28 ± 2.13^fg	10.3 ± 0.4^cd	18.5 ± 0.3^d	5.70 ± 0.10^cde	− 0.74^g	− 0.76^de	− 0.82^ef	− 0.54^c	− 0.19^d	− 0.24^cde	− 0.55^ef
J1-3	15.6 ± 5.1^g	0.26 ± 0.06f.	1.32 ± 0.33^g	9.34 ± 0.19^e	17.7 ± 0.2^d	5.03 ± 0.25f.	− 0.78^g	− 0.89^e	− 0.93f.	− 0.59^d	− 0.22^d	− 0.33^fg	− 0.62^g
J2-1	56.7 ± 3.3^b	1.74 ± 0.06^bc	9.65 ± 0.40^cd	9.45 ± 0.23^de	13.5 ± 0.8^e	5.55 ± 0.17^de	− 0.22^b	− 0.28^bc	− 0.47^c	− 0.58^d	− 0.40^e	− 0.26^de	− 0.37^c
J2-2	46.7 ± 3.3^cd	1.38 ± 0.24^cd	6.94 ± 1.32^de	8.27 ± 0.25f.	13.0 ± 0.6^e	5.01 ± 0.10f.	− 0.35^cd	− 0.43^c	− 0.62^d	− 0.63^e	− 0.43^ef	− 0.33^g	− 0.47^d
J2-3	37.8 ± 1.9^ef	0.88 ± 0.09^e	3.98 ± 0.34^efg	7.25 ± 0.08^g	12.6 ± 0.2^e	4.53 ± 0.35^g	− 0.48^ef	− 0.64^d	− 0.78^e	− 0.68f.	− 0.44f.	− 0.40^h	− 0.57^fg
J3-1	53.3 ± 3.3^bc	2.02 ± 0.32^ab	13.6 ± 2.4^b	17.8 ± 0.8^b	21.6 ± 0.4^b	6.73 ± 0.22^b	− 0.26^bc	− 0.17^ab	− 0.25^b	− 0.21^b	− 0.05^b	− 0.10^b	− 0.17^b
J3-2	44.4 ± 3.8^de	1.77 ± 0.11^bc	10.8 ± 0.4^bc	10.6 ± 0.3^c	18.5 ± 0.6^d	6.13 ± 0.48^c	− 0.38^de	− 0.27^bc	− 0.41^c	− 0.53^c	− 0.18^d	− 0.18^c	− 0.33^c
J3-3	35.6 ± 1.9f.	0.93 ± 0.16^e	5.04 ± 0.87^ef	7.08 ± 0.81^g	20.4 ± 0.8^c	5.44 ± 0.02^ef	− 0.51f.	− 0.62^d	− 0.72^de	− 0.69f.	− 0.10^c	− 0.28^ef	− 0.49^de

Data are the mean ± standard deviation of three replicates. Different lowercase letters in each column represent significant differences at the 0.05 level.

CK blank control, RI response index, SE synergistic allelopathy effect index.