Fabrication and characterization of novel biocomposite based on Sargassum vulgare for controlling sugar beet root diseases

Chemical and Biological Technologies in Agriculture

Table 2 Evaluation of S. vulgare, nanosargassum and biocomposite extracts potency on controlling root rot disease caused by S. rolfsii under greenhouse condition

Treatment	Disease severity			Eff%	Disease incidence			Eff%
Treatment	1st	2nd	Mean	Eff%	1st	2nd	Mean	Eff%
S. vulgare	40.97	45.83	43.4 ± 4.58^b	52.00	55.55	66.67	61.11 ± 8.24^b	36.92
Nanosargassum	47.22	34.70	40.96 ± 8.77^b	54.70	69.44	72.22	70.83 ± 6.72^ab	26.89
Biocomposite	21.11	22.22	21.67 ± 7.2^c	76.04	31.11	55.55	43.33 ± 16.22^b	55.27
Fungicide	25.00	33.33	29.17 ± 7.68^bc	67.74	38.89	83.33	61.11 ± 15.32^b	36.92
Control	93.33	87.50	90.42 ± 4.58^a		93.75	100.00	96.88 ± 3.13^a

^*Means ± standard deviation within a column followed by different letter(s) in the column are significantly different according to Duncan’s multiple range test at p < 0.05. Values are mean of three replicates for each treatment as well as the control