Table 4.

Effect of different concentrations of H₂O₂ at various immersion times on in vitro sterilization of chrysanthemum.

Treatments	Contamination frequency (%)	Explant viability (%)
H2O2 (%)
0	100.00 ± 00.00	00.00 ± 00.00
10.5	60.74 ± 2.82	37.78 ± 2.48
11	47.41 ± 2.34	49.63 ± 3.35
11.5	33.33 ± 4.30	62.22 ± 4.01
12	8.15 ± 2.43	90.37 ± 2.51
Time (min)
5	56.44 ± 7.50	41.33 ± 7.28
10	50.67 ± 8.26	47.11 ± 8.06
15	42.67 ± 9.02	55.56 ± 8.80
H2O2 (%) ×Time (min)
0 × 5	100.00 ± 00.00	00.00 ± 00.00
0 × 10	100.00 ± 00.00	00.00 ± 00.00
0 × 15	100.00 ± 00.00	00.00 ± 00.00
10.5 × 5	68.89 ± 2.22	31.11 ± 2.22
10.5 × 10	62.22 ± 2.22	35.56 ± 2.22
10.5 × 15	51.11 ± 2.22	46.67 ± 0.00
11 × 5	53.33 ± 3.85	42.22 ± 5.88
11 × 10	46.67 ± 3.85	48.89 ± 5.88
11 × 15	42.22 ± 2.22	57.78 ± 2.22
11.5 × 5	44.44 ± 2.22	51.11 ± 4.45
11.5 × 10	37.78 ± 2.22	60.00 ± 00.00
11.5 × 15	17.78 ± 4.45	75.56 ± 4.45
12 × 5	15.56 ± 2.22	82.22 ± 2.22
12 × 10	6.67 ± 3.85	91.11 ± 2.22
12 × 15	2.22 ± 2.22	97.78 ± 2.22

Values in each column represent means ±SE.