1 材料与方法
1.1 材料
1.2 方法
表1 不同浓度硅剂溶液在培养基和无菌水中的pHTab. 1 pH values of different concentrations of silicon solution in medium and sterile water |
| 硅剂 Silicon | 溶剂 Solvent | 不同浓度硅剂溶液Different concentrations of silicon solution/(mmol·L-1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0.5 | 1.0 | 1.7 | 2.0 | 3.5 | 5.0 | 7.0 | 10.0 | 20.0 | ||
| 硅酸钠 | 培养基 | 5.66 | 6.35 | 7.06 | 7.69 | 7.80 | 8.90 | 9.27 | 9.65 | 10.06 | 10.91 |
| 无菌水 | 5.87 | 10.21 | 10.60 | 10.86 | 10.96 | 11.17 | 11.29 | 11.41 | 11.52 | 11.69 | |
| 硅酸钾 | 培养基 | 5.66 | 6.66 | 7.22 | 7.93 | 8.41 | 9.40 | 9.92 | 10.32 | 10.76 | 11.57 |
| 无菌水 | 5.87 | 10.49 | 10.81 | 11.20 | 11.29 | 11.47 | 11.65 | 11.77 | 11.90 | 12.17 | |
1.3 数据处理
2 结果与分析
2.1 不同硅剂和pH对甘蔗黑穗病菌孢子萌发的影响
表2 不同浓度Na2SiO3及其对应pH处理的甘蔗黑穗病菌孢子萌发率Tab. 2 Spore germination rate of S. scitamineum under different concentrations of Na2SiO3 and corresponding pH treatments % |
| 时间Time/h | 培养液 Culture medium | 不同Na2SiO3浓度Different concentrations of Na2SiO3/(mmol·L-1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0.5 | 1.0 | 1.7 | 2.0 | 3.5 | 5.0 | 7.0 | 10.0 | 20.0 | ||
| 6 | Na2SiO3溶液 | 77.47±0.37a | 0.00±0.00c | 0.00±0.00c | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b |
| Na2SiO3溶液对 应的pH溶液 | 76.73±0.55a | 56.36±2.44b | 54.23±0.92b | 0.15±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | |
| pH为6.0的 Na2SiO3溶液 | 88.00±9.08a | 80.67±9.99a | 94.22±1.00a | 96.32±0.77a | 94.79±0.18a | 91.99±5.56a | 94.37±0.08a | 89.71±0.34a | 84.68±1.98a | 76.19±6.62a | |
| 12 | Na2SiO3溶液 | 78.63±2.98b | 0.00±0.00c | 0.00±0.00c | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b |
| Na2SiO3溶液 对应pH溶液 | 77.70±1.19b | 58.88±0.71b | 55.95±0.19b | 0.19±0.01b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | |
| pH为6.0的 Na2SiO3溶液 | 96.78±0.93a | 93.40±1.57a | 95.27±0.50a | 97.81±0.34a | 95.07±0.35a | 95.22±2.12a | 97.63±0.32a | 90.88±0.53a | 85.72±2.83a | 78.88±2.58a | |
注:Na2SiO3溶液对应的pH溶液表示针对不同Na2SiO3浓度的pH所设置的不含硅剂的相对应的pH溶液。0~20.0 mmol/L Na2SiO3溶液对应的pH水溶液的pH分别为5.87、10.21、10.60、10.86、10.96、11.17、11.29、11.41、11.52、11.69。pH为6.0的Na2SiO3溶液表示不同浓度Na2SiO3溶液的pH均为6.0。同列不同小写字母表示差异显著(P<0.05)。 | |
Note: The corresponding pH treatment of Na2SiO3 solution means the corresponding pH solution without silicon agent prepared according to the pH value of different Na2SiO3 concentration. The pH value in the corresponding pH mediums of 0-20.0 mmol/L Na2SiO3 solutions is 5.87, 10.21, 10.60, 10.86, 10.96, 11.17, 11.29, 11.41, 11.52 and 11.69, respectively. Na2SiO3 solutions with pH 6.0 mean that the pH values of Na2SiO3 solutions with different concentrations are all 6.0. Different lowercase letters in the same column indicate significant difference (P<0.05). |
表3 不同浓度K2SiO3及其对应pH处理的甘蔗黑穗病菌孢子萌发率Tab. 3 Spore germination rate of S. scitamineum under different concentrations of K2SiO3 and corresponding pH treatments % |
| 时间 Time/h | 培养液 Culture medium | 不同K2SiO3浓度Different concentrations of K2SiO3/(mmol·L-1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0.5 | 1.0 | 1.7 | 2.0 | 3.5 | 5.0 | 7.0 | 10.0 | 20.0 | ||
| 6 | K2SiO3溶液 | 77.47±0.37a | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b |
| K2SiO3溶液对 应的pH溶液 | 76.73±0.55a | 4.88±0.35b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | |
| pH为6.0的K2SiO3溶液 | 88.00±9.08a | 87.79±2.78a | 92.81±1.80a | 86.59±8.49a | 91.22±1.25a | 84.95±1.41a | 82.48±3.66a | 76.25±8.09a | 77.57±4.24a | 81.70±1.87a | |
| 12 | K2SiO3溶液 | 78.63±2.98b | 0.00±0.00c | 0.00±0.00c | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b |
| K2SiO3溶液对 应的pH溶液 | 77.70±1.19b | 22.83±1.25b | 2.88±0.21b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | 0.00±0.00b | |
| pH为6.0的K2SiO3溶液 | 96.78±0.93a | 87.93±1.96a | 93.22±0.86a | 90.97±2.71a | 93.76±0.88a | 92.64±0.84a | 83.28±1.20a | 82.26±1.10a | 84.52±3.71a | 82.11±1.78a | |
注:K2SiO3溶液对应的pH溶液表示针对不同K2SiO3浓度的pH所设置的不含硅剂的相对应的pH溶液。0~20.0 mmol/L K2SiO3溶液对应的pH水溶液的pH分别为5.87、10.49、10.81、11.20、11.29、11.47、11.65、11.77、11.90、12.17。pH为6.0的K2SiO3溶液表示不同浓度K2SiO3溶液的pH均为6.0。同列不同小写字母表示差异显著(P<0.05)。 | |
Note: The corresponding pH treatment of K2SiO3 solution means the corresponding pH solution without silicon agent prepared according to the pH value of different K2SiO3 concentration. The pH value in the corresponding pH mediums of 0-20.0 mmol/L K2SiO3 solutions is 5.87, 10.49, 10.81, 11.20, 11.29, 11.47, 11.65, 11.77, 11.90 and 12.17, respectively. K2SiO3 solutions with pH 6.0 mean that the pH values of K2SiO3 solutions with different concentrations are all 6.0. Different lowercase letters in the same column indicate significant difference (P<0.05). |
2.2 不同硅剂和pH对甘蔗黑穗病菌菌落直径的影响
图1 不同浓度硅剂溶液及其对应pH对甘蔗黑穗病菌菌落直径的影响A:不同浓度Na2SiO3溶液;B:不同浓度Na2SiO3对应pH溶液;C:pH为6.0的不同浓度Na2SiO3溶液;D:不同浓度K2SiO3溶液;E:不同浓度K2SiO3对应pH溶液;F:pH为6.0的不同浓度K2SiO3溶液。Na2SiO3或K2SiO3溶液对应的pH溶液表示针对不同Na2SiO3或K2SiO3浓度的pH所设置的不含硅剂的相对应的pH溶液。pH为6.0的Na2SiO3或K2SiO3溶液表示不同浓度Na2SiO3或K2SiO3溶液的pH均为6.0。 Fig. 1 Effect of different concentrations of silicon solutions and corresponding pH on colony diameter of S. scitamineum A: Different concentrations of Na2SiO3 solutions; B: Corresponding pH solutions of different concentrations of Na2SiO3; C: Different concentrations of Na2SiO3 solutions with pH 6.0; D: Different concentrations of K2SiO3 solutions; E: Corresponding pH solutions of different concentrations of K2SiO3; F: Different concentrations of K2SiO3 solutions with pH 6.0. The corresponding pH treatment of Na2SiO3 or K2SiO3 solution mean the corresponding pH solution without silicon agent prepared according to the pH value of different Na2SiO3 or K2SiO3 concentration. Na2SiO3 or K2SiO3 solutions with pH 6.0 mean that the pH values of Na2SiO3 or K2SiO3 solutions with different concentrations are all 6.0. |
表4 不同浓度Na2SiO3及其对应pH对甘蔗黑穗病菌抑制率的影响Tab. 4 Effect of different concentrations of Na2SiO3 and corresponding pH on the inhibition rate of S. scitamineum% |
| 培养液 Culture medium | 浓度 Concentration /(mmol·L-1) | 培养时间Culture time/d | ||||||
|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 5 | 7 | 10 | 15 | 20 | ||
| Na2SiO3溶液 | 0.5 | 6.28±7.10c | -0.44±6.66c | 0.49±0.64ef | -0.45±2.14d | 0.39±1.66c | -3.11±0.95d | -4.99±1.02c |
| 1.0 | -28.60±5.66e | -13.49±1.52c | -0.76±1.88f | -11.67±2.30e | -24.88±2.75d | -26.98±3.23e | -30.25±3.57d | |
| 1.7 | -21.78±6.53de | 20.72±5.43b | 12.31±2.66d | 3.49±2.85d | 0.65±1.23c | 3.14±0.21cd | 1.35±0.48c | |
| 2.0 | 33.48±8.58ab | 48.86±5.62a | 50.72±2.98a | 38.80±2.23b | 10.28±7.52bc | 5.45±5.62cd | 10.29±2.16b | |
| 3.5 | 38.89±6.83a | 26.27±6.48b | 5.96±1.90def | 0.79±0.60d | 1.49±2.18c | 3.20±3.58cd | -0.17±3.99c | |
| 5.0 | 15.49±1.95bc | 15.79±2.98b | 10.25±1.33de | 3.53±1.90d | -0.11±1.98c | 4.19±1.21cd | 1.04±2.32c | |
| 7.0 | 52.87±6.18a | 48.18±5.47a | 37.81±4.78b | 22.05±4.23c | 8.93±0.25bc | 9.91±2.11bc | 8.83±1.92b | |
| 10.0 | -2.17±7.95cd | 18.24±2.65b | 22.22±4.33c | 15.19±4.71c | 18.53±1.55b | 13.79±0.61b | 14.01±2.91b | |
| 20.0 | 53.30±7.69a | 47.02±3.74a | 54.51±5.30a | 55.64±1.75a | 48.29±2.94a | 36.13±0.84a | 25.69±1.30a | |
| Na2SiO3溶液对应的pH溶液 | 0.5 | -60.64±9.97b | -50.99±2.50cd | -29.26±1.44bc | -22.96±0.13bc | -14.32±2.26b | -8.86±1.16b | -14.79±0.85bc |
| 1.0 | -55.99±2.68b | -64.58±4.26d | -36.51±5.11cd | -23.55±4.71bc | -15.62±0.37b | -14.03±1.01b | -27.09±1.04c | |
| 1.7 | -9.81±4.03a | -37.70±3.16c | -19.06±2.53b | -19.18±0.69bc | -16.91±1.51b | -13.08±0.94b | -19.79±1.03c | |
| 2.0 | -47.00±3.25b | -50.15±5.18cd | -36.92±3.92cd | -31.33±4.03c | -21.28±1.32b | -9.82±0.33b | -17.33±1.45bc | |
| 3.5 | -52.58±16.65b | -46.73±4.49cd | -42.70±3.69d | -30.62±1.47c | -11.86±12.65ab | -14.16±0.44b | -18.22±2.73bc | |
| 5.0 | -70.25±15.57b | 1.82±5.59ab | -22.88±2.53b | -16.97±8.15b | -5.68±1.62ab | -13.55±2.42b | -19.51±5.90bc | |
| 7.0 | -44.94±4.74b | -31.74±11.12c | -19.01±6.33b | -12.87±2.32b | -16.63±6.46b | -12.54±8.33b | -15.65±8.51bc | |
| 10.0 | -15.50±0.99a | -9.91±1.19b | -19.79±2.42b | -17.97±3.34b | -5.31±5.28ab | 0.95±1.31a | -1.10±2.61a | |
| 20.0 | -8.57±6.28a | 11.92±0.92a | 10.74±2.90a | 5.21±1.26a | 3.37±4.35a | 4.72±2.35a | -6.49±3.52ab | |
| pH为6.0的 Na2SiO3溶液 | 0.5 | 1.00±4.13a | -1.81±3.24b | 19.42±1.21a | 11.98±2.80ab | 6.78±4.40a | -0.14±2.15ab | -7.43±2.22cd |
| 1.0 | 10.49±2.13a | 7.14±2.27ab | 24.88±2.18a | 18.20±3.40a | 12.58±5.69a | -2.10±5.93bc | -8.92±4.23cde | |
| 1.7 | 3.16±7.47a | -5.28±5.43b | 15.42±6.66a | -9.11±4.48c | -14.20±2.13b | -21.71±1.82d | -16.80±2.88e | |
| 2.0 | -1.85±0.46ab | 3.72±5.42ab | 19.87±1.95a | 5.52±2.70b | 2.41±5.69a | -10.04±1.40c | -10.80±2.89de | |
| 3.5 | 0.77±0.15a | 16.98±1.92a | 24.18±0.53a | 4.79±2.52b | 5.30±2.59a | 5.21±0.43ab | -1.81±1.58bc | |
| 5.0 | 5.56±6.37a | 6.83±5.90ab | 19.20±2.88a | 5.97±4.72b | 7.23±3.82a | 1.22±3.55ab | 2.21±4.41b | |
| 7.0 | -4.78±5.94ab | -7.39±1.62b | 15.35±1.92a | 3.96±1.52b | 12.10±2.41a | 8.23±1.89a | 10.90±1.02a | |
| 10.0 | -23.61±13.20b | -9.30±10.56b | 14.15±5.12a | 3.12±1.64b | 4.53±3.98a | 0.85±1.66ab | -3.46±1.83bcd | |
| 20.0 | -11.81±12.64ab | -6.53±7.08b | 13.88±6.50a | 10.19±3.22ab | 11.09±0.81a | 4.39±0.72ab | -0.83±1.04bc | |
注:Na2SiO3溶液对应的pH溶液表示针对不同Na2SiO3浓度的pH所设置的不含硅剂的相对应的pH溶液。0~20.0 mmol/L Na2SiO3溶液对应pH培养基的pH分别为5.66、6.35、7.06、7.69、7.80、8.90、9.27、9.65、10.06、10.91。pH为6.0的Na2SiO3溶液表示不同浓度Na2SiO3溶液的pH均为6.0。同列不同小写字母表示差异显著(P<0.05)。 | |
Note: The corresponding pH treatment of Na2SiO3 solution means the corresponding pH solution without silicon agent prepared according to the pH value of different Na2SiO3 concentration. The pH value in the corresponding pH mediums of 0-20.0 mmol/L Na2SiO3 solutions is 5.66, 6.35, 7.06, 7.69, 7.80, 8.90, 9.27, 9.65, 10.06 and 10.91, respectively. Na2SiO3 solutions with pH 6.0 mean that the pH values of Na2SiO3 solutions with different concentrations are all 6.0. Different lowercase letters in the same column indicate significant difference (P<0.05). |
表5 不同浓度K2SiO3及其对应pH对甘蔗黑穗病菌抑制率的影响Tab. 5 Effect of different concentrations of K2SiO3 and corresponding pH on the inhibition rate of S. scitamineum% |
| 培养液 Culture medium | 浓度 Concentration /(mmol·L-1) | 培养时间Culture time/d | ||||||
|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 5 | 7 | 10 | 15 | 20 | ||
| K2SiO3溶液 | 0.5 | 4.09±7.50e | 1.84±6.97f | -0.83±5.10f | -0.48±1.79def | -0.39±1.55cd | -4.10±2.10bc | -7.78±1.65c |
| 1.0 | 13.65±1.37de | 13.46±6.69def | -4.89±2.61f | -7.10±0.42f | -8.05±0.53d | -7.41±0.90c | -3.08±2.15c | |
| 1.7 | 12.79±5.79de | 16.72±3.57de | 4.42±1.73ef | 1.95±2.22de | 2.11±2.67cd | -2.06±2.40bc | -1.88±1.69c | |
| 2.0 | 19.95±4.46cd | 9.01±3.50ef | -2.05±0.42f | -4.18±2.04ef | -3.72±1.44cd | -3.19±1.77bc | -4.83±1.34c | |
| 3.5 | 15.53±1.83de | 14.75±5.56def | 13.02±4.66de | 11.49±0.32c | 4.97±1.20bc | 0.74±1.88bc | -5.63±1.15c | |
| 5.0 | 17.40±4.33de | 26.92±2.15cd | 18.49±2.35d | 5.00±1.84d | 1.92±1.78cd | -0.19±0.98bc | -4.87±0.48c | |
| 7.0 | 33.08±7.12c | 40.22±5.00c | 32.97±3.48c | 20.14±2.09b | 13.10±2.98b | 2.56±4.57b | -1.61±2.87c | |
| 10.0 | 61.44±3.04b | 65.59±1.70b | 48.46±3.02b | 45.4±3.27a | 29.75±5.73a | 23.28±4.10a | 17.14±2.48b | |
| 20.0 | 76.87±2.09a | 85.57±0.48a | 60.65±5.06a | 39.66±3.43a | 25.53±5.96a | 21.93±1.89a | 28.87±1.92a | |
| K2SiO3溶液对应的pH溶液 | 0.5 | -15.11±3.34d | -2.60±3.49e | -4.64±0.85ef | -13.89±2.00c | -17.81±1.03bc | -14.64±2.59cd | -11.08±1.61bcd |
| 1.0 | 5.54±5.00bc | 2.64±3.19e | 6.08±2.25cd | 0.69±3.49b | -4.18±0.96b | -3.32±7.55bc | -6.12±1.34bc | |
| 1.7 | -10.02±2.82cd | 1.95±6.75e | -9.22±1.76f | -28.57±3.43d | -37.03±6.48d | -32.64±7.14e | -27.78±6.02e | |
| 2.0 | -9.53±3.03cd | 34.59±7.10bc | 15.80±3.88b | 2.58±5.46b | -4.58±0.75b | -13.53±5.58cd | -17.72±1.94de | |
| 3.5 | -1.14±1.45cd | 45.20±1.27b | 42.91±0.92a | 28.81±5.94a | 14.26±11.47a | 3.11±6.29ab | 7.37±1.42a | |
| 5.0 | -15.33±10.15d | 22.91±6.95cd | 0.20±4.57de | -12.93±4.64c | -11.66±1.54bc | -10.74±2.10bcd | -8.92±1.40bcd | |
| 7.0 | -53.95±7.58e | 9.50±3.34de | 10.80±1.56bc | -21.31±5.23cd | -21.86±2.86c | -24.44±2.83de | -16.43±5.07cd | |
| 10.0 | 26.54±3.73a | 43.57±1.36b | 17.26±1.98b | 0.75±4.65b | -9.26±4.80bc | -7.36±2.47bc | -3.71±3.04b | |
| 20.0 | 19.95±9.06ab | 58.93±2.59a | 43.69±2.03a | 38.50±2.95a | 21.60±3.45a | 15.80±4.16a | 12.27±1.92a | |
| pH为6.0的K2SiO3溶液 | 0.5 | 11.78±5.64b | -0.17±10.78a | 5.59±11.01ab | -11.99±10.37bc | 6.65±7.64ab | -10.69±5.72b | -9.45±2.99ab |
| 1.0 | 33.62±3.24ab | -3.93±33.21a | -0.60±11.06b | -8.10±7.51abc | 5.64±8.70ab | 0.79±9.04ab | -2.23±8.49ab | |
| 1.7 | 30.11±11.19ab | 22.12±4.13a | 9.84±6.38ab | 0.16±11.39abc | 12.72±8.42ab | -1.61±0.62ab | -4.29±3.61ab | |
| 2.0 | 11.93±18.16b | -17.73±19.66a | -19.58±19.28b | -22.76±18.82c | -0.03±3.78b | -8.13±3.06b | -13.76±2.51b | |
| 3.5 | 18.80±2.74b | 23.95±15.06a | 7.16±13.93ab | -7.25±7.67abc | 1.58±1.97b | -0.41±1.23ab | -3.52±4.22ab | |
| 5.0 | 14.90±11.31b | 2.54±12.19a | -2.28±3.12b | -8.12±7.58abc | 2.09±6.15b | -10.20±6.24b | -1.69±5.15ab | |
| 7.0 | 42.04±14.32ab | 27.38±20.71a | 11.71±4.97ab | -3.51±2.87abc | 12.44±4.39ab | -9.71±3.36b | -14.88±2.17b | |
| 10.0 | 8.03±9.10b | -14.38±2.21a | 12.52±9.57ab | 7.85±5.69ab | 12.33±5.92ab | -1.76±2.55ab | 4.20±5.96a | |
| 20.0 | 52.26±1.35a | 37.00±2.57a | 33.17±4.18a | 18.75±3.90a | 26.13±4.39a | 12.20±4.09a | 2.49±3.60ab | |
注:K2SiO3溶液对应的pH溶液表示针对不同K2SiO3浓度的pH所设置的不含硅剂的相对应的pH溶液。0~20.0 mmol/L K2SiO3溶液对应pH培养基的pH分别为5.66、6.66、7.22、7.93、8.41、9.40、9.92、10.32、10.76、11.57。pH为6.0的K2SiO3溶液表示不同浓度K2SiO3溶液的pH均为6.0。同列不同小写字母表示差异显著(P<0.05)。 | |
Note: The corresponding pH treatment of K2SiO3 solution mean the corresponding pH solution without silicon agent prepared according to the pH value of different K2SiO3 concentration. The pH value in the corresponding pH mediums of 0-20.0 mmol/L K2SiO3 solutions is 5.66, 6.66, 7.22, 7.93, 8.41, 9.40, 9.92, 10.32, 10.76, and 11.57, respectively. K2SiO3 solutions with pH 6.0 mean that the pH values of K2SiO3 solutions with different concentrations are all 6.0. Different lowercase letters in the same column indicate significant difference (P<0.05). |
2.3 不同硅剂和pH对甘蔗黑穗病菌菌丝生长的影响
图2 不同硅剂溶液及其对应pH处理对甘蔗黑穗病菌菌丝生长的影响A:不同浓度Na2SiO3溶液;B:不同浓度Na2SiO3对应pH溶液;C:pH为6.0的不同浓度Na2SiO3溶液;D:不同浓度K2SiO3溶液;E:不同浓度K2SiO3对应pH溶液;F:pH为6.0的不同浓度K2SiO3溶液。硅剂溶液对应的pH溶液表示针对不同硅剂浓度的pH所设置的不含硅剂的相对应的pH溶液。pH为6.0的硅剂溶液表示不同浓度硅剂溶液的pH均为6.0。 Fig. 2 Effect of different silicon solutions and corresponding pH treatments on mycelial growth of S. scitamineum A: Different concentrations of Na2SiO3 solutions; B: Corresponding pH solutions of different concentrations of Na2SiO3; C: Different concentrations of Na2SiO3 solutions with pH 6.0; D: Different concentrations of K2SiO3 solutions; E: Corresponding pH solutions of different concentrations of K2SiO3; F: Different concentrations of K2SiO3 solutions with pH 6.0. The corresponding pH treatment of silicon solution means the corresponding pH solution without silicon agent prepared according to the pH value of different silicon concentration. Silicon solutions with pH 6.0 mean that the pH values of silicon solutions with different concentrations are all 6.0. |
