1 材料与方法
1.1 材料
1.2 方法
1.3 数据处理
2 结果与分析
2.1 蔗汁氮、磷、钾元素含量
表1 蔗汁的N、P、K含量差异分析Tab. 1 Differences of N, P and K content |
| 项目Items | 品种/蔗区Variety/Area | 元素Element/(mg·L-1) | |||
|---|---|---|---|---|---|
| N | P | K | |||
| 同一品种在不同 蔗区的差异 | Badila | 玉林 | 594.0±73.4bc | 90.6±26.3ab | 595.0±97.9c |
| 南宁 | 1121.6±97. 8a | 127.2±12.1a | 1198.6±35.4b | ||
| 柳州 | 440.5±16.5cd | 50.4±4.0c | 783.0±50.5c | ||
| 梧州 | 857.6±138.3ab | 102.2±11.8ab | 1159.4±78.3b | ||
| 白沙 | 779.6±128.7b | 64.1±5.8bc | 1405.9±47.9a | ||
| 海口 | 353.9±37.1cd | 94.6±9.2ab | 395.3±13.3d | ||
| 澄迈 | 170.8±68.6d | 77.1±2.3bc | 629.5±84.1c | ||
| 平均 | 616.9 | 86.6 | 881.0 | ||
| 粤糖74-474 | 湛江 | 321.7±55.1bc | 123.4±21.3c | 1136.3±120.2ab | |
| 茂名 | 391.0±72.0b | 250.9±27.1a | 1043.0±92.5bc | ||
| 元江 | 297.0±16.2bc | 118.4±5.2c | 1318.5±72.8a | ||
| 西双版纳 | 660.8±9.8a | 198.1±16.6a | 859.5±89.5cd | ||
| 海口 | 222.7±16.2c | 62.2±5.7d | 734.5±62.0d | ||
| 澄迈 | 371.2±35.4b | 54.7±8.6d | 1101.0±61.2abc | ||
| 平均 | 377.4 | 134.6 | 1032.1 | ||
| 2个品种在同一 蔗区的差异 | 海口 | Badila | 353.9±18.7** | 94.6±5.52** | 395.3±35.1 |
| 粤糖74-474 | 222.7±29.7 | 62.2±4.28 | 734.5±1.5** | ||
| 澄迈 | Badila | 170.8±37.1 | 77.1±5.06** | 629.5±58.5 | |
| 粤糖74-474 | 371.2±51.4** | 54.7±1.87 | 1101.0±121.2** | ||
| 2个品种在整体 区域内的差异 | 整体区域 | Badila | 791.4±392.7** | 88.2±28.48 | 774.6±325.2 |
| 粤糖74-474 | 377.4±146.6 | 134.6±73.88** | 1032.1±214.7** | ||
注:采用单因素方差分析和两样本t-检验;同一列内不同小写字母表示在0.05水平差异显著(P<0.05);* 表示在0.05水平差异显著(P<0.05),** 表示在0.01水平差异显著(P<0.01)。 | |
Note: ANOVA-One way-Tukey and student t-test; In a same column different lowercase letters indicate significant difference at P<0.05; * indicates significant difference at the level of 0.05 (P<0.05), ** indicates difference is significant at the level of 0.01 (P<0.01). |
2.2 蔗汁中、微量元素含量
表2 蔗汁中、微量元素含量差异分析Tab. 2 Differences of medium trace element content of the same sugarcane variety in different areas |
| 项目 Items | 品种/蔗区 Variety/Area | 元素 Element/(mg·L-1) | ||||||
|---|---|---|---|---|---|---|---|---|
| Ca | Mg | Fe | Zn | Mn | Cu | |||
| 同一品种在不同蔗区的差异 | Badila | 柳州 | 235.3±15.3a | 74.0±3.0a | 8.44±1.3b | 1.05±0.2b | 1.7±0.3c | 0.44±0.1b |
| 白沙 | 173.0±29.7b | 73.0±0.6a | 12.48±1.1a | 1.93±0.2 a | 3.4±0.3b | 0.86±0.2a | ||
| 海口 | 166.0±10.0b | 74.0±2.7a | 8.85±0.4b | 1.43±0.2ab | 3.1±0.3b | 0.46±0.1b | ||
| 澄迈 | 158.5±10.2b | 61.5±1.9b | 9.22±0.5b | 1.75±0.1a | 4.6±0.2a | 0.95±0.2a | ||
| 平均 | 183.2 | 70.2 | 9.70 | 1.50 | 3.2 | 0.70 | ||
| 粤糖74-474 | 茂名 | 148.3±3.8a | 47.0±8.9c | 7.26±1.2b | 1.06±0.2b | 4.9±0.4b | 0.45±0.0b | |
| 海口 | 137.0±4.7a | 114.5±5.9b | 14.40±1.3a | 2.35±0.3a | 6.3±0.5a | 1.28±0.1a | ||
| 澄迈 | 135.3±8.1a | 145.7±4.3a | 9.45±0.6b | 1.31±0.1b | 3.9±0.1b | 1.36±0.1a | ||
| 平均 | 140.2 | 102.4 | 10.40 | 1.60 | 5.0 | 1.00 | ||
| 2个品种在同一蔗区的差异 | 海口 | Badila | 166.0±14.7* | 74.0±3.5 | 10.51±1.3 | 1.43±0.1 | 3.1±0.7 | 0.46±0.0 |
| 粤糖74-474 | 137.0±7.0 | 114.5±5.5** | 14.60±2.2 | 2.35±0.3** | 6.3±0.5** | 1.28±0.1** | ||
| 澄迈 | Badila | 158.5±2.5** | 61.5±0.5 | 9.22±0.9 | 1.75±0.1** | 4.6±0.3 | 0.95±03.1 | |
| 粤糖74-474 | 135.3±8.0 | 145.7±9.9** | 9.45±1.8 | 1.31±0.1 | 3.9±0.3 | 1.36±0.1* | ||
| 2个品种在整体区域内的差异 | 整体区域 | Badila | 186.6±37.8** | 67.8±7.2 | 8.84±1.1 | 1.41±0.3 | 3.1±1.3 | 0.62±0.3 |
| 粤糖74-474 | 140.2±14.7 | 130.1±18.5** | 11.27±5.3 | 1.57±0.6 | 5.1±1.3** | 1.03±0.4* | ||
注:采用单因素方差分析和两样本t-检验;同一列内不同小写字母表示在0.05水平差异显著(P<0.05);* 表示在0.05水平差异显著(P<0.05),** 表示在0.01水平差异显著(P<0.01)。 | |
Note: ANOVA-One way-Tukey and student t-test; In a same column different lowercase letters indicate significant difference at P<0.05; * indicates significant difference at the level of 0.05 (P<0.05), ** indicates difference is significant at the level of 0.01 (P<0.01). |
2.3 果蔗品质差异分析
表3 果蔗品质差异Tab. 3 Quality differences of the same sugarcane variety in different areas |
| 项目 Items | 品种/蔗区 Variety/Area | 品质指标 Quality index | ||||||
|---|---|---|---|---|---|---|---|---|
| 糖度 SC/% | 还原糖分 Reducing sugar/% | 纤维分 Fiber/% | 简纯度 AP/% | 水分含量 Water content/% | 出汁率 Juice yield/% | |||
| 同一品种在不同 蔗区的差异 | Badila | 柳州 | 7.76±0.34b | 2.41±0.25ab | 6.7±0.8a | 62.1±4.5b | 84.3±2.3a | 65.8±4.9a |
| 白沙 | 9.6±0.3a | 2.0±0.2b | 5.6±0.3ab | 72.9±2.0a | 82.8±0.7a | 61.2±4.1a | ||
| 海口 | 7.5±0.3b | 2.6±0.3ab | 4.9±0.2b | 64.4±0.5ab | 85.0±1.4a | 61.5±1.2a | ||
| 澄迈 | 7.8±0.1b | 3.0±0.2a | 7.1±0.4a | 63.8±2.3b | 82.1±0.6a | 60.9±0.7a | ||
| 平均 | 8.2 | 2.5 | 6.1 | 65.8 | 83.6 | 62.4 | ||
| 粤糖74-474 | 茂名 | 6.0±0.7a | 2.3±0.2ab | 7.1±0.6a | 58.4±0.3b | 84.6±1.1a | 71.8±2.5a | |
| 海口 | 5.5±0.5a | 2.8±0.1a | 5.5±0.4b | 54.2±0.7c | 86.2±0.8a | 63.5±0.4a | ||
| 澄迈 | 6.8±0.3a | 2.1±0.2b | 5.6±0.2ab | 64.4±0.9a | 85.5±0.4a | 68.0±2.1a | ||
| 平均 | 6.1 | 2.4 | 6.1 | 59.0 | 85.4 | 67.8 | ||
| 2个品种在同一 蔗区的差异 | 海口 | Badila | 7.5±0.4* | 2.6±0.5 | 4.9±0.5 | 64.4±2.7 * | 85.0±0.6 | 61.5±2.7 |
| 粤糖74-474 | 5.5±0.0 | 2.8±0.0 | 5.5±0.1 | 54.2±0.4 | 86.2±0.0 | 63.5±0.0 | ||
| 澄迈 | Badila | 7.8±0.0 * | 3.0±0.1** | 7.1±0.3** | 63.8±0.7 | 82.1±0.8 | 60.9±1.9 | |
| 粤糖74-474 | 6.8±0.4 | 2.1±0.2 | 5.6±0.1 | 64.4±1.6 | 85.5±0.6 ** | 68.0±1.7** | ||
| 2个品种在整体区域内的差异 | 整体区域 | Badila | 7.7±0.3** | 2.7±0.5 | 6.2±1.2 | 63.4±3.9* | 83.79±2.0 | 62.7±4.6 |
| 粤糖74-474 | 6.1±0.8 | 2.4±0.4 | 6.1±1.0 | 59.0±4.6 | 85.46±1.2* | 67.8±4.0* | ||
注:采用单因素方差分析和两样本t-检验;同一列内不同小写字母表示在0.05水平差异显著(P<0.05);* 表示在0.05水平差异显著(P<0.05),** 表示在0.01水平差异显著(P<0.01)。 | |
Note: ANOVA-One way-Tukey and student t-test; In a same column different lowerase letters indicate significant difference at P<0.05; * indicates significant difference at the level of 0.05 (P<0.05), ** indicates difference is significant at the level of 0.01 (P<0.01). |
2.4 果蔗元素含量及品质指标之间的相关性分析
表4 果蔗元素含量及品质指标之间的相关性分析Tab. 4 Correlation analysis of element content and quality indexes |
| 项目 Items | N /(mg·kg-1) | P /(mg·kg-1) | K /(mg·kg-1) | Ca /(mg·kg-1) | Mg /(mg·kg-1) | Fe /(mg·kg-1) | Zn /(mg·kg-1) | Mn /(mg·kg-1) | Cu /(mg·kg-1) | FC /% | SC /% | RS /% | AP /% | WC /% | JY /% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N/(mg·kg-1) | 1 | ||||||||||||||
| P/(mg·kg-1) | -0.036 | 1 | |||||||||||||
| K/(mg·kg-1) | 0.703** | 0.090 | 1 | ||||||||||||
| Ca/(mg·kg-1) | 0.327 | -0.237 | 0.005 | 1 | |||||||||||
| Mg/(mg·kg-1) | -0.132 | -0.524* | 0.097 | -0.345 | 1 | ||||||||||
| Fe/(mg·kg-1) | 0.031 | -0.406 | 0.008 | -0.349 | 0.302 | 1 | |||||||||
| Zn/(mg·kg-1) | -0.066 | -0.413 | -0.003 | -0.391 | 0.216 | 0.717** | 1 | ||||||||
| Mn/(mg·kg-1) | -0.429 | 0.262 | -0.007 | -0.772** | 0.174 | 0.398 | 0.609** | 1 | |||||||
| Cu/(mg·kg-1) | -0.183 | -0.444* | 0.275 | -0.482* | 0.767** | 0.402 | 0.534* | 0.499* | 1 | ||||||
| FC/% | -0.113 | 0.342 | 0.172 | 0.223 | -0.496* | -0.479* | -0.326 | -0.034 | -0.181 | 1 | |||||
| SC/% | 0.633** | -0.408 | 0.341 | 0.453* | -0.316 | 0.044 | 0.053 | -0.552** | -0.201 | 0.002 | 1 | ||||
| RS/% | -0.609** | -0.072 | -0.622** | -0.072 | -0.093 | 0.041 | 0.180 | 0.141 | 0.115 | 0.215 | -0.343 | 1 | |||
| AP/% | 0.632** | -0.262 | 0.379 | 0.125 | -0.133 | 0.083 | -0.065 | -0.481* | -0.105 | -0.096 | 0.819** | -0.341 | 1 | ||
| WC/% | -0.238 | 0.076 | -0.222 | -0.251 | 0.522* | 0.108 | 0.058 | 0.244 | 0.141 | -0.612** | -0.656** | -0.088 | -0.588** | 1 | |
| JY/% | -0.024 | 0.490* | 0.226 | -0.140 | 0.053 | -0.412 | -0.455* | 0.094 | -0.080 | 0.448* | -0.466* | -0.178 | -0.395 | 0.180 | 1 |
注:* 表示在0.05水平(双尾)相关性显著,** 表示在0.01水平(双尾)相关性显著,n = 39;元素含量、糖度、还原糖分、简纯度取自蔗汁;纤维分含量(FC)、糖度(SC)、还原糖分(RS)、简纯度(AP)、水分含量(WC)、出汁率(JY)。 | |
Note: * indicates correlation is significant at the 0.05 level (2-tailed), ** indicates correlation is significant at the 0.01 level (2-tailed), n =39; Element content, sucrose content, reduced sugar and apparent purity comes from cane juice; Fiber content (FC), sucrose content (SC), reduced sugar (RS), apparent purity (AP), water content (WC), juice yield (JY). |
