1 材料与方法
1.1 材料
1.2 方法
1.2.1 试验设计
1.2.2 指标观测
1.3 数据处理
2 结果与分析
2.1 不同机插水稻品种秧苗素质的比较
表1 不同品种机插水稻秧苗素质比较Tab. 1 Comparison of seedling quality of different varieties for machine transplanting |
| 样品 Sample | 叶龄 Leaf age | 绿叶数 Green leaves | 苗高 Seedling height/cm | 白根数 White root number | 总根数 Total root number | 茎基宽 Stem base width/mm | 百株鲜重 100-seedling Fresh weight/g | 秧苗含水率 Seedling moisture content/% |
|---|---|---|---|---|---|---|---|---|
| V1 | 3.56±0.05a | 2.97±0.033a | 13.05±0.10cd | 5.63±0.39a | 11.57±0.45ab | 2.70±0.0a | 1.60±0.04def | 78.73±0.62e |
| V2 | 2.87±0.05f | 2.30±0.09cd | 12.65±0.15d | 2.50±0.17cd | 12.20±2.64a | 2.33±0.07b | 1.40±0.05gh | 80.22±1.36de |
| V3 | 3.04±0.05e | 2.40±0.099bc | 13.87±0.14b | 5.37±0.31a | 9.10±0.40bcd | 2.73±0.03a | 1.64±0.10cde | 82.38±0.96abcd |
| V4 | 3.35±0.06bc | 2.87±0.06a | 11.27±0.16e | 2.53±0.20cd | 9.47±0.42bcd | 2.30±0.10b | 1.68±0.10bcde | 81.23±2.16cde |
| V5 | 3.60±0.07a | 2.93±0.05a | 14.84±0.18a | 4.33±0.28b | 10.13±0.34abcd | 2.73±0.03a | 2.17±0.06a | 81.88±0.87bcde |
| V6 | 3.55±0.06a | 2.93±0.07a | 11.79±0.20e | 2.37±0.21de | 9.33±0.38bcd | 2.33±0.15b | 1.81±0.02bc | 85.58±0.26a |
| V7 | 3.15±0.05de | 2.53±0.09b | 13.14±0.22cd | 4.00±0.32b | 10.77±0.65abc | 2.27±0.07b | 1.77±0.06bcd | 83.30±1.11abcd |
| V8 | 2.85±0.06f | 2.20±0.07d | 14.35±0.25ab | 2.60±0.22cd | 10.27±0.50abcd | 2.53±0.18ab | 1.63±0.06cdef | 81.13±0.90cde |
| V9 | 3.41±0.05b | 2.97±0.03a | 9.62±0.17g | 2.43±0.18cde | 10.83±0.38abc | 2.47±0.12ab | 1.43±0.01fgh | 85.33±0.34ab |
| V10 | 3.35±0.06bc | 2.87±0.06a | 10.62±0.16f | 1.67±0.14e | 9.07±0.47bcd | 2.50±0.21ab | 1.31±0.00h | 84.62±1.25abc |
| V11 | 3.24±0.03cd | 3.00±0.00a | 13.16±0.22cd | 2.13±0.20de | 9.83±0.38abcd | 2.57±0.13ab | 1.27±0.06h | 79.93±1.14de |
| V12 | 3.05±0.04e | 2.43±0.09bc | 13.27±0.151c | 3.20±0.36c | 8.97±0.27bcd | 2.40±0.06ab | 1.53±0.07efg | 79.80±1.35de |
| V13 | 2.89±0.04f | 2.17±0.07d | 12.92±0.26cd | 2.50±0.21cd | 7.83±0.36d | 2.70±0.06a | 1.65±0.02cde | 81.50±0.53cde |
| V14 | 3.21±0.04cd | 2.83±0.07a | 11.57±0.17e | 1.93±0.14de | 8.43±0.35cd | 2.33±0.09b | 1.61±0.07cdef | 83.40±1.09abcd |
| V15 | 3.24±0.04cd | 2.80±0.07a | 12.83±0.21cd | 3.90±0.27b | 9.73±0.33abcd | 2.33±0.03b | 1.85±0.07b | 81.76±0.73cde |
注:不同小写字母表示处理间差异显著(P<0.05)。 | |
Note: Different lowercase letters indicate significant difference among treatments (P<0.05). |
2.2 不同机插水稻品种分蘖动态的比较
2.3 不同机插水稻品种地上部各器官养分的积累
2.4 不同机插水稻品种产量与产量构成的影响
表2 不同机插水稻品种产量与产量构成因素比较Tab. 2 Comparison of yield and yield components of different varieties for machine transplanting |
| 样品 Sample | X1 | X2 | X3 | X4 | X5 | X6 |
|---|---|---|---|---|---|---|
| V1 | 90.60±2.31b | 7.85±0.61cde | 111.64±2.91bc | 66.73±1.14ef | 28.53±0.26a | 6174.75±91.62d |
| V2 | 82.90±1.17cd | 11.80±0.69a | 88.49±1.06hi | 77.71±1.36b | 26.83±0.29cd | 7930.62±263.34a |
| V3 | 75.40±1.44e | 10.05±0.64abc | 90.31±1.79ghi | 73.01±1.85cd | 27.02±0.26bc | 6506.44±140.19cd |
| V4 | 81.70±0.85cd | 7.55±0.78de | 113.94±3.31b | 78.97±1.59b | 25.25±0.12ef | 6481.40±175.43cd |
| V5 | 79.60±2.15d | 8.75±0.64bcde | 104.01±2.60de | 69.20±1.53def | 25.97±0.14de | 6153.74±195.4d |
| V6 | 73.90±0.40ef | 9.20±0.72bcde | 95.80±0.65fg | 73.07±1.55cd | 24.68±0.19f | 6022.75±151.87d |
| V7 | 70.00±0.74fg | 9.05±0.70bcde | 106.92±3.98cd | 70.23±1.42de | 25.95±0.31de | 6716.35±155.1c |
| V8 | 69.30±1.89g | 9.50±0.74bcde | 94.66±2.54fgh | 67.45±0.87ef | 25.48±0.29ef | 5998.23±107.03d |
| V9 | 62.94±0.82h | 9.70±0.68abcd | 91.36±2.34ghi | 86.04±0.68a | 22.02±0.49g | 6110.99±229.21d |
| V10 | 68.30±1.43g | 11.90±0.93a | 86.65±0.80i | 75.80±1.96bc | 22.62±0.20g | 6432.5±186.24cd |
| V11 | 81.80±1.49cd | 10.00±0.61abc | 108.66±2.30bcd | 72.85±1.65cd | 25.27±0.33ef | 7661.63±82.14ab |
| V12 | 97.96±0.83a | 8.80±0.70bcde | 100.03±1.63ef | 64.98±1.14f | 27.92±0.25ab | 6132.42±39.57d |
| V13 | 92.00±1.48b | 7.15±0.57e | 122.91±1.89a | 72.65±0.96cd | 27.16±0.42bc | 8062.82±80.12a |
| V14 | 74.80±1.23e | 9.25±0.92bcde | 122.33±1.02a | 69.36±1.62def | 25.31±0.24ef | 7223.96±145.71b |
| V15 | 84.80±1.85c | 10.40±0.81ab | 96.78±1.72fg | 72.53±1.50cd | 25.97±0.47de | 7945.75±129.69a |
注:同列数据后不同小写字母表示处理间差异显著(P<0.05)。 | |
Note: Different lowercase letters after the same column of data indicate significant difference (P<0.05). |
表3 不同机插水稻品种产量与生产效率比较Tab. 3 Comparison of output and production efficiency of different varieties for machine transplanting |
| 样品Sample | 实际产量Actual output/(kg•hm‒2) | 地上部总干物质量ANPP/(kg·hm‒2) | 收获指数HI | 氮素收获指数NHI |
|---|---|---|---|---|
| V1 | 5779.76±195.67cd | 9342.3±132.55de | 0.62±0.02bcde | 0.79±0.01bcde |
| V2 | 6180.04±262.08bc | 1 2028.09±349.93a | 0.51±0.02f | 0.81±0.00abc |
| V3 | 6216.94±191.59bc | 8877.9±348.64e | 0.71±0.04ab | 0.80±0.01bcd |
| V4 | 5347.16±199.8de | 10 013.49±268.9bcd | 0.54±0.03ef | 0.79±0.01bcde |
| V5 | 5903.02±256.79bcd | 9001.52±243.33e | 0.66±0.04abcd | 0.82±0.00ab |
| V6 | 5998.72±191.05bcd | 8944.58±277.21e | 0.67±0.03abc | 0.77±0.01de |
| V7 | 6579.45±158.19b | 8986.19±179.56e | 0.73±0.02a | 0.84±0.02a |
| V8 | 5906.56±176.89bcd | 8914.87±162.15e | 0.66±0.02abcd | 0.81±0.00abc |
| V9 | 4991.9±144.06e | 8740.18±198.72e | 0.57±0.02def | 0.79±0.00bcde |
| V10 | 6065.81±311.43bcd | 10 343.21±424.99bc | 0.59±0.02cdef | 0.81±0.02abc |
| V11 | 7488.88±281.98a | 11 657.66±434.37a | 0.65±0.03abcd | 0.79±0.01cde |
| V12 | 6156.54±240.69bc | 9935.07±267.52bcd | 0.62±0.04bcde | 0.76±0.01e |
| V13 | 6101.4±259.14bc | 10512±152.02b | 0.58±0.02cdef | 0.76±0.01e |
| V14 | 6638.64±233.93b | 9507.13±300.72cde | 0.70±0.04ab | 0.83±0.01a |
| V15 | 7873.01±302.44a | 11 469.22±269.67a | 0.69±0.03ab | 0.78±0.01cde |
注:同列数据后不同小写字母表示处理间差异显著(P<0.05)。 | |
Note: Different lowercase letters after the same column of data indicate significant difference (P<0.05). |
2.5 不同机插水稻品种养分积累量与子粒产量的相关性
表4 不同机插水稻品种养分积累量与子粒产量的相关性Tab. 4 Correlation between nutrient accumulation and grain yield of different varieties for machine transplanting |
| 项目Item | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
|---|---|---|---|---|---|---|---|---|---|
| X1 | 1 | ‒0.42 | 0.41 | ‒0.47 | 0.80** | 0.34 | 0.04 | 0.26 | 0.22 |
| X2 | 1 | ‒0.76** | 0.28 | ‒0.40 | 0.18 | 0.62* | 0.41 | 0.50* | |
| X3 | 1 | ‒0.31 | 0.35 | 0.29 | ‒0.36 | ‒0.19 | ‒0.24 | ||
| X4 | 1 | ‒0.68** | 0.12 | 0.31 | 0.22 | 0.13 | |||
| X5 | 1 | 0.20 | ‒0.19 | ‒0.11 | ‒0.02 | ||||
| X6 | 1 | 0.45 | 0.42 | 0.45 | |||||
| X7 | 1 | 0.87** | 0.93** | ||||||
| X8 | 1 | 0.90** | |||||||
| X9 | 1 |
注:*表示显著相关(P<0.05),**表示极显著相关(P<0.01)。 | |
Note: * indicates significant correlation (P<0.05), ** indicates extremely significant correlation (P<0.01). |
2.6 不同机插水稻品种养分与产量关联度分析
表5 参试品种的等权关联度大小及排序Tab. 5 Size and order of equal weighted correlation degree of the tested varieties |
| 项目Item | V1 | V2 | V3 | V4 | V5 | V6 | V7 | V8 | V9 | V10 | V11 | V12 | V13 | V14 | V15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X1 | 0.78 | 0.63 | 0.53 | 0.61 | 0.58 | 0.51 | 0.48 | 0.47 | 0.42 | 0.46 | 0.61 | 1.00 | 0.81 | 0.52 | 0.66 |
| X2 | 0.43 | 0.97 | 0.63 | 0.42 | 0.50 | 0.53 | 0.52 | 0.56 | 0.59 | 1.00 | 0.62 | 0.50 | 0.40 | 0.54 | 0.67 |
| X3 | 0.74 | 0.48 | 0.50 | 0.78 | 0.63 | 0.54 | 0.67 | 0.53 | 0.50 | 0.47 | 0.69 | 0.58 | 1.00 | 0.98 | 0.55 |
| X4 | 0.54 | 0.72 | 0.63 | 0.76 | 0.57 | 0.63 | 0.58 | 0.54 | 1.00 | 0.68 | 0.63 | 0.51 | 0.62 | 0.57 | 0.62 |
| X5 | 1.00 | 0.81 | 0.83 | 0.69 | 0.74 | 0.66 | 0.74 | 0.71 | 0.53 | 0.56 | 0.70 | 0.92 | 0.84 | 0.70 | 0.74 |
| X6 | 0.53 | 0.94 | 0.57 | 0.57 | 0.52 | 0.51 | 0.61 | 0.50 | 0.52 | 0.56 | 0.84 | 0.52 | 1.00 | 0.71 | 0.95 |
| X7 | 0.42 | 1.00 | 0.37 | 0.46 | 0.34 | 0.56 | 0.44 | 0.40 | 0.51 | 0.53 | 0.68 | 0.50 | 0.36 | 0.47 | 0.90 |
| X8 | 0.48 | 0.81 | 0.43 | 0.48 | 0.37 | 0.69 | 0.45 | 0.38 | 0.47 | 0.53 | 0.81 | 0.62 | 0.39 | 0.53 | 1.00 |
| X9 | 0.44 | 0.75 | 0.35 | 0.59 | 0.33 | 0.68 | 0.38 | 0.35 | 0.39 | 0.68 | 0.63 | 0.55 | 0.41 | 0.44 | 1.00 |
| 关联度 | 0.59 | 0.79 | 0.54 | 0.60 | 0.51 | 0.59 | 0.54 | 0.50 | 0.55 | 0.61 | 0.69 | 0.64 | 0.65 | 0.61 | 0.79 |
| 排序 | 9 | 1 | 13 | 8 | 14 | 10 | 12 | 15 | 11 | 6 | 3 | 5 | 4 | 7 | 2 |
