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 不同施硒处理对辣椒产量的影响
2.2 不同施硒处理对辣椒各器官硒含量的影响
表1 不同施硒处理下辣椒各器官硒含量Tab. 1 Selenium concentration of different pepper organs under different selenium treatments |
| 时期 Stage | 器官 Organ | 硒含量 Selenium concentration/(mg·kg-1) | |||||
|---|---|---|---|---|---|---|---|
| Se 0 | Se 5 | Se 10 | Se 15 | Se 20 | Se 25 | ||
| 花芽分化期 | 根 | 7.9±0.2Ae | 27.1±1.9Ce | 130.1±0.1Dc | 108.1±7.1Cd | 270.2±3.6Ca | 163.2±0.9Db |
| 茎 | 1.7±0.1Ce | 16.0±0.6De | 166.1±1.4Cc | 137.2±0.2Bd | 312.1±16.3Ba | 213.0±0.1Cb | |
| 叶 | 2.2±0.1Bd | 35.1±0.7Bd | 236.1±0.8Bc | 258.5±15.5Ac | 522.1±26.7Aa | 369.3±5.3Ab | |
| 花芽 | 2.2±0.2Be | 44.6±2.2Ad | 302.3±23.2Ab | 247.4±7.6Ac | 518.3±5.6Aa | 296.2±1.8Bb | |
| 开花坐果期 | 根 | 11.3±0.1Bd | 30.3±1.2Ac | 25.1±4.7Ac | 79.1±1.5Cb | 160.5±0.2Ca | 86.5±1.3Cb |
| 茎 | 1.8±0.1Ce | 21.2±0.3Bd | 25.7±0.1Ad | 76.1±1.8Cb | 115.1±0.9Da | 70.4±2.6Dc | |
| 叶 | 2.8±0.2Ce | 32.6±1.7Ad | 24.5±0.1Ad | 149.4±2.3Ab | 243.1±0.2Aa | 106.5±4.1Bc | |
| 花芽 | 2.5±0.1Cf | 30.8±1.6Ad | 15.6±0.4Ce | 145.5±0.6Ab | 195.4±2.6Ba | 135.2±1.9Ac | |
| 花 | 18.2±0.4Ad | 32.2±1.6Ac | 18.4±0.1Cd | 93.2±8.4Bb | 160.3±3.4Ca | 90.9±0.8Cb | |
| 果实 | 0.4±0.1Dd | 19.8±0.9Bc | 19.8±1.1Bc | 98.4±0.3Ba | 98.9±2.8Ea | 57.5±2.6Eb | |
| 收获期 | 根 | 2.3±0.1Cf | 20.3±0.1Be | 41.7±1.3Ad | 63.7±0.9Dc | 101.9±2.0Ca | 83.8±1.8Ab |
| 茎 | 2.1±0.0Ce | 20.5±0.2Bd | 35.6±1.0BCc | 69.3±1.6CDb | 118.1±1.1Ba | 37.4±0.2Dc | |
| 叶 | 1.5±0.1Df | 21.2±1.6Be | 37.9±0.9ABd | 90.5±0.1Ab | 130.5±4.5Aa | 71.3±0.6Bc | |
| 花芽 | 5.1±0.1Bd | 28.8±3.4Ac | 31.6±3.5CDc | 73.1±0.3Bb | 98.4±0.2Ca | 69.4±1.7Bb | |
| 花 | 5.9±0.1Af | 21.0±1.0Be | 27.8±2.9Dd | 72.3±0.6Cb | 96.8±1.4Da | 48.3±0.9Cc | |
| 果实 | 0.3±0.1Ed | 15.6±0.2Cc | 31.8±0.1CDb | 40.8±0.4Eb | 42.3±1.7Ea | 37.0±0.9Db | |
注:同一行不同小写字母表示硒肥处理之间差异显著(P<0.05);同一列不同大写字母表示各器官之间差异显著(P<0.05)。 | |
Note: Different lowercase letters in the same row show significant differences between different selenium treatments (P<0.05); Different capital letters in the same column show significant differences between different pepper organs (P<0.05). |
2.3 不同施硒处理对辣椒各器官硒累积的影响
表2 不同施硒处理下各生育期的辣椒各器官硒累积量Tab. 2 Selenium accumulation in pepper organs at each growth stage under different selenium treatments |
| 时期 Stage | 器官 Organ | 单株硒累积量 Selenium accumulation per plant/mg | |||||
|---|---|---|---|---|---|---|---|
| Se 0 | Se 5 | Se 10 | Se 15 | Se 20 | Se 25 | ||
| 花芽分化期 | 根 | 2.21±0.09Af | 7.59±0.69De | 40.33±2.15Cd | 44.33±1.59Dc | 118.88±6.52Da | 55.50±5.24Db |
| 茎 | 1.43±0.08Cf | 13.92±2.95Ce | 177.73±46.63Bd | 152.28±61.59Cc | 377.58±69.35Ca | 238.54±55.24Cb | |
| 叶 | 1.63±0.85Bf | 26.32±2.59Be | 257.35±36.23Ad | 307.62±65.30Ac | 652.55±69.35Aa | 435.76±15.25Ab | |
| 花芽 | 1.36±0.09Cf | 28.54±3.26Ae | 256.95±15.66Ac | 232.55±15.36Bd | 544.22±65.26Ba | 272.55±61.22Bb | |
| 开花坐果期 | 根 | 21.01±1.06Af | 57.88±9.05De | 61.24±13.22Dd | 235.72±18.12Eb | 433.35±22.36Ea | 191.17±11.05Cc |
| 茎 | 5.49±0.84Df | 75.47±19.48Ce | 103.31±23.16Bd | 317.34±88.12Db | 591.61±122.36Da | 342.15±71.05Bc | |
| 叶 | 8.06±2.13Cf | 98.45±6.35Be | 76.69±23.65Cd | 548.30±92.36Bb | 1050.20±125.36Aa | 412.15±56.26Ac | |
| 花芽 | 7.14±0.36Cf | 89.93±6.59Bd | 49.46±13.22Ee | 484.52±82.54Cb | 775.74±72.36Ba | 393.43±33.69Ac | |
| 花 | 11.29±1.26Be | 21.56±9.05Ec | 14.90±13.98Fd | 82.02±18.12Fb | 157.10±22.36Fa | 71.82±11.05Db | |
| 果实 | 2.29±0.09Ef | 115.04±10.22Ae | 126.32±33.69Ad | 697.65±102.36Ab | 713.07±123.02Ca | 404.76±65.99Ac | |
| 收获期 | 根 | 8.19±1.25Df | 74.10±7.33Ce | 160.96±8.59Dd | 275.18±10.69Db | 548.22±33.51Da | 377.10±14.02Cc |
| 茎 | 34.76±3.25Af | 348.09±12.05Ae | 671.42±65.73Bd | 1389.47±110.69Ab | 2646.62±133.55Aa | 761.09±114.02Bc | |
| 叶 | 16.52±2.09Bf | 250.37±7.13Be | 466.55±15.98Cd | 1134.87±142.56Bb | 2073.65±133.25Ba | 959.70±84.25Ac | |
| 花芽 | 10.25±3.67Cf | 62.50±7.30Ce | 95.43±25.22Ed | 270.08±65.36Eb | 343.42±33.55Ea | 227.63±41.25Dc | |
| 花 | 6.61±3.25Ef | 26.88±7.34De | 36.97±8.59Fd | 104.84±30.69Eb | 151.03±53.33Fa | 74.87±24.02Ec | |
| 果实 | 6.38±0.68Ef | 336.02±25.36Ae | 698.96±58.99Ad | 910.25±95.21Cb | 948.37±153.25Ca | 796.98±84.58Bc | |
注:同一行不同小写字母表示硒肥处理之间差异显著(P<0.05);同一列不同大写字母表示各器官之间差异显著(P<0.05)。 | |
Note: Different lowercase letters in the same row show significant differences between different selenium treatments (P<0.05); Different capital letters in the same column show significant differences between different pepper organs (P<0.05). |
2.4 收获期不同施硒处理对辣椒硒分配率及利用率的影响
图2 收获期辣椒果实硒分配率不同字母表示处理之间差异显著(P<0.05)。 Fig. 2 Distribution rate of selenium of pepper fruit at harvest stage Different letters indicate significant differences between treatments (P<0.05). |
