
Different Concentrations of Citric Acid: Effects on Sugar Beet Seed Priming
CONG Junchao, HU Huabing, WANG Ronghua, LIU Dali, WU Zedong, WANG Maoqian
Different Concentrations of Citric Acid: Effects on Sugar Beet Seed Priming
In order to study the effect of citric acid as initiator on sugar beet single seed priming, and to provide a basis for the selection of sugar beet seed coating material, in this experiment, sugar beet single seed 1113×NY051 was used as material, citric acid with different concentrations was used as initiator, and the data of germination potential and germination rate were obtained by direct measurement method. The results showed that the 9 treatments with different concentrations of citric acid and different time gradients could effectively promote the germination potential, germination rate, germination index and vigor index of 1113×NY051, and reduce the specific conductivity. Among them, the germination potential, germination rate, germination index and vigor index of 1113×NY051 beet seeds treated with 5 mmol/L citric acid at 8, 12 and 24 h were higher than those of the control group (CK), and the specific conductivity was lower than that of the control group (CK). Different concentrations of citric acid could significantly promote seed germination, and different treatment time and reagent concentrations had different effects on seed germination.
sugar beet / sugar beet seeds / single seed / citric acid / seed priming {{custom_keyword}} /
表1 不同浓度柠檬酸试剂的9个处理 |
处理编号 | 种子名称 | 引发组合 | 处理时间/h |
---|---|---|---|
处理1 | 1113×NY051 | 5 mmol/L柠檬酸 | 8 |
处理2 | 1113×NY051 | 5 mmol/L柠檬酸 | 12 |
处理3 | 1113×NY051 | 5 mmol/L柠檬酸 | 24 |
处理4 | 1113×NY051 | 7.5 mmol/L柠檬酸 | 8 |
处理5 | 1113×NY051 | 7.5 mmol/L柠檬酸 | 12 |
处理6 | 1113×NY051 | 7.5 mmol/L柠檬酸 | 24 |
处理7 | 1113×NY051 | 10 mmol/L柠檬酸 | 8 |
处理8 | 1113×NY051 | 10 mmol/L柠檬酸 | 12 |
处理9 | 1113×NY051 | 10 mmol/L柠檬酸 | 24 |
表2 5 mmol/L柠檬酸溶液处理1113×NY051甜菜种子萌发调查表 |
处理编号 | 引发组合 | 处理时间/h | 5 d发芽势/% | 7 d发芽率/% | 发芽指数 | 活力指数 |
---|---|---|---|---|---|---|
处理1 | 5 mmol/L CA | 8 | 91.00±4.55 | 92.00±4.32 | 32.28±2.60bcde | 266.59±15.21ab |
处理2 | 5 mmol/L CA | 12 | 89.00±0.82 | 90.00±1.41 | 39.36±3.35abc | 318.30±40.59a |
处理3 | 5 mmol/L CA | 24 | 91.33±0.47 | 91.33±0.47 | 40.16±0.92ab | 310.87±12.41a |
CK | 1113×NY051 | 0 | 88.67±3.40 | 89.67±4.19 | 26.80±0.62e | 200.41±13.08b |
注:同一列内,相同小写字母,表示在P>0.05水平不显著,不同小写字母,表示P≤0.05水平显著。下同。 |
表3 7.5 mmol/L柠檬酸溶液处理1113×NY051甜菜种子萌发调查表 |
处理编号 | 引发组合 | 处理时间/h | 5 d发芽势/% | 7 d发芽率/% | 发芽指数 | 活力指数 |
---|---|---|---|---|---|---|
处理4 | 7.5mmol/LCA | 8 | 90.00±2.94 | 91.00±2.94 | 31.26±0.58cde | 296.15±33.19a |
处理5 | 7.5mmol/LCA | 12 | 94.67±2.62 | 95.00±2.16 | 34.44±4.24abcde | 301.59±34.16a |
处理6 | 7.5mmol/LCA | 24 | 94.33±0.94 | 95.00±1.63 | 42.47±1.24a | 343.84±10.53a |
CK | 1113×NY051 | 0 | 88.67±3.40 | 89.67±4.19 | 26.80±0.62e | 200.41±13.08b |
表4 10 mmol/L柠檬酸溶液处理1113×NY051甜菜种子萌发调查表 |
处理编号 | 引发组合 | 处理时间/h | 5 d发芽势/% | 7 d发芽率/% | 发芽指数 | 活力指数 |
---|---|---|---|---|---|---|
处理7 | 10mmol/LCA | 8 | 89.00±4.32 | 90.67±3.68 | 31.03±1.97de | 275.76±8.17ab |
处理8 | 10mmol/LCA | 12 | 93.67±1.70 | 94.00±1.41 | 37.63±0.45abcd | 300.25±11.64a |
处理9 | 10mmol/LCA | 24 | 91.67±1.70 | 92.33±1.25 | 38.21±1.58abcd | 340.15±10.49a |
CK | 1113×NY051 | 0 | 88.67±3.40 | 89.67±4.19 | 26.80±0.62e | 200.41±13.08b |
表5 不同浓度柠檬酸溶液处理1113×NY051甜菜种子的电导率调查表 |
处理编号 | 种子名称 | 引发组合 | 处理时间/h | 电导率 |
---|---|---|---|---|
处理1 | 1113×NY051 | 5 mmol/L柠檬酸 | 8 | 52.53±6.99b |
处理2 | 1113×NY051 | 5 mmol/L柠檬酸 | 12 | 44.53±1.23b |
处理3 | 1113×NY051 | 5 mmol/L柠檬酸 | 24 | 33.67±5.08b |
处理4 | 1113×NY051 | 7.5 mmol/L柠檬酸 | 8 | 62.33±4.52b |
处理5 | 1113×NY051 | 7.5 mmol/L柠檬酸 | 12 | 45.43±4.78b |
处理6 | 1113×NY051 | 7.5 mmol/L柠檬酸 | 24 | 27.63±2.98b |
处理7 | 1113×NY051 | 10 mmol/L柠檬酸 | 8 | 57.17±0.58b |
处理8 | 1113×NY051 | 10 mmol/L柠檬酸 | 12 | 39.93±3.26b |
处理9 | 1113×NY051 | 10 mmol/L柠檬酸 | 24 | 33.87±1.33b |
CK | 1113×NY051 | 干种子 | 0 | 181.73±34.54a |
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