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 甘蔗单芽种茎不同处理下可溶性糖含量变化分析
表1 不同处理下未包衣甘蔗单芽种茎可溶性糖含量Tab. 1 Soluble sugar content in sugarcane single bud stem of uncoated at different treatments mg·g-1 |
| 处理 Treatment | 可溶性糖含量Soluble sugar content | ||
|---|---|---|---|
| 10 d | 20 d | 30 d | |
| 10 ℃ | 130.15±3.22aA | 113.85±8.84aA | 118.39±8.05aA |
| 13 ℃ | 121.48±3.94abA | 107.35±5.37abA | 101.59±9.15abAB |
| 15 ℃ | 121.05±11.74abA | 101.67±9.30bA | 94.49±4.90bAB |
| 常温 | 112.67±2.97bA | 98.837±8.68bA | 75.94±8.25cB |
注:数据表示为平均值±标准误;同列数据后不同小写字母表示差异显著(P<0.05),不同大写字母表示差异极显著(P< 0.01)。 | |
Note: The data are expressed as mean±SE; different lowercase letters in the same column indicate significant difference at the 0.05 level, different capital letters indicate extremely significant difference at the 0.01 level. |
表2 不同处理下包衣甘蔗单芽种茎可溶性糖含量Tab. 2 Soluble sugar content in sugarcane single bud stem of coated at different treatment mg·g-1 |
| 处理 Treatment | 可溶性糖含量soluble sugar content | ||
|---|---|---|---|
| 10 d | 20 d | 30 d | |
| 10 ℃ | 137.77±1.88aA | 130.19±3.18aA | 124.62±2.47aA |
| 13 ℃ | 136.33±4.68aA | 129.96±4.15aA | 124.62±3.73aA |
| 15 ℃ | 134.49±6.54aA | 125.54±7.50abA | 117.31±6.29bAB |
| 常温 | 132.19±3.38aA | 115.91±5.69bA | 108.70±5.42cB |
注:数据表示为平均值±标准误;同列数据后不同小写字母表示差异显著(P<0.05),不同大写字母表示差异极显著(P<0.01)。 | |
Note: The data are expressed as mean±SE; different lowercase letters in the same column indicate significant difference at the 0.05 level, different capital letters indicate extremely significant difference at the 0.01 level. |
2.2 甘蔗单芽种茎不同处理下氨基酸含量变化分析
表3 不同处理下未包衣甘蔗单芽种茎氨基酸含量Tab. 3 Amino acid content in sugarcane single bud stem of uncoated at different treatments μmol·g-1 |
| 处理 Treatment | 氨基酸含量amino acid content | ||
|---|---|---|---|
| 10 d | 20 d | 30 d | |
| 10 ℃ | 40.19±0.87aA | 36.84±3.82aA | 21.20±4.18abA |
| 13 ℃ | 26.84±1.86bB | 30.86±4.37bA | 23.55±3.04aA |
| 15 ℃ | 29.30±1.72bB | 21.29±2.53cB | 13.21±1.86bA |
| 常温 | 18.69±1.47cC | 16.84±0.33cB | 14.81±5.27bA |
注:数据表示为平均值±标准误;同列数据后不同小写字母表示差异显著(P<0.05),不同大写字母表示差异极显著(P< 0.01)。 | |
Note: The data are expressed as mean±SE; different lowercase letters in the same column indicate significant difference at the 0.05 level, different capital letters indicate extremely significant difference at the 0.01 level. |
表4 不同处理下包衣甘蔗单芽种茎氨基酸含量Tab. 4 Amino acid content in sugarcane single bud stem of coated at different treatment μmol·g-1 |
| 处理 Treatment | 氨基酸含量amino acid content | ||
|---|---|---|---|
| 10 d | 20 d | 30 d | |
| 10 ℃ | 36.52±4.56aA | 33.01±1.88aA | 27.60±3.51aA |
| 13 ℃ | 36.36±0.66aA | 32.21±3.94aA | 23.20±3.17aAB |
| 15 ℃ | 33.48±1.75aA | 24.59±3.54bA | 14.88±4.05bB |
| 常温 | 30.01±3.09aA | 26.59±1.77abA | 14.68±3.49bB |
注:数据表示为平均值±标准误;同列数据后不同小写字母表示差异显著(P<0.05),不同大写字母表示差异极显著(P<0.01)。 | |
Note: The data are expressed as mean±SE; different lowercase letters in the same column indicate significant difference at the 0.05 level, different capital letters indicate extremely significant difference at the 0.01 level. |
2.3 甘蔗单芽种茎剖面对比分析
图1 未包衣甘蔗单芽种茎不同处理下剖面图1、2、3、4分别为10 ℃、13 ℃、15 ℃和常温下未包衣甘蔗单芽种茎保存10 d;5、6、7、8分别为10 ℃、13 ℃、15 ℃和常温下未包衣甘蔗单芽种茎保存20 d;9、10、11、12分别为10 ℃、13 ℃、15 ℃和常温下未包衣甘蔗单芽种茎保存30 d。 Fig. 1 Profile view in sugarcane single bud stem of uncoated at different treatment The uncoated sugarcane single bud stem stalk of No.1, 2, 3, 4 were saved under 10 days at 10 ℃、13 ℃、15 ℃ and normal temperature, respectively; the uncoated sugarcane single bud stem stalk of No.5, 6, 7, 8 were saved under 20 days at 10 ℃、13 ℃、15 ℃ and normal temperature, respectively; the uncoated sugarcane single bud stem stalk of No.9, 10, 11, 12 were saved under 30 days at 10 ℃、13 ℃、15 ℃ and normal temperature, respectively. |
表5 不包衣甘蔗单芽种茎病菌感染率Tab. 5 Infection rate of uncoated sugarcane single bud stem % |
| 保存天数 Saving days/d | 保存温度Saving temperature | |||
|---|---|---|---|---|
| 10 ℃ | 13 ℃ | 15 ℃ | 常温Normal temperature | |
| 10 | 0.00±0.00aA | 0.00±0.00aA | 15.76±0.04aA | 52.17±0.16aA |
| 20 | 35.70±0.16bB | 55.77±0.27bB | 79.51±0.18bB | 100.00±0.00bB |
| 30 | 58.81±0.27cC | 56.35±0.22bB | 100.00±0.00cC | 100.00±0.00bB |
注:数据表示为平均值±标准误;同列数据后不同小写字母表示差异显著(P<0.05),不同大写字母表示差异极显著(P<0.01)。 | |
Note: The data are expressed as mean±SE; different lowercase letters in the same column indicate significant difference at the 0.05 level, different capital letters indicate extremely significant difference at the 0.01 level. |
图2 包衣甘蔗单芽种茎不同处理下剖面图13、14、15、16分别为10 ℃、13 ℃、15 ℃和常温下包衣甘蔗单芽种茎保存10 d;17、18、19、20分别为10 ℃、13 ℃、15 ℃和常温下包衣甘蔗单芽种茎保存20 d;21、22、23、24分别为10 ℃、13 ℃、15 ℃和常温下包衣甘蔗单芽种茎保存30 d。 Fig. 2 Profile view in sugarcane single bud stem of coated at different treatment The coated sugarcane single bud stem stalk of No.13, 14, 15, 16 were saved under 10 days at 10 ℃、13 ℃、15 ℃ and normal temperature, respectively; the coated sugarcane single bud stem stalk of No.17, 18, 19, 20 were saved under 20 days at 10 ℃、13 ℃、15 ℃ and normal temperature, respectively; the coated sugarcane single bud stem stalk of No.21, 22, 23, 24 were saved under 30 days at 10 ℃、13 ℃、15 ℃ and normal temperature, respectively. |
表6 包衣甘蔗单芽种茎病菌感染率Tab. 6 Infection rate of coated sugarcane single bud stem % |
| 保存天数 Saving days/d | 保存温度Saving temperature | |||
|---|---|---|---|---|
| 10 ℃ | 13 ℃ | 15 ℃ | 常温Normal temperature | |
| 10 | 0.00±0.00aA | 0.00±0.00aA | 0.00±0.00aA | 12.51±0.05aA |
| 20 | 12.32±0.07bB | 17.13±0.14bB | 23.31±0.22bB | 34.39±0.09bB |
| 30 | 27.69±0.22cC | 27.35±0.18cC | 36.54±0.26cBC | 51.58±0.23cC |
注:数据表示为平均值±标准误;同列数据后不同小写字母表示差异显著(P<0.05),不同大写字母表示差异极显著(P<0.01)。 | |
Note: The data are expressed as mean±SE; different lowercase letters in the same column indicate significant difference at the 0.05 level, different capital letters indicate extremely significant difference at the 0.01 level. |
