Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (10): 2398-2405.DOI: 10.16178/j.issn.0528-9017.20230772
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NIU Mengkang1(), MIAO Pu2, WANG Haojie1, LI Wenyang1, JIANG Shijun1, ZHOU Yang1, LI Jianhua3,*(
), CUI Jiangkuan1,*(
)
Received:
2023-07-24
Online:
2024-10-11
Published:
2024-10-25
CLC Number:
NIU Mengkang, MIAO Pu, WANG Haojie, LI Wenyang, JIANG Shijun, ZHOU Yang, LI Jianhua, CUI Jiangkuan. Effects of plant growth regulators on seed germination and stress resistance of tobacco seedlings[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(10): 2398-2405.
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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20230772
植物生长调节剂 | 成分含量/% | 生产公司 | 处理浓度/(mg·L-1) | ||||
---|---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | |||
GA3 | 99.9 | 水木生物 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
6-BA | 99.0 | 水木生物 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
NAA | 99.0 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
IAA | 99.5 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
IBA | 99.5 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
2, 4-D | 99.8 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
β-萘氧乙酸 | 98.0 | 登海市绿韵商行 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
水杨酸 | 99.9 | 郑州市津北化工 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
复合腐殖酸钠 | 100.0 | 湛江市浩洋生物科技 | 94 | 188 | 375 | 750 | 1 125 |
2,4-表芸苔素内酯 | 0.01 | 河北兰升生物科技 | 2 000 | 1 000 | 500 | 330 | 250 |
CK | 无菌水 |
Table 1 Effective ingredients and dosage of plant growth regulators in tobacco seed germination experiments
植物生长调节剂 | 成分含量/% | 生产公司 | 处理浓度/(mg·L-1) | ||||
---|---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | |||
GA3 | 99.9 | 水木生物 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
6-BA | 99.0 | 水木生物 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
NAA | 99.0 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
IAA | 99.5 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
IBA | 99.5 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
2, 4-D | 99.8 | 中天园艺 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
β-萘氧乙酸 | 98.0 | 登海市绿韵商行 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
水杨酸 | 99.9 | 郑州市津北化工 | 0.2 | 0.4 | 0.8 | 1.6 | 3.2 |
复合腐殖酸钠 | 100.0 | 湛江市浩洋生物科技 | 94 | 188 | 375 | 750 | 1 125 |
2,4-表芸苔素内酯 | 0.01 | 河北兰升生物科技 | 2 000 | 1 000 | 500 | 330 | 250 |
CK | 无菌水 |
植物生长调节剂 | 发芽率/% | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 90.00±10.00 a | 96.67±5.77 a | 93.33±11.55 a | 100.00±0 a | 90.00±0 a | 70.00±10.00 b |
6-BA | 96.67±5.77 a | 96.67±5.77 a | 90.00±10.00 a | 90.00±10.00 a | 90.00±0 a | 70.00±10.00 b |
NAA | 90.00±10.00 a | 86.67±11.55 ab | 93.33±5.77 a | 93.33±11.55 a | 93.33±5.77 a | 70.00±10.00 b |
IAA | 96.67±5.77 a | 86.67±5.77 a | 96.67±5.77 a | 96.67±5.77 a | 90.00±10.00 a | 70.00±10.00 b |
IBA | 96.67±5.77 a | 100.00±0 a | 93.33±11.55 a | 93.33±5.77 a | 86.67±5.77 a | 70.00±10.00 b |
2, 4-D | 96.67±5.77 a | 93.33±5.77 a | 96.67±5.77 a | 93.33±5.77 a | 93.33±5.77 a | 70.00±10.00 b |
水杨酸 | 86.67±5.77 ab | 93.33±5.77 ab | 93.33±5.77 ab | 80.00±0 ab | 96.67±5.77 a | 70.00±10.00 b |
β-萘氧乙酸 | 86.67±5.77 b | 90.00±1.00 ab | 100.00±0 a | 100.00±0 a | 90.00±0 a | 70.00±10.00 c |
复合腐殖酸 | 96.67±5.77 a | 96.67±5.77 a | 96.67±5.77 a | 100.00±0 a | 83.33±5.77 b | 70.00±10.00 c |
2,4-表芸苔素内酯 | 96.67±5.77 a | 96.67±5.77 a | 90.00±10.00 a | 96.67±5.77 a | 96.67±5.77 ab | 70.00±10.00 b |
Table 2 Effect of plant growth regulators on germination rate of tobacco seeds
植物生长调节剂 | 发芽率/% | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 90.00±10.00 a | 96.67±5.77 a | 93.33±11.55 a | 100.00±0 a | 90.00±0 a | 70.00±10.00 b |
6-BA | 96.67±5.77 a | 96.67±5.77 a | 90.00±10.00 a | 90.00±10.00 a | 90.00±0 a | 70.00±10.00 b |
NAA | 90.00±10.00 a | 86.67±11.55 ab | 93.33±5.77 a | 93.33±11.55 a | 93.33±5.77 a | 70.00±10.00 b |
IAA | 96.67±5.77 a | 86.67±5.77 a | 96.67±5.77 a | 96.67±5.77 a | 90.00±10.00 a | 70.00±10.00 b |
IBA | 96.67±5.77 a | 100.00±0 a | 93.33±11.55 a | 93.33±5.77 a | 86.67±5.77 a | 70.00±10.00 b |
2, 4-D | 96.67±5.77 a | 93.33±5.77 a | 96.67±5.77 a | 93.33±5.77 a | 93.33±5.77 a | 70.00±10.00 b |
水杨酸 | 86.67±5.77 ab | 93.33±5.77 ab | 93.33±5.77 ab | 80.00±0 ab | 96.67±5.77 a | 70.00±10.00 b |
β-萘氧乙酸 | 86.67±5.77 b | 90.00±1.00 ab | 100.00±0 a | 100.00±0 a | 90.00±0 a | 70.00±10.00 c |
复合腐殖酸 | 96.67±5.77 a | 96.67±5.77 a | 96.67±5.77 a | 100.00±0 a | 83.33±5.77 b | 70.00±10.00 c |
2,4-表芸苔素内酯 | 96.67±5.77 a | 96.67±5.77 a | 90.00±10.00 a | 96.67±5.77 a | 96.67±5.77 ab | 70.00±10.00 b |
植物生长调节剂 | 根长/cm | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 2.27±0.26 bc | 0.92±0.40 c | 1.45±0.47 ab | 1.81±0.31 ab | 2.99±0.36 a | 2.48±1.24 bc |
6-BA | 1.43±0.06 b | 1.03±0.25 b | 1.18±0.33 b | 0.63±0.18 b | 1.08±0.19 b | 2.48±1.24 a |
NAA | 1.07±0.03 b | 1.27±0.08 b | 1.28±0.15 b | 1.12±0.06 b | 1.17±0.02 b | 2.48±1.24 a |
IAA | 1.35±0.41 b | 0.94±0.28 bc | 1.37±0.15 b | 0.70±0.02 bc | 0.88±0.09 bc | 2.48±1.24 a |
IBA | 0.68±0.06 b | 1.38±0.24 a | 0.70±0.18 a | 1.10±0.18 a | 0.60±0.13 a | 2.48±1.24 a |
2, 4-D | 1.71±0.01 bc | 0.48±0.24 c | 2.37±0.29 a | 1.66±0.49 ab | 1.04±0.11 bc | 2.48±1.24 a |
水杨酸 | 1.38±0.06 b | 2.40±0.10 a | 2.53±0.38 a | 0.73±0.21 b | 2.48±0.16 a | 2.48±1.24 a |
β-萘氧乙酸 | 2.37±0.19 a | 1.79±0.10 a | 1.64±0.10 ab | 0.80±0.05 b | 0.72±0.19 b | 2.48±1.24 a |
复合腐殖酸 | 2.35±0.22 bc | 3.05±0.13 bc | 1.02±0.08 a | 2.10±0.54 b | 3.30±0.27 a | 2.48±1.24 ab |
2,4-表芸苔素内酯 | 2.67±0.80 a | 3.20±0.44 a | 3.57±0.75 a | 2.92±0.46 a | 3.53±0.25 a | 2.48±1.24 a |
Table 3 Effect of plant growth regulators on root length of tobacco
植物生长调节剂 | 根长/cm | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 2.27±0.26 bc | 0.92±0.40 c | 1.45±0.47 ab | 1.81±0.31 ab | 2.99±0.36 a | 2.48±1.24 bc |
6-BA | 1.43±0.06 b | 1.03±0.25 b | 1.18±0.33 b | 0.63±0.18 b | 1.08±0.19 b | 2.48±1.24 a |
NAA | 1.07±0.03 b | 1.27±0.08 b | 1.28±0.15 b | 1.12±0.06 b | 1.17±0.02 b | 2.48±1.24 a |
IAA | 1.35±0.41 b | 0.94±0.28 bc | 1.37±0.15 b | 0.70±0.02 bc | 0.88±0.09 bc | 2.48±1.24 a |
IBA | 0.68±0.06 b | 1.38±0.24 a | 0.70±0.18 a | 1.10±0.18 a | 0.60±0.13 a | 2.48±1.24 a |
2, 4-D | 1.71±0.01 bc | 0.48±0.24 c | 2.37±0.29 a | 1.66±0.49 ab | 1.04±0.11 bc | 2.48±1.24 a |
水杨酸 | 1.38±0.06 b | 2.40±0.10 a | 2.53±0.38 a | 0.73±0.21 b | 2.48±0.16 a | 2.48±1.24 a |
β-萘氧乙酸 | 2.37±0.19 a | 1.79±0.10 a | 1.64±0.10 ab | 0.80±0.05 b | 0.72±0.19 b | 2.48±1.24 a |
复合腐殖酸 | 2.35±0.22 bc | 3.05±0.13 bc | 1.02±0.08 a | 2.10±0.54 b | 3.30±0.27 a | 2.48±1.24 ab |
2,4-表芸苔素内酯 | 2.67±0.80 a | 3.20±0.44 a | 3.57±0.75 a | 2.92±0.46 a | 3.53±0.25 a | 2.48±1.24 a |
植物生长调节剂 | 发芽势/% | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 80.00±20.00 ab | 93.33±11.54 a | 90.00±17.32 ab | 100.00±0 a | 83.33±11.55 ab | 66.67±11.55 b |
6-BA | 93.33±11.55 a | 90.00±10.00 ab | 83.33±20.82 ab | 86.67±15.28 ab | 83.33±5.77 ab | 66.67±11.55 b |
NAA | 80.00±17.32 a | 76.67±5.77 a | 83.33±11.55 a | 83.33±15.28 a | 66.67±25.17 a | 66.67±11.55 a |
IAA | 83.33±5.77 ab | 76.67±15.28 ab | 93.33±5.77 ab | 80.00±10.00 ab | 76.67±20.82 ab | 66.67±11.55 b |
IBA | 90.00±10.00 a | 100.00±0 a | 90.00±17.32 a | 86.67±11.55 a | 80.00±0 ab | 66.67±11.55 b |
2, 4-D | 86.67±11.55 a | 80.00±17.32 a | 93.33±5.77 a | 76.67±25.17 a | 83.33±15.28 a | 66.67±11.55 a |
水杨酸 | 86.67±5.77 ab | 93.33±5.77 a | 86.67±5.77 ab | 86.67±23.09 ab | 90.00±10.00 ab | 66.67±11.55 b |
β-萘氧乙酸 | 90.00±10.00 a | 90.00±0 a | 96.67±5.77 a | 76.67±20.82 ab | 80.00±0 ab | 66.67±11.55 b |
复合腐殖酸 | 86.67±15.28 bc | 93.33±5.77 bc | 93.33±5.77 ab | 100.00±0 a | 80.00±10.00 ab | 66.67±11.55 a |
2,4-表芸苔素内酯 | 96.67±5.77 a | 83.33±20.82 a | 83.33±11.55 a | 96.67±5.77 a | 76.67±25.17 a | 66.67±11.55 a |
Table 4 Effect of plant growth regulators on germination potential of tobacco seeds
植物生长调节剂 | 发芽势/% | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 80.00±20.00 ab | 93.33±11.54 a | 90.00±17.32 ab | 100.00±0 a | 83.33±11.55 ab | 66.67±11.55 b |
6-BA | 93.33±11.55 a | 90.00±10.00 ab | 83.33±20.82 ab | 86.67±15.28 ab | 83.33±5.77 ab | 66.67±11.55 b |
NAA | 80.00±17.32 a | 76.67±5.77 a | 83.33±11.55 a | 83.33±15.28 a | 66.67±25.17 a | 66.67±11.55 a |
IAA | 83.33±5.77 ab | 76.67±15.28 ab | 93.33±5.77 ab | 80.00±10.00 ab | 76.67±20.82 ab | 66.67±11.55 b |
IBA | 90.00±10.00 a | 100.00±0 a | 90.00±17.32 a | 86.67±11.55 a | 80.00±0 ab | 66.67±11.55 b |
2, 4-D | 86.67±11.55 a | 80.00±17.32 a | 93.33±5.77 a | 76.67±25.17 a | 83.33±15.28 a | 66.67±11.55 a |
水杨酸 | 86.67±5.77 ab | 93.33±5.77 a | 86.67±5.77 ab | 86.67±23.09 ab | 90.00±10.00 ab | 66.67±11.55 b |
β-萘氧乙酸 | 90.00±10.00 a | 90.00±0 a | 96.67±5.77 a | 76.67±20.82 ab | 80.00±0 ab | 66.67±11.55 b |
复合腐殖酸 | 86.67±15.28 bc | 93.33±5.77 bc | 93.33±5.77 ab | 100.00±0 a | 80.00±10.00 ab | 66.67±11.55 a |
2,4-表芸苔素内酯 | 96.67±5.77 a | 83.33±20.82 a | 83.33±11.55 a | 96.67±5.77 a | 76.67±25.17 a | 66.67±11.55 a |
植物生长调节剂 | 简化活力指数 | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 2.05±0.39 ab | 0.90±0.42 c | 1.32±0.26 bc | 1.81±0.31 abc | 2.69±0.32 a | 1.75±0.90 ab |
6-BA | 1.38±0.03 b | 0.99±0.21 ab | 1.07±0.34 ab | 0.56±0.10 b | 0.98±0.17 ab | 1.75±0.90 a |
NAA | 0.96±0.13 b | 1.10±0.15 ab | 1.20±0.14 ab | 1.04±0.12 ab | 1.04±0.10 ab | 1.75±0.90 a |
IAA | 1.30±0.43 ab | 0.81±0.22 ab | 1.32±0.13 ab | 0.68±0.10 bc | 0.80±0.12 bc | 1.75±0.90 a |
IBA | 0.66±0.08 bc | 1.38±0.24 ab | 0.65±0.18 bc | 1.03±0.22 abc | 0.52±0.08 c | 1.75±0.90 a |
2,4-D | 1.65±0.10 ab | 0.45±0.25 c | 2.30±0.38 a | 1.54±0.43 ab | 0.97±0.11 bc | 1.75±0.90 ab |
水杨酸 | 1.20±0.03 bc | 2.24±0.23 a | 2.35±0.22 a | 0.58±0.28 c | 2.40±0.13 a | 1.75±0.90 a |
β-萘氧乙酸 | 2.05±0.17 a | 1.62±0.22 a | 1.64±0.10 a | 0.80±0.05 b | 0.65±0.18 b | 1.75±0.90 a |
复合腐殖酸 | 2.28±0.25 ab | 2.95±0.30 a | 0.98±0.03 c | 2.10±0.54 ab | 2.76±0.42 a | 1.75±0.90 bc |
2,4-表芸苔素内酯 | 2.51±0.84 ab | 3.08±0.24 a | 3.21±0.76 a | 2.83±0.55 ab | 3.42±0.34 a | 1.75±0.90 b |
Table 5 Effects of plant growth regulators on simplified vigor index of tobacco seeds
植物生长调节剂 | 简化活力指数 | |||||
---|---|---|---|---|---|---|
N1 | N2 | N3 | N4 | N5 | 0(CK) | |
GA3 | 2.05±0.39 ab | 0.90±0.42 c | 1.32±0.26 bc | 1.81±0.31 abc | 2.69±0.32 a | 1.75±0.90 ab |
6-BA | 1.38±0.03 b | 0.99±0.21 ab | 1.07±0.34 ab | 0.56±0.10 b | 0.98±0.17 ab | 1.75±0.90 a |
NAA | 0.96±0.13 b | 1.10±0.15 ab | 1.20±0.14 ab | 1.04±0.12 ab | 1.04±0.10 ab | 1.75±0.90 a |
IAA | 1.30±0.43 ab | 0.81±0.22 ab | 1.32±0.13 ab | 0.68±0.10 bc | 0.80±0.12 bc | 1.75±0.90 a |
IBA | 0.66±0.08 bc | 1.38±0.24 ab | 0.65±0.18 bc | 1.03±0.22 abc | 0.52±0.08 c | 1.75±0.90 a |
2,4-D | 1.65±0.10 ab | 0.45±0.25 c | 2.30±0.38 a | 1.54±0.43 ab | 0.97±0.11 bc | 1.75±0.90 ab |
水杨酸 | 1.20±0.03 bc | 2.24±0.23 a | 2.35±0.22 a | 0.58±0.28 c | 2.40±0.13 a | 1.75±0.90 a |
β-萘氧乙酸 | 2.05±0.17 a | 1.62±0.22 a | 1.64±0.10 a | 0.80±0.05 b | 0.65±0.18 b | 1.75±0.90 a |
复合腐殖酸 | 2.28±0.25 ab | 2.95±0.30 a | 0.98±0.03 c | 2.10±0.54 ab | 2.76±0.42 a | 1.75±0.90 bc |
2,4-表芸苔素内酯 | 2.51±0.84 ab | 3.08±0.24 a | 3.21±0.76 a | 2.83±0.55 ab | 3.42±0.34 a | 1.75±0.90 b |
处理 | 鲜重/g | 株高/cm | 主根长/cm | 最大叶面积/cm2 | 叶绿素含量 |
---|---|---|---|---|---|
1.6 mg·L-1 GA3 | 0.56±0.11 cd | 8.76±0.63 bc | 5.12±2.23 b | 10.62±0.97 cde | 17.32±1.97 bc |
0.4 mg·L-1 IAA | 1.16±0.23 b | 9.20±0.40 bc | 4.46±1.75 bc | 18.71±2.59 b | 33.16±2.73 a |
0.4 mg·L-1 IBA | 0.28±0.08 de | 13.60±1.20 a | 5.22±0.85 b | 5.52±1.12 fg | 19.56±1.92 bc |
0.4 mg·L-1 NAA | 0.52±0.15 cd | 7.90±1.10 cd | 5.24±2.52 b | 11.41±2.91 cd | 16.96±1.54 c |
0.2 mg·L-1 6-BA | 0.50±0.12 cd | 5.46±0.56 e | 6.44±1.35 b | 9.25±0.84 def | 23.20±9.78 b |
0.8 mg·L-1 2, 4-D | 0.30±0.12 de | 9.93±0.40 b | 4.26±1.73 bc | 7.61±2.95 defg | 15.94±2.42 c |
3.2 mg·L-1水杨酸 | 0.30±0.12 de | 8.16±1.06 cd | 4.14±2.27 bc | 6.23±1.17 efg | 17.46±0.35 bc |
1.6 mg·L-1 β-萘氧乙酸 | 1.64±0.56 a | 12.40±0.72 a | 4.28±1.33 bc | 28.96±8.07 a | 21.10±2.21 bc |
750倍稀释复合腐殖酸 | 0.82±0.11 bc | 8.20±0.43 cd | 9.94±2.68 a | 14.80±2.57 bc | 16.86±1.50 c |
330倍稀释2,4-表芸苔素内酯 | 0.74±0.31 c | 6.93±1.60 d | 4.50±1.19 bc | 10.69±3.17 cde | 36.80±3.68 a |
CK | 0.19±0.06 e | 8.40±0.63 bc | 2.20±1.19 c | 4.23±0.76 g | 33.94±4.25 a |
Table 6 Effects of plant growth regulators on agronomic traits of floating tobacco seedling
处理 | 鲜重/g | 株高/cm | 主根长/cm | 最大叶面积/cm2 | 叶绿素含量 |
---|---|---|---|---|---|
1.6 mg·L-1 GA3 | 0.56±0.11 cd | 8.76±0.63 bc | 5.12±2.23 b | 10.62±0.97 cde | 17.32±1.97 bc |
0.4 mg·L-1 IAA | 1.16±0.23 b | 9.20±0.40 bc | 4.46±1.75 bc | 18.71±2.59 b | 33.16±2.73 a |
0.4 mg·L-1 IBA | 0.28±0.08 de | 13.60±1.20 a | 5.22±0.85 b | 5.52±1.12 fg | 19.56±1.92 bc |
0.4 mg·L-1 NAA | 0.52±0.15 cd | 7.90±1.10 cd | 5.24±2.52 b | 11.41±2.91 cd | 16.96±1.54 c |
0.2 mg·L-1 6-BA | 0.50±0.12 cd | 5.46±0.56 e | 6.44±1.35 b | 9.25±0.84 def | 23.20±9.78 b |
0.8 mg·L-1 2, 4-D | 0.30±0.12 de | 9.93±0.40 b | 4.26±1.73 bc | 7.61±2.95 defg | 15.94±2.42 c |
3.2 mg·L-1水杨酸 | 0.30±0.12 de | 8.16±1.06 cd | 4.14±2.27 bc | 6.23±1.17 efg | 17.46±0.35 bc |
1.6 mg·L-1 β-萘氧乙酸 | 1.64±0.56 a | 12.40±0.72 a | 4.28±1.33 bc | 28.96±8.07 a | 21.10±2.21 bc |
750倍稀释复合腐殖酸 | 0.82±0.11 bc | 8.20±0.43 cd | 9.94±2.68 a | 14.80±2.57 bc | 16.86±1.50 c |
330倍稀释2,4-表芸苔素内酯 | 0.74±0.31 c | 6.93±1.60 d | 4.50±1.19 bc | 10.69±3.17 cde | 36.80±3.68 a |
CK | 0.19±0.06 e | 8.40±0.63 bc | 2.20±1.19 c | 4.23±0.76 g | 33.94±4.25 a |
移栽时间/d | 植物生长调节剂 | 鲜重/g | 株高/cm | 主根长/cm | 最大叶面积/cm2 | 叶绿素含量 |
---|---|---|---|---|---|---|
30 | 1.6 mg·L-1 GA3 | 20.50±2.00 a | 13.20±2.00 ab | 8.10±2.00 a | 174.00±4.00 a | 37.60±2.00 a |
0.4 mg·L-1 IAA | 14.20±0.45 b | 14.20±0.10 a | 8.10±1.35 a | 155.50±1.18 ab | 29.45±0.55 c | |
0.4 mg·L-1 NAA | 10.10±3.20 b | 9.60±0.45 bcd | 7.50±1.00 ab | 82.23±34.95 c | 31.70±0.90 c | |
0.8 mg·L-1 2, 4-D | 11.76±5.51 b | 10.50±3.25 bc | 9.30±1.99 a | 100.63±35.03 c | 37.63±1.40 a | |
750倍稀释复合腐殖酸 | 12.13±1.31 b | 11.60±0.75 ab | 7.60±0.35 ab | 92.34±2.12 c | 35.85±0.95 ab | |
330倍稀释2,4-表芸苔素内酯 | 12.20±1.20 b | 6.40±2.89 d | 3.80±0.70 c | 115.50±5.15 bc | 32.23±1.96 bc | |
CK | 10.50±5.78 b | 7.00±1.49 cd | 5.60±0.65 bc | 117.48±41.26 bc | 31.80±3.40 c | |
45 | 1.6 mg·L-1 GA3 | 26.00±1.00 a | 21.70±3.06 a | 11.00±1.50 a | 191.66±33.43 a | 35.27±2.83 b |
0.4 mg·L-1 IAA | 24.53±6.09 a | 22.60±2.61 a | 12.10±1.84 a | 173.36±36.58 ab | 35.87±1.39 b | |
0.4 mg·L-1 NAA | 18.30±5.56 ab | 15.20±0.67 b | 9.10±1.46 a | 113.73±0.46 bc | 35.10±1.87 b | |
0.8 mg·L-1 2, 4-D | 18.50±2.26 ab | 17.40±1.85 b | 9.90±1.95 a | 108.03±47.61 a | 38.30±1.64 ab | |
750倍稀释复合腐殖酸 | 21.60±6.75 ab | 20.80±1.40 a | 10.80±1.37 a | 116.86±27.72 ab | 41.10±3.61 b | |
330倍稀释2,4-表芸苔素内酯 | 20.83±3.18 ab | 17.00±1.01 b | 9.40±1.39 a | 128.10±22.09 ab | 38.67±1.27 ab | |
CK | 15.83±1.43 b | 15.60±0.80 b | 9.10±1.19 a | 118.90±34.31 ab | 35.93±2.13 b | |
60 | 1.6 mg·L-1 GA3 | 28.10±1.82 a | 24.60±2.70 a | 13.70±1.10 a | 210.10±22.68 a | 47.86±0.70 ab |
0.4 mg·L-1 IAA | 26.20±1.48 ab | 25.70±1.40 a | 13.00±1.60 ab | 181.00±2.90 ab | 43.96±0.77 ab | |
0.4 mg·L-1 NAA | 28.83±7.24 a | 21.60±2.28 abc | 11.30±2.22 abc | 170.84±13.83 b | 36.93±2.11 d | |
0.8 mg·L-1 2, 4-D | 22.60±4.20 a | 22.80±4.71 a | 10.20±0.85 c | 128.00±13.47 d | 43.70±6.06 ab | |
750倍稀释复合腐殖酸 | 28.60±2.12 a | 22.10±1.95 ab | 12.60±0.66 abc | 164.83±21.92 bc | 48.57±4.16 a | |
330倍稀释2,4-表芸苔素内酯 | 26.86±1.27 ab | 17.60±1.97 bc | 11.80±1.15 abc | 130.00±29.94 d | 41.30±2.85 cd | |
CK | 20.96±2.41 b | 17.00±1.61 c | 10.60±0.92 bc | 136.40±12.81 cd | 40.96±2.95 cd |
Table 7 Effects of plant growth regulators on agronomic traits of potted tobacco
移栽时间/d | 植物生长调节剂 | 鲜重/g | 株高/cm | 主根长/cm | 最大叶面积/cm2 | 叶绿素含量 |
---|---|---|---|---|---|---|
30 | 1.6 mg·L-1 GA3 | 20.50±2.00 a | 13.20±2.00 ab | 8.10±2.00 a | 174.00±4.00 a | 37.60±2.00 a |
0.4 mg·L-1 IAA | 14.20±0.45 b | 14.20±0.10 a | 8.10±1.35 a | 155.50±1.18 ab | 29.45±0.55 c | |
0.4 mg·L-1 NAA | 10.10±3.20 b | 9.60±0.45 bcd | 7.50±1.00 ab | 82.23±34.95 c | 31.70±0.90 c | |
0.8 mg·L-1 2, 4-D | 11.76±5.51 b | 10.50±3.25 bc | 9.30±1.99 a | 100.63±35.03 c | 37.63±1.40 a | |
750倍稀释复合腐殖酸 | 12.13±1.31 b | 11.60±0.75 ab | 7.60±0.35 ab | 92.34±2.12 c | 35.85±0.95 ab | |
330倍稀释2,4-表芸苔素内酯 | 12.20±1.20 b | 6.40±2.89 d | 3.80±0.70 c | 115.50±5.15 bc | 32.23±1.96 bc | |
CK | 10.50±5.78 b | 7.00±1.49 cd | 5.60±0.65 bc | 117.48±41.26 bc | 31.80±3.40 c | |
45 | 1.6 mg·L-1 GA3 | 26.00±1.00 a | 21.70±3.06 a | 11.00±1.50 a | 191.66±33.43 a | 35.27±2.83 b |
0.4 mg·L-1 IAA | 24.53±6.09 a | 22.60±2.61 a | 12.10±1.84 a | 173.36±36.58 ab | 35.87±1.39 b | |
0.4 mg·L-1 NAA | 18.30±5.56 ab | 15.20±0.67 b | 9.10±1.46 a | 113.73±0.46 bc | 35.10±1.87 b | |
0.8 mg·L-1 2, 4-D | 18.50±2.26 ab | 17.40±1.85 b | 9.90±1.95 a | 108.03±47.61 a | 38.30±1.64 ab | |
750倍稀释复合腐殖酸 | 21.60±6.75 ab | 20.80±1.40 a | 10.80±1.37 a | 116.86±27.72 ab | 41.10±3.61 b | |
330倍稀释2,4-表芸苔素内酯 | 20.83±3.18 ab | 17.00±1.01 b | 9.40±1.39 a | 128.10±22.09 ab | 38.67±1.27 ab | |
CK | 15.83±1.43 b | 15.60±0.80 b | 9.10±1.19 a | 118.90±34.31 ab | 35.93±2.13 b | |
60 | 1.6 mg·L-1 GA3 | 28.10±1.82 a | 24.60±2.70 a | 13.70±1.10 a | 210.10±22.68 a | 47.86±0.70 ab |
0.4 mg·L-1 IAA | 26.20±1.48 ab | 25.70±1.40 a | 13.00±1.60 ab | 181.00±2.90 ab | 43.96±0.77 ab | |
0.4 mg·L-1 NAA | 28.83±7.24 a | 21.60±2.28 abc | 11.30±2.22 abc | 170.84±13.83 b | 36.93±2.11 d | |
0.8 mg·L-1 2, 4-D | 22.60±4.20 a | 22.80±4.71 a | 10.20±0.85 c | 128.00±13.47 d | 43.70±6.06 ab | |
750倍稀释复合腐殖酸 | 28.60±2.12 a | 22.10±1.95 ab | 12.60±0.66 abc | 164.83±21.92 bc | 48.57±4.16 a | |
330倍稀释2,4-表芸苔素内酯 | 26.86±1.27 ab | 17.60±1.97 bc | 11.80±1.15 abc | 130.00±29.94 d | 41.30±2.85 cd | |
CK | 20.96±2.41 b | 17.00±1.61 c | 10.60±0.92 bc | 136.40±12.81 cd | 40.96±2.95 cd |
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