Xinjiang Agricultural Sciences ›› 2023, Vol. 60 ›› Issue (2): 309-316.DOI: 10.6048/j.issn.1001-4330.2023.02.007
• Crop Genetics and Breeding·Cultivation Physiology·Germplasm Resources·Physiology and Biochemistry • Previous Articles Next Articles
FENG Caijun(), SONG Ruijiao, SONG Lingyu, ZHANG Song, QI Juncang(
)
Online:
2023-02-20
Published:
2023-03-31
Correspondence author:
QI Juncang (1971-), male, born in Baoji, Shaanxi Province, Professor, Ph.D., research direction: barley genetics, breeding and cultivation, (E-mail) shzqjc@qq.com
Supported by:
通讯作者:
齐军仓(1971-),男,陕西宝鸡人,教授,研究方向为大麦遗传育种与栽培,(E-mail)shzqjc@qq.com
作者简介:
冯彩军(1995-),女,甘肃永靖人,硕士,研究方向为种子生理学,(E-mail)2860405030@qq.com
基金资助:
CLC Number:
FENG Caijun, SONG Ruijiao, SONG Lingyu, ZHANG Song, QI Juncang. Effects of 2, 4-Epbrassinolide Soaking on Seed Germination and Physiological Characteristics of Barley Seedlings under Drought Stress[J]. Xinjiang Agricultural Sciences, 2023, 60(2): 309-316.
冯彩军, 宋瑞娇, 宋凌宇, 张松, 齐军仓. 2,4-表芸苔素内酯浸种对干旱胁迫下大麦种子萌发及幼苗生理特性的影响[J]. 新疆农业科学, 2023, 60(2): 309-316.
芸苔素 内酯浓度 BLconcen tration (μg/L) | 发芽率 Germination rate (%) | 发芽势 Germination rate (%) | 发芽指数 Germination potential (%) |
---|---|---|---|
CK | 97.33±1.53a | 97.33±1.53a | 153.71±5.79a |
0 | 48.67±3.51de | 22.00±2.65c | 46.04±4.47d |
5 | 65.33±3.21c | 32.00±1.00b | 57.92±1.93c |
25 | 80.67±3.21b | 29.33±3.21bc | 68.00±6.06b |
50 | 59.33±5.03cd | 28.67±1.53bc | 52.44±2.12cd |
100 | 70.67±4.16bc | 21.33±2.52c | 53.88±5.51cd |
200 | 38.00±2.65e | 10.67±1.53d | 27.70±1.62e |
Table 1 Effect of different BL concentration on barley seed germination under drought stress
芸苔素 内酯浓度 BLconcen tration (μg/L) | 发芽率 Germination rate (%) | 发芽势 Germination rate (%) | 发芽指数 Germination potential (%) |
---|---|---|---|
CK | 97.33±1.53a | 97.33±1.53a | 153.71±5.79a |
0 | 48.67±3.51de | 22.00±2.65c | 46.04±4.47d |
5 | 65.33±3.21c | 32.00±1.00b | 57.92±1.93c |
25 | 80.67±3.21b | 29.33±3.21bc | 68.00±6.06b |
50 | 59.33±5.03cd | 28.67±1.53bc | 52.44±2.12cd |
100 | 70.67±4.16bc | 21.33±2.52c | 53.88±5.51cd |
200 | 38.00±2.65e | 10.67±1.53d | 27.70±1.62e |
处理 Treatments BL(μg/L) | 芽鲜重(20株) Bud fresh weight (20 plants) (g) | 根鲜重(20株) Root fresh weight (20 plants) (g) | 芽干重(20株) Bud dry weight (20 plants) (g) | 根干重(20株) Root dry weight (20 plants) (g) | 根冠比(20株) Root shoot ratio (20 plants) (%) |
---|---|---|---|---|---|
CK | 2.636±0.058a | 0.221±0.009a | 1.475±0.102a | 0.149±0.013a | 67.547±7.681d |
0 | 0.356±0.017c | 0.068±0.004c | 0.576±0.014bc | 0.082±0.002bc | 120.921±6.65b |
5 | 0.356±0.003c | 0.070±0.002c | 0.537±0.005bc | 0.081±0.001bc | 115.516±5.145bc |
25 | 0.437±0.022b | 0.080±0.003b | 0.617±0.028b | 0.085±0.005b | 107.232±7.995c |
50 | 0.365±0.079bc | 0.071±0.004c | 0.564±0.05bc | 0.082±0.003bc | 116.813±2.965bc |
100 | 0.370±0.013bc | 0.070±0.002c | 0.536±0.017bc | 0.080±0.001bc | 115.283±2.664bc |
200 | 0.281±0.015d | 0.055±0.004d | 0.522±0.031c | 0.073±0.003c | 133.965±7.366a |
Table 2 Effect of different BL concentration on barley seedling biomass under drought stress
处理 Treatments BL(μg/L) | 芽鲜重(20株) Bud fresh weight (20 plants) (g) | 根鲜重(20株) Root fresh weight (20 plants) (g) | 芽干重(20株) Bud dry weight (20 plants) (g) | 根干重(20株) Root dry weight (20 plants) (g) | 根冠比(20株) Root shoot ratio (20 plants) (%) |
---|---|---|---|---|---|
CK | 2.636±0.058a | 0.221±0.009a | 1.475±0.102a | 0.149±0.013a | 67.547±7.681d |
0 | 0.356±0.017c | 0.068±0.004c | 0.576±0.014bc | 0.082±0.002bc | 120.921±6.65b |
5 | 0.356±0.003c | 0.070±0.002c | 0.537±0.005bc | 0.081±0.001bc | 115.516±5.145bc |
25 | 0.437±0.022b | 0.080±0.003b | 0.617±0.028b | 0.085±0.005b | 107.232±7.995c |
50 | 0.365±0.079bc | 0.071±0.004c | 0.564±0.05bc | 0.082±0.003bc | 116.813±2.965bc |
100 | 0.370±0.013bc | 0.070±0.002c | 0.536±0.017bc | 0.080±0.001bc | 115.283±2.664bc |
200 | 0.281±0.015d | 0.055±0.004d | 0.522±0.031c | 0.073±0.003c | 133.965±7.366a |
Fig.2 Effects of different concentrations of BL on relative water content, electrical conductivity and malondialdehyde content in roots and buds of barley under drought stress
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