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

冯彩军, 宋瑞娇, 宋凌宇, 张松, 齐军仓

Effects of 2, 4-Epbrassinolide Soaking on Seed Germination and Physiological Characteristics of Barley Seedlings under Drought Stress

FENG Caijun, SONG Ruijiao, SONG Lingyu, ZHANG Song, QI Juncang

表1 不同浓度芸苔素内酯浸种下干旱胁迫下大麦种子萌发变化

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