Effects of L-ascorbic Selenite Immersion on Seed Germination of Sugar Beet Under Salt Stress

doi:10.11924/j.issn.1000-6850.casb2024-0044

Abstract

Abstract:

The purpose of this experiment is to investigate the effects of different concentrations of L-ascorbic acid treatment on the germination of 'TD802' sugar beet single-seed under salt stress conditions, with the aim of screening for suitable priming agents for sugar beet seeds. In the experiment, a 100 mmol/L NaCl solution was used to simulate a salt stress environment, and three concentrations of L-ascorbic acid solution were selected to treat the sugar beet seeds at three different soaking durations. The effectiveness of each treatment was evaluated by directly measuring indicators such as the germination potential rate of the treated seeds. The results indicated that for the 'TD802' sugar beet seeds treated under salt stress, the seed viability indicators after 8 hours of soaking treatment were generally better than those after 16 hours and 24 hours of soaking. Among them, the effect of soaking with a 300 mg/L L-ascorbic acid solution for 8 hours was the most significant. Compared with the control group (CK), its germination potential rate, germination index, and vigor index increased by 74.33%, 20.33%, 48.6%, and 102.97% respectively, while the electrical conductivity decreased by 113.56%.

Key words: beets, seed priming, salt stress, L-ascorbic acid, germination potential rate

TIAN Qinyu, HU Huabing, WANG Ronghua, WANG Maoqian. Effects of L-ascorbic Selenite Immersion on Seed Germination of Sugar Beet Under Salt Stress[J]. Chinese Agricultural Science Bulletin, 2025, 41(6): 53-59.

Figures/Tables 8

References 23

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处理编号	引发组合	处理时间/h	电导率/%
CK	0mg/L	0	179.70±7.35e
1	100 mg/L	8	69.80±0.61d
2	100 mg/L	16	45.40±2.86c
3	100 mg/L	24	32.20±0.89a
4	200 mg/L	8	45.33±4.29c
5	200 mg/L	16	41.00±1.01bc
6	200 mg/L	24	34.97±0.90ab
7	300 mg/L	8	66.14±0.74d
8	300 mg/L	16	48.22±1.11c
9	300 mg/L	24	35.47±1.20ab

处理编号	引发组合	处理时间/h	电导率/%
CK	0mg/L	0	179.70±7.35e
1	100 mg/L	8	69.80±0.61d
2	100 mg/L	16	45.40±2.86c
3	100 mg/L	24	32.20±0.89a
4	200 mg/L	8	45.33±4.29c
5	200 mg/L	16	41.00±1.01bc
6	200 mg/L	24	34.97±0.90ab
7	300 mg/L	8	66.14±0.74d
8	300 mg/L	16	48.22±1.11c
9	300 mg/L	24	35.47±1.20ab