Calcium Nitrate and Magnesium Sulfate Combination: Effect on Sugarbeet Seed Germination

doi:10.11924/j.issn.1000-6850.casb2020-0529

Abstract

Abstract:

To determine the priming effect of different concentrations of calcium nitrate and magnesium sulfate combination on sugarbeet seeds, and provide a basis for the selection of sugarbeet seed coating agent materials, the seeds of TD802 sugarbeet were used as experimental materials, twelve initiator combinations were set up, and the germination potential, germination rate, germination index and vigor index were determined by soaking and drying the beet seeds. The results showed that the indexes of treatment 1-3 were higher than those of the control, the germination potential (88.33%) and germination index (35.42) of treatment 2 were the highest, and the germination rate (91.33%) and vigor index (206.09) of treatment 3 were the highest. The indexes of treatment 4-6 were higher than those of the control, among which, treatment 6 (germination potential 93.00%, germination rate 91.33%, germination index 47.53, and vigor index 166.88) had the best effect. The indexes of treatment 7-9 were higher than those of the control, among which, treatment 7 had higher germination potential (88%), germination rate (91.33%) and germination index (36.33), treatment 9 had higher vitality index (211.23). The indexes of treatment 10-12 were generally lower than those of control. In general, the effects of different concentrations of calcium nitrate and magnesium sulfate combination on sugarbeet seed priming are different, treatment 1-9 all promote sugarbeet seed priming, among which, treatment 6 has the best priming effect, while treatment 10-12 inhibit sugarbeet seed priming.

Key words: sugarbeet, calcium nitrate, seed, magnesium sulfate, seed priming, seed coating agent

CLC Number:

S566.3

Liu Zhaoyang, Wang Ronghua, Wang Weicheng, Liu Xiaoyue, Liu Na, Liu Xiaohan, Liu Dali, Wu Zedong, Wang Maoqian. Calcium Nitrate and Magnesium Sulfate Combination: Effect on Sugarbeet Seed Germination[J]. Chinese Agricultural Science Bulletin, 2021, 37(14): 21-26.

Figures/Tables 9

References 26

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处理编号	引发组合	处理编号	引发组合	处理编号	引发组合
处理1	0.1 g/L硝酸钙+0.1 g/L硫酸镁	处理5	0.5 g/L硝酸钙+0.5 g/L硫酸镁	处理9	1 g/L硝酸钙+1 g/L硫酸镁
处理2	0.1 g/L硝酸钙+0.5 g/L硫酸镁	处理6	0.5 g/L硝酸钙+1 g/L硫酸镁	处理10	1.5 g/L硝酸钙+0.1 g/L硫酸镁
处理3	0.1 g/L硝酸钙+1 g/L硫酸镁	处理7	1 g/L硝酸钙+0.1 g/L硫酸镁	处理11	1.5 g/L硝酸钙+0.5 g/L硫酸镁
处理4	0.5 g/L硝酸钙+0.1 g/L硫酸镁	处理8	1 g/L硝酸钙+0.5 g/L硫酸镁	处理12	1.5 g/L硝酸钙+1 g/L硫酸镁

处理编号	引发组合	处理编号	引发组合	处理编号	引发组合
处理1	0.1 g/L硝酸钙+0.1 g/L硫酸镁	处理5	0.5 g/L硝酸钙+0.5 g/L硫酸镁	处理9	1 g/L硝酸钙+1 g/L硫酸镁
处理2	0.1 g/L硝酸钙+0.5 g/L硫酸镁	处理6	0.5 g/L硝酸钙+1 g/L硫酸镁	处理10	1.5 g/L硝酸钙+0.1 g/L硫酸镁
处理3	0.1 g/L硝酸钙+1 g/L硫酸镁	处理7	1 g/L硝酸钙+0.1 g/L硫酸镁	处理11	1.5 g/L硝酸钙+0.5 g/L硫酸镁
处理4	0.5 g/L硝酸钙+0.1 g/L硫酸镁	处理8	1 g/L硝酸钙+0.5 g/L硫酸镁	处理12	1.5 g/L硝酸钙+1 g/L硫酸镁

处理编号	引发组合	处理时间	5 d发芽势/%	7 d发芽率/%	发芽指数	活力指数
处理1	0.1 g/L硝酸钙+0.1 g/L硫酸镁	16+6h	85±3.46	90.67±1.53	33.16±1.35	196.67±7.36
处理2	0.1 g/L硝酸钙+0.3 g/L硫酸镁	16+6h	88.33±2.31	91±2.65	35.42±0.76	198.75±23.02
处理3	0.1 g/L硝酸钙+0.5 g/L硫酸镁	16+6h	86.67±0.58	91.33±3.06	35.02±3.15	206.09±25.33
CK	TD802	0	82±2	89.67±2.51	26.75±1.03	189.21±2.22

处理编号	引发组合	处理时间	5 d发芽势/%	7 d发芽率/%	发芽指数	活力指数
处理1	0.1 g/L硝酸钙+0.1 g/L硫酸镁	16+6h	85±3.46	90.67±1.53	33.16±1.35	196.67±7.36
处理2	0.1 g/L硝酸钙+0.3 g/L硫酸镁	16+6h	88.33±2.31	91±2.65	35.42±0.76	198.75±23.02
处理3	0.1 g/L硝酸钙+0.5 g/L硫酸镁	16+6h	86.67±0.58	91.33±3.06	35.02±3.15	206.09±25.33
CK	TD802	0	82±2	89.67±2.51	26.75±1.03	189.21±2.22

处理编号	引发组合	处理时间/h	5 d发芽势/%	7 d发芽率/%	发芽指数	活力指数
处理4	0.5 g/L硝酸钙+0.1 g/L硫酸镁	16+6	90.67±4.04	92.67±2.89	44.27±0.81	304.87±11.37
处理5	0.5 g/L硝酸钙+0.3 g/L硫酸镁	16+6	92.00±1.73	92.33±1.15	44.51±1.96	320.36±25.72
处理6	0.5 g/L硝酸钙+0.5 g/L硫酸镁	16+6	93.00±2.65	93.67±2.52	47.53±4.15	356.09±35.86
CK	TD802	0	82±2	89.67±2.51	26.75±1.03	189.21±2.22