Correlation analysis of sugar accumulation and temperature in sugar beet under drip irrigation

doi:10.6048/j.issn.1001-4330.2024.08.011

Abstract

Abstract:

【Objective】 To connect the dots between sugar accumulation and temperature in drip irrigation sugar beet is of great significance for selecting planting areas by predicting sugar content of the year and determining harvest time. 【Methods】 To investigate the dynamic changes of sugar accumulation in 2020 and 2021, analyze the correlation between sugar accumulation and various temperature indicators and explore the correlation between sugar content at harvest of sugar beet in 2018-2022 and various temperature indicators in the key period of rapid sugar accumulation from mid-September to late September, the main sugar beet variety KWS9147 in Xinjiang was used as the test material. 【Results】 The correlation degree between temperature indexes and sugar accumulation was low in July and August. The average temperature, average low temperature, average high temperature, maximum low temperature, stage minimum temperature, accumulated temperature above 10℃and accumulated temperature above 0℃were all negatively correlated with sugar accumulation from September to early October, while the diurnal range, average diurnal range and maximum diurnal range were negatively correlated with sugar accumulation, but not significantly. From mid-September to late September, the average low temperature and maximum low temperature were significantly negatively correlated with sugar content during harvest, the average temperature, average high temperature and stage maximum high temperature were negatively correlated with sugar content, while the average diurnal range and maximum diurnal range were negatively correlated with sugar content. The correlation between accumulated temperature above 10℃and accumulated temperature above 0℃and sugar content was the same as that of average temperature. 【Conclusion】 Among the indexes of temperature, low temperature has more important influence on sugar accumulation and sugar content of beet during harvest.

Key words: sugar beet; drip irrigation; sugar accumulation; temperature; correlation

摘要：

【目的】分析滴灌甜菜糖分积累与温度相关性,对选择种植区域、预测当年含糖率、决定收获时间均具有重要意义。【方法】以新疆主栽甜菜品种KWS9147为材料,2020、2021年调查糖分动态积累变化,研究糖分积累与各温度指标的相关关系,分析2018~2022年5年甜菜收获时含糖率与9月中旬至下旬糖分快速积累关键时期各温度指标的相关关系。【结果】7、8月各温度指标与糖分积累相关程度较低;9~10月上旬平均温度、平均低温、平均高温、最高低温、阶段性低温、≥10℃积温、≥0℃积温均与糖分积累呈显著负相关,日较差、平均日较差、最大日较差与糖分积累呈负相关,但不显著;9月中旬至下旬平均低温、最高低温与收获时甜菜含糖率呈显著负相关,平均温度、平均高温、阶段最高温与含糖率负相关程度较高,平均日较差、最大日较差与含糖率负相关程度较低,≥10℃积温、≥0℃积温基本上均与含糖率相关性同平均温度。【结论】在温度各指标中,低温对甜菜糖分积累和收获期含糖率有重要的影响。

关键词: 甜菜, 滴灌, 糖分积累, 温度, 相关性

CLC Number:

S566.3

HU Huabing, SUN Linlin, LIU Jianxiong, HE Biwei, LIU Xun, HUAN Tin, LI Youfang. Correlation analysis of sugar accumulation and temperature in sugar beet under drip irrigation[J]. Xinjiang Agricultural Sciences, 2024, 61(8): 1916-1925.

胡华兵, 孙琳琳, 刘建雄, 贺碧微, 刘珣, 郇町, 李有芳. 滴灌甜菜糖分积累与温度的相关性分析[J]. 新疆农业科学, 2024, 61(8): 1916-1925.

Figures/Tables 14

References 17

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年份 Year	有机质 Organic matter (g/kg)	碱解氮 Alkali- hydrolyzable nitrogen (mg/kg)	速效磷 Available Phosphorus (mg/kg)	速效钾 Available Potassium (mg/kg)	pH值 pH value
2020	35.99	64.72	31.19	657.51	7.96
2021	44.65	135.05	58.54	672.90	8.10

年份 Year	有机质 Organic matter (g/kg)	碱解氮 Alkali- hydrolyzable nitrogen (mg/kg)	速效磷 Available Phosphorus (mg/kg)	速效钾 Available Potassium (mg/kg)	pH值 pH value
2020	35.99	64.72	31.19	657.51	7.96
2021	44.65	135.05	58.54	672.90	8.10

温度 Temperatures	月份 Month
温度 Temperatures	7	8	9	9~10	7~10
平均温度 Average temperature	-0.069	0.546	-0.822^*	-0.771^*	-0.670^**
平均高温 Average high temperature	0.201	0.533	-0.78	-0.739^*	-0.618^**
阶段最高温 Stage maximum temperature	-0.033	-0.214	-0.518	-0.605	-0.592^**
平均低温 Average low temperature	-0.313	0.49	-0.767	-0.767^*	-0.701^**
阶段最低温 Stage minimum temperature	-0.176	0.623	-0.688	-0.683^*	-0.644^**
最高低温 Maximum low temperature	-0.37	0.034	-0.741	-0.792^*	-0.716^**
日较差 Diurnal range	0.47	-0.224	-0.306	-0.173	0.05
平均日较差 Average Diurnal range	0.484	-0.273	-0.162	-0.253	0.153
最大日较差 Maximum Diurnal range	0.125	-0.578	0.015	-0.194	0.03
≥10℃积温 ≥10℃ Accumulated temperature	-0.069	0.546	-0.822^*	-0.709^*	-0.658^**
≥0℃积温 ≥0℃ Accumulated temperature	-0.069	0.546	-0.822^*	-0.771^*	-0.670^**

温度 Temperatures	月份 Month
温度 Temperatures	7	8	9	9~10	7~10
平均温度 Average temperature	-0.069	0.546	-0.822^*	-0.771^*	-0.670^**
平均高温 Average high temperature	0.201	0.533	-0.78	-0.739^*	-0.618^**
阶段最高温 Stage maximum temperature	-0.033	-0.214	-0.518	-0.605	-0.592^**
平均低温 Average low temperature	-0.313	0.49	-0.767	-0.767^*	-0.701^**
阶段最低温 Stage minimum temperature	-0.176	0.623	-0.688	-0.683^*	-0.644^**
最高低温 Maximum low temperature	-0.37	0.034	-0.741	-0.792^*	-0.716^**
日较差 Diurnal range	0.47	-0.224	-0.306	-0.173	0.05
平均日较差 Average Diurnal range	0.484	-0.273	-0.162	-0.253	0.153
最大日较差 Maximum Diurnal range	0.125	-0.578	0.015	-0.194	0.03
≥10℃积温 ≥10℃ Accumulated temperature	-0.069	0.546	-0.822^*	-0.709^*	-0.658^**
≥0℃积温 ≥0℃ Accumulated temperature	-0.069	0.546	-0.822^*	-0.771^*	-0.670^**

温度 Temperatures	月份 Month
温度 Temperatures	7	8	9	9~10	7~10
平均温度 Average temperature	-0.27	-0.309	-0.933^*	-0.912^*	-0.806^**
平均高温 Average high temperature	-0.286	-0.385	-0.927^*	-0.889^*	-0.795^**
阶段最高温 Stage maximum temperature	-0.843	-0.804	-0.931^*	-0.948**	-0.910^**
平均低温 Average low temperature	-0.155	-0.164	-0.961^**	-0.962^**	-0.799^**
阶段最低温 Stage minimum temperature	0.183	0.142	-0.876	-0.907^*	-0.742^**
最高低温 Maximum low temperature	0.086	-0.271	-0.950^*	-0.959^**	-0.786^**
日较差 Diurnal range	0.51	-0.25	0.016	-0.444	0.043
平均日较差 Average Diurnal range	-0.482	-0.204	-0.075	-0.485	-0.134
最大日较差 Maximum Diurnal range	-0.707	-0.807	0.104	0.232	0.179
≥10℃积温 ≥10℃ Accumulated temperature	-0.27	-0.309	-0.933^*	-0.836^*	-0.763^**
≥0℃积温 ≥0℃ Accumulated temperature	-0.27	-0.309	-0.933^*	-0.912^*	-0.806^**