Hysiological and Biochemical Characteristics of Rice under Mulch Drip Irrigation with Different Water Controlin the Filling Stage

doi:10.6048/j.issn.1001-4330.2022.09.002

Xinjiang Agricultural Sciences ›› 2022, Vol. 59 ›› Issue (9): 2091-2103.DOI: 10.6048/j.issn.1001-4330.2022.09.002

• Cultivation Physiology·Physiology and Biochemistry·Crop Genetics and Breeding·Germplasm Resources • Previous Articles Next Articles

Hysiological and Biochemical Characteristics of Rice under Mulch Drip Irrigation with Different Water Controlin the Filling Stage

PU Shenghai¹^,²^,³(), WANG Zeyu¹^,², DING Feng¹^,², WANG Caifeng⁴, LIU Xiaoli¹^,², MA Xiaopeng¹^,²(), WANG Tao⁵, PENG Yinshuang⁶, LI Yuntong¹

1. Research Institute of Soil， Fertilizer and Agricultural Water Conservation， Xinjiang Academy of Agricultural Sciences， Urumqi 830091， China
2. Key Laboratory of the Ministry of Agriculture in Northwest Oasis Agriculture Environment， Urumqi 830091， China
3. Xinjiang Huier Agricultural Group Co. LTD， Changji Xinjiang 831100， China
4. Center of Agricultural Techniques Extension of Qitai Area，Qitai Xinjiang 831800， China
5. School of Water Conservancy and Architectural Engineering， Shihezi University， Shihezi Xinjiang 832000， China
6. Urumqi Jingcheng Detection Technology Co.，Ltd.， Urumqi 830000， China

Received:2021-12-01 Online:2022-09-20 Published:2023-01-16
Correspondence author: MA Xiaopeng
Supported by:
National Key research and development program(2021YFD1900805);Project of National Natural Science Foundation of China(51569033);Project of Fund for Stable Support to Agricultural Sci-Tech Renovation(xjnkywdzc-2022005)

膜下滴灌水稻生理生化特性对灌浆期控水的响应

蒲胜海¹^,²^,³(), 王则玉¹^,², 丁峰¹^,², 王彩风⁴, 刘小利¹^,², 马晓鹏¹^,²(), 王涛⁵, 彭银双⁶, 李韵同¹

1.新疆农业科学院土壤肥料与农业节水研究所，乌鲁木齐 830091
2.农业农村部西北绿洲农业环境重点实验室，乌鲁木齐 830091
3.新疆慧尔农业集团股份有限公司，新疆昌吉 831100
4.奇台县农业技术推广中心，新疆奇台 831800
5.石河子大学水利建筑工程学院，新疆石河子 832000
6.乌鲁木齐京诚检测技术有限公司，乌鲁木齐 830000

通讯作者: 马晓鹏
作者简介:蒲胜海（1982-），男，重庆垫江人，副研究员，研究方向为水肥资源高效利用，（E-mail）aiqing2008@126.com
基金资助:
国家重点研发计划(2021YFD1900805);国家自然科学基金(51569033);农业科技创新稳定支持项目(xjnkywdzc-2022005)

Abstract

Abstract:

【Objective】 The effect of water control on rice during grain-filling stage was studied in this paper，providing a theoretical support for water-saving rice cultivation in arid areas. 【Methods】 At rice filling stage，three lower limits of irrigation control were set：90% θs （field water-holding capacity），80%θs and 70% θs （marked as W₁，W₂ and W₃，respectively），and conventional flood irrigation was set as control （marked as CK）. The photosynthetic characteristics，protective enzyme activities，osmotic adjustment substances，root activity，yield and water use efficiency of rice under different water conditions were compared. 【Results】 Water controlwould weaken photosynthesis of rice in the filling stage. The results showed that the P_n（net photosynthetic rate），T_r（intercellular carbon dioxide concentration），G_s（stomatal conductance） and C_i（Intercellular carbon dioxide concentration） decreased by 15.12%-72.38%，25.32%-67.59%，5.93%-24.34% and 29.62%-62.61%，respectively. Water control can enhance the enzyme activity of rice antioxidant system in the filling stage. SOD，CAT and POD of W₃ were the highest，which were 77.78%，24.64% and 14.24% higher than those of CK. In the filling stage，the lower the water control limit，the higher the soluble sugar content and proline content，the lower the soluble protein content. The soluble sugar content of W₃ was 1.35-2.32 times of that of other treatments，and the soluble protein content of CK was 6.72%~25.24% higher than that of the three water control treatments. The highest yield of CK was 8 222.12 kg/hm²，which was 16.37%~59.96% higher than that of W₁，W₂ and W₃. Compared with CK，water consumption for W₁，W₂ and W₃ decreased by 56.06%~61.66%，and water use efficiency increased by 38.65%~48.79%. 【Conclusion】 Water control during grain filling period under mulch drip irrigation has a negative effect on physiological and biochemical characteristics and rice quality，and it is not suitable to control water. During the grain filling period，the upper and lower limits of water control were set to 5 cm and 10 cm，respectively，to ensure high quality and high yield of rice.

Key words: water control; rice grain filling; hysiological and biochemical characteristics; yiled; water use efficiency

摘要：

【目的】 研究膜下滴灌水稻叶片生理生化特性和产量对灌浆期控水的响应，为干旱区水稻节水栽培提供理论依据。【方法】 以田间持水率（θs）为参考，水稻灌浆期设置90%θs（W₁）、80% θs（W₂）和70% θs（W₃）的3种不同灌水控制下限，以常规淹灌为对照（CK），研究不同水分条件对水稻的光合特性、保护酶活性、渗透调节物质、根系活力、产量和水分利用效率的影响。【结果】 灌浆期控水会导致水稻的光合作用减弱，与对照（CK）相比，叶片净光合速率（P_n）、蒸腾速率（T_r）、气孔导度（G_s）和胞间CO₂浓度（C_i）分别下降15.12%~72.38%、25.32%~67.59%、5.93%~24.34%和29.62%~62.61%。灌浆期控水可增强水稻抗氧化系统酶活性，W₃的SOD、CAT和POD均最高，比CK依次高出77.78%、24.64%和14.24%。在灌浆期，控水下限越低，可溶性糖含量、脯氨酸含量越高，可溶性蛋白越低；W₃的可溶性糖含量是其他处理的1.35~2.32倍，CK可溶性蛋白含量高出控水处理6.72%~25.24%。CK最高产量为8 222.12 kg/hm²，比W₁、W₂、W₃增产16.37%~59.96%。与CK相比，控水处理耗水量下降56.06%~61.66%，水分利用效率提高38.65%~48.79%。【结论】 膜下滴灌水稻灌浆期控水对水稻的生理生化特性及稻米品质影响负显著，不宜控水，灌浆期灌水上下限分别设为5和10 cm水层，可保证水稻优质高产。

关键词: 水分调控, 水稻灌浆期, 生理生化特性, 产量, 水分利用效率

CLC Number:

S511

PU Shenghai, WANG Zeyu, DING Feng, WANG Caifeng, LIU Xiaoli, MA Xiaopeng, WANG Tao, PENG Yinshuang, LI Yuntong. Hysiological and Biochemical Characteristics of Rice under Mulch Drip Irrigation with Different Water Controlin the Filling Stage[J]. Xinjiang Agricultural Sciences, 2022, 59(9): 2091-2103.

蒲胜海, 王则玉, 丁峰, 王彩风, 刘小利, 马晓鹏, 王涛, 彭银双, 李韵同. 膜下滴灌水稻生理生化特性对灌浆期控水的响应[J]. 新疆农业科学, 2022, 59(9): 2091-2103.

Figures/Tables 10

References 40

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处理 Treatment	灌溉标准 Irrigation limit	苗期 Seedling Stage	分蘖期 Tilling stage	拔节期 Jointing stage	灌浆期 Filling stage	成熟期 Maturity stage
W₁	灌水下限（θs）	0.90	0.75	0.90	0.90	0.70
W₁	灌水上限（θs）	1.00	1.00	1.00	1.00	1.00
W₂	灌水下限（θs）	0.90	0.75	0.90	0.80	0.70
W₂	灌水上限（θs）	1.00	1.00	1.00	1.00	1.00
W₃	灌水下限（θs）	0.90	0.75	0.9	0.70	0.70
W₃	灌水上限（θs）	1.00	1.00	1.00	1.00	1.00
CK	灌水下限（cm）	0	5	5	5	0
CK	灌水上限（cm）	5	10	10	10	5

处理 Treatment	灌溉标准 Irrigation limit	苗期 Seedling Stage	分蘖期 Tilling stage	拔节期 Jointing stage	灌浆期 Filling stage	成熟期 Maturity stage
W₁	灌水下限（θs）	0.90	0.75	0.90	0.90	0.70
W₁	灌水上限（θs）	1.00	1.00	1.00	1.00	1.00
W₂	灌水下限（θs）	0.90	0.75	0.90	0.80	0.70
W₂	灌水上限（θs）	1.00	1.00	1.00	1.00	1.00
W₃	灌水下限（θs）	0.90	0.75	0.9	0.70	0.70
W₃	灌水上限（θs）	1.00	1.00	1.00	1.00	1.00
CK	灌水下限（cm）	0	5	5	5	0
CK	灌水上限（cm）	5	10	10	10	5

参数 Parameter	P_n	G_s	C_i	T_r
P_n	1.00	0.62*	-0.71**	0.49*
G_s		1.00	-0.03	0.57**
C_i			1.00	0.08
T_r				1.00

参数 Parameter	P_n	G_s	C_i	T_r
P_n	1.00	0.62*	-0.71**	0.49*
G_s		1.00	-0.03	0.57**
C_i			1.00	0.08
T_r				1.00

年份 Years	处理 Treatment	有效穗数Effective panicle （穗/m²）	穗粒数 Grain Number per spike	千粒重 1000-grain weight（g）	结实率 Seed setting rate（%）	处理 Yield （kg/hm²）	ET （mm）	WUE （kg/（mm·hm²））
2018	W₁	484.69±32.46^bc	121.66±14.21^a	21.04±0.91^a	73.96±2.10^a	7 018.06±260.31^a	1 438.66±35.44^b	4.88±0.08^a
	W₂	543.87±45.61^b	109.04±10.42^a	19.22±0.60^b	67.83±2.50^b	6 053.73±275.69^b	1 338.44±34.84^b	4.52±0.13^b
	W₃	502.54±20.77^b	113.94±2.34^a	18.20±0.70^b	63.89±2.71^c	5 042.92±178.50^c	1 209.65±43.03^c	4.17±0.02^c
	CK	604.57±22.77^a	128.05±9.52^a	25.77±1.07^a	80.27±6.21^a	8 228.01±296.54^a	3 279.71±26.97^a	2.51±0.11^d
2019	W₁	490.77±8.40^b	125.34±5.82^ab	22.07±1.02^b	74.58±0.96^b	7 113.48±94.16^b	1 412.84±22.36^b	5.04±0.14^a
	W₂	508.29±31.87^b	114.68±8.42^b	19.14±0.42^c	68.95±1.41^c	6 195.35±181.73^c	1 384.77±45.61^b	4.47±0.049^b
	W₃	480.07±19.72^b	110.34±8.11^b	18.39±0.53^c	64.83±1.48^c	5 237.49±283.88^c	1 278.54±21.68^b	4.10±0.29^c
	CK	589.47±10.40^a	129.67±4.04^a	24.25±1.55^a	79.22±2.66^a	8 216.22±111.21^a	3 209.83±157.43^a	2.57±0.16^d

Hysiological and Biochemical Characteristics of Rice under Mulch Drip Irrigation with Different Water Controlin the Filling Stage

膜下滴灌水稻生理生化特性对灌浆期控水的响应

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References 40

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参数 Parameter	有效穗数 Effective panicle number	穗粒数 Grain number per spike	千粒重 1000-grain weight	结实率 Seed setting rate	产量 Yield	耗水量 ET
有效穗数 Effective panicle number	1	0.53	0.69*	0.68*	0.74**	0.91**
穗粒数 Grain number per spike		1	0.81**	0.72**	0.78**	0.63*
千粒重 1000-grain weight			1	0.88**	0.91**	0.80**
结实率 Seed setting rate				1	0.98**	0.77**
产量 Yield					1	0.82**
耗水量ET						1

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