欠量灌溉供水率胁迫强度与玉米产量的规律分析

doi:10.6048/j.issn.1001-4330.2022.01.009

新疆农业科学 ›› 2022, Vol. 59 ›› Issue (1): 70-78.DOI: 10.6048/j.issn.1001-4330.2022.01.009

• 作物遗传育种·分子遗传学·耕作栽培·种质资源 • 上一篇下一篇

欠量灌溉供水率胁迫强度与玉米产量的规律分析

谢小清(), 唐怀君, 张磊, 孙宝成, 刘成()

新疆农业科学院粮食作物研究所,乌鲁木齐 830091

收稿日期:2021-01-21 出版日期:2022-01-20 发布日期:2022-02-18
通信作者: 刘成
作者简介:谢小清(1987-),女,四川人,助理研究员,研究方向为粮食作物抗旱性,(E-mail) 472030054@qq.com
基金资助:
国家重点研发计划“玉米种质资源精准鉴定与创新利用”(2016YFD0100103);新疆农业科学院青年基金“玉米杂交种抗旱性与欠量灌水量的理论关系研究”(xjnkq-2018005);新疆农业科学院青年科技骨干创新能力培养项目(xjnkq-2020010);江苏省作物基因组学和分子育种重点实验室开放课题(PL202002)

Study on the Theoretical Model of Watering Ratio and Drought Resistance under Proportional Irrigation of Maize

XIE Xiaoqing(), TANG Huaijun, ZHANG Lei, SUN Baocheng, LIU Cheng()

Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China

Received:2021-01-21 Online:2022-01-20 Published:2022-02-18
Correspondence author: LIU Cheng
Supported by:
The National Key Research and Development Program of China “accurate identification and innovative utilization of maize germplasm resources”(2016YFD0100103);Xinjiang Academy of Agricultural Sciences Youth Foundation Project “Theoretical relationship between drought tolerance of Maize Hybrids and water amount of under deficit irrigation”(xjnkq-2018005);The Youth Sciences and Technology Backbone Innovation Ability Training Project of Agricultural Sciences(xjnkq-2020010);Open Project of the Key Laboratory of Crop Genomics and Molecular Breeding in Jiangsu Province(PL202002)

摘要/Abstract

摘要：

【目的】研究和建立供水率与抗旱性的理论关系模型,为欠量灌溉玉米抗旱性精准鉴定提供理论依据。【方法】2017~2019年选择12个杂交种,设置6个水分梯度的欠量胁迫处理,各处理区全程灌水8次,出苗水均为675 m³/hm²,其余的7次灌水量按照100%、80%、60%、40%、20%和0%比例减少,以形成不同的干旱胁迫强度;在缺次灌溉模型的基础上等价变换和推导,建立欠量灌溉模型,并对模型进行验证。【结果】供水率与玉米抗旱性关系的理论模型γ= Φ^k/(Φ^k + $Φ h k$ ),该模型能描述玉米杂交种的抗旱系数(γ)随供水率(Φ)变化的幂饱和曲线。 12个玉米杂交种的抗旱系数计算值与实际测定值间的相关系数为0.973~0.995(平均0.987),达到了极显著水平 (P_0.01=0.917);模型拟合得出的残差预测偏差RPD值为3.914~9.485,均大于3.0,拟合效果良好。【结论】建立的欠量供水率与玉米抗旱性的模型可用于玉米抗旱性的精准鉴定;其中,半产供水率Φ_h和水分敏感系数k均具有明确的生物学意义,是玉米抗旱性的两个重要指标,2者数值均小的品种具有相对稳定的抗旱性。

关键词: 欠量灌溉; 抗旱性; 供水率; 关系模型; 玉米杂交种

Abstract:

【Objective】 To research and establish a theoretical model of the relationship between watering ratio and drought resistance in the hope of providing a theoretical basis for accurate identification of drought resistance under the condition of proportional irrigation of corn. 【Methods】 From 2017 to 2019, 12 hybrids were treated with 6 water gradients under the condition of reducing the proportion of irrigation. Each treatment area was irrigated 8 times in the whole process. The watering for emergence was 675 m³/hm², and the water for the remaining 7 times was reduced according to the proportion of 100%, 80%, 60%, 40%, 20% and 0% to form different drought stress intensity. Based on the equivalent transformation and derivation of the lack irrigation model, the proportional of irrigation model was established. The model was validated with the results of 3 years of experiments. 【Results】 A theoretical model of the relationship between water supply rate and corn drought resistance was established, and the model was γ= Φ ^k (Φ^k + $Φ h k$ ), which could describe maize hybrid in nonlinear power exponential saturation curve drought resistant coefficient (γ) changing with watering ratio(Φ). After being fitted and verified, the correlation coefficient between the predicted value and the actual value of 12 corn hybrids was 0.973-0.995 (mean 0.987), and the fitting reached an extremely significant level (P <0.01, 0.917). The RPD value of residual prediction deviation fitted by the model was 3.914-9.485, which was greater than 3.0, which meant the model was a good fitting. 【Conclusion】 The model of watering ratio and drought resistance of maize hybrid can be used in the precise identification of maize drought resistance under proportional irrigation. The parameters, half-yield watering ratio (Φ_h) and water sensitive coefficient (k) have definite biological significance, which are two important indexes of maize drought resistance. Maize varieties with small values of two parameters have relatively stable drought resistance.

Key words: proportional irrigation; drought resistance; watering ratio; relation model; hybrid

中图分类号:

S513

谢小清, 唐怀君, 张磊, 孙宝成, 刘成. 欠量灌溉供水率胁迫强度与玉米产量的规律分析[J]. 新疆农业科学, 2022, 59(1): 70-78.

XIE Xiaoqing, TANG Huaijun, ZHANG Lei, SUN Baocheng, LIU Cheng. Study on the Theoretical Model of Watering Ratio and Drought Resistance under Proportional Irrigation of Maize[J]. Xinjiang Agricultural Sciences, 2022, 59(1): 70-78.

图/表 9

参考文献 19

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生育期 Growth Stage	水分处理 Water Treat. (m³/ hm²)
生育期 Growth Stage	T₁(0%)	T₂(20%)	T₃(40%)	T₄(60%)	T₅(80%)	T₆(100%)
播种期 Sowing	675	675	675	675	675	675
拔节期 Jointing	0	135	270	405	540	675
喇叭口 Trumpet	0	135	270	405	540	675
开花期 Flowering	0	135	270	405	540	675
灌浆初期 Early Grouting	0	135	270	405	540	675
灌浆中期 Middle Grouting	0	135	270	405	540	675
灌浆后期 Later Grouting	0	135	270	405	540	675
灌浆末期 Final Grouting	0	135	270	405	540	675
总灌水量 Total Irrigated	675	1 620	2 565	3 510	4 455	5 400

生育期 Growth Stage	水分处理 Water Treat. (m³/ hm²)
生育期 Growth Stage	T₁(0%)	T₂(20%)	T₃(40%)	T₄(60%)	T₅(80%)	T₆(100%)
播种期 Sowing	675	675	675	675	675	675
拔节期 Jointing	0	135	270	405	540	675
喇叭口 Trumpet	0	135	270	405	540	675
开花期 Flowering	0	135	270	405	540	675
灌浆初期 Early Grouting	0	135	270	405	540	675
灌浆中期 Middle Grouting	0	135	270	405	540	675
灌浆后期 Later Grouting	0	135	270	405	540	675
灌浆末期 Final Grouting	0	135	270	405	540	675
总灌水量 Total Irrigated	675	1 620	2 565	3 510	4 455	5 400

处理 Treat	2017年				2018年				2019年
处理 Treat	人工供水量 Total irrigation amount	自然供水量 Rainfall amount	供水总量 Total water amount	供水率 Total watering ratio	人工供水量 Total irrigation amount	自然供水量 Rainfall amount	供水总量 Total water amount	供水率 Total watering ratio	人工供水量 Total irrigation amount	自然供水量 Rainfall amount	供水总量 Total water amount	供水率 Total watering ratio
T₁	870	1 057	1 928	0.30	675	660	1 335	0.22	750	642	1 392	0.19
T₂	1 770	1 057	2 828	0.44	1 620	660	2 280	0.38	1 950	642	2 592	0.35
T₃	2 670	1 057	3 728	0.58	2 565	660	3 225	0.53	3 150	642	3 792	0.51
T₄	3 570	1 057	4 628	0.72	3 510	660	4 170	0.69	4 350	642	4 992	0.68
T₅	4 470	1 057	5 528	0.86	4 455	660	5 115	0.84	5 550	642	6 192	0.84
T₆	5 370	1 057	6 428	1.00	5 400	660	6 060	1.00	6 750	642	7 392	1.00

处理 Treat	2017年				2018年				2019年
处理 Treat	人工供水量 Total irrigation amount	自然供水量 Rainfall amount	供水总量 Total water amount	供水率 Total watering ratio	人工供水量 Total irrigation amount	自然供水量 Rainfall amount	供水总量 Total water amount	供水率 Total watering ratio	人工供水量 Total irrigation amount	自然供水量 Rainfall amount	供水总量 Total water amount	供水率 Total watering ratio
T₁	870	1 057	1 928	0.30	675	660	1 335	0.22	750	642	1 392	0.19
T₂	1 770	1 057	2 828	0.44	1 620	660	2 280	0.38	1 950	642	2 592	0.35
T₃	2 670	1 057	3 728	0.58	2 565	660	3 225	0.53	3 150	642	3 792	0.51
T₄	3 570	1 057	4 628	0.72	3 510	660	4 170	0.69	4 350	642	4 992	0.68
T₅	4 470	1 057	5 528	0.86	4 455	660	5 115	0.84	5 550	642	6 192	0.84
T₆	5 370	1 057	6 428	1.00	5 400	660	6 060	1.00	6 750	642	7 392	1.00

年份 Year	处理 Treat	供水率Φ Watering ratio	各品种的单株产量 Yield of hybrid(g/plant)
2017			新玉67号	新玉69号
	T₁	0.30	141.2	138.8
	T₂	0.44	201.4	179.1
	T₃	0.58	224.6	187.1
	T₄	0.72	256.0	202.6
	T₅	0.86	256.5	203.2
	T₆	1.00	256.5	203.3
2018			新玉9号	新玉24号	新玉38号	新玉54号	张玉1233
	T₁	0.22	58.0	18.3	60.3	74.4	56.4
	T₂	0.38	83.8	80.1	152.4	116.1	158.3
	T₃	0.53	94.4	128.0	186.2	138.8	193.2
	T₄	0.69	115.4	195.3	194.8	158.9	193.2
	T₅	0.84	119.5	206.5	230.0	148.9	224.0
	T₆	1.00	123.3	238.9	268.3	168.7	235.0
2019			新玉23号	新玉46号	新玉60号	先玉335	郑单958
	T₁	0.19	20.7	18.6	4.5	47.9	12.5
	T₂	0.35	51.5	63.2	47.7	111.5	47.8
	T₃	0.51	123.5	143.5	106.9	187.6	126.9
	T₄	0.68	187.5	183.0	187.4	228.9	179.8
	T₅	0.84	248.2	224.3	257.0	256.9	230.9
	T₆	1.00	247.1	234.9	256.4	267.5	233.8

欠量灌溉供水率胁迫强度与玉米产量的规律分析

Study on the Theoretical Model of Watering Ratio and Drought Resistance under Proportional Irrigation of Maize

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图/表 9

参考文献 19

相关文章 15

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Metrics

年份 Year	材料名称 Hybrid	模型参数Parameters		计算值与实际值的相关系数 Correl. of estimation and actual	残差预测偏差 RPD Residual prediction deviation
年份 Year	材料名称 Hybrid	Φ_h	k	计算值与实际值的相关系数 Correl. of estimation and actual	残差预测偏差 RPD Residual prediction deviation
2017	新玉67号	0.285	3.29	0.987	5.42
2017	新玉69号	0.238	3.35	0.990	6.34
2018	新玉9号	0.246	2.09	0.973	3.91
	新玉24号	0.476	3.54	0.992	7.43
	新玉38号	0.363	2.26	0.974	4.18
	新玉54号	0.251	2.16	0.983	5.21
	张玉1233	0.313	2.87	0.986	5.75
2019	新玉23号	0.497	4.51	0.991	6.40
	新玉46号	0.455	3.83	0.995	9.49
	新玉60号	0.531	5.04	0.991	6.59
	先玉335	0.374	2.99	0.992	7.23
	郑单958	0.488	4.49	0.995	8.84
Minimum		0.238	2.09	0.973	3.91
Maximum		0.531	5.04	0.995	9.49
Mean		0.376	3.37	0.987	6.40

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