乙烯利-甜菜碱-水杨酸合剂对夏玉米耐热性和产量的调控效应

doi:10.3724/SP.J.1006.2025.33074

Abstract

Abstract:

High-temperature stress has become a major constraint on summer maize production in the North China Plain (NCP). Enhancing maize heat tolerance is therefore essential for ensuring stable yields in this region. This study investigated the effects of an ethephon-glycine betaine-salicylic acid (EGS) mixture on the thermal response, morphological traits, and yield of summer maize, as well as the underlying mechanisms. Two maize hybrids, Zhengdan 958 (ZD958) and Yudan 9953 (YD9953), were evaluated using a randomized block design with three treatments: normal temperature (CK), high-temperature stress (HT), and high-temperature stress with chemical treatment (TR). For the TR treatment, EGS was applied via foliar spraying at the V6 growth stage, while water was sprayed in the CK and HT treatments. In 2021, high-temperature stress was imposed during the V8, V12, and VT stages, whereas in 2022, stress occurred at the V9 and VT stages. The results showed that compared to CK, HT treatment had no significant effect on plant height or ear height, but reduced leaf area by 3.6%. Under TR treatment, plant height, ear height, and leaf area decreased by 10.9%, 11.9%, and 7.3% relative to CK, respectively. However, TR treatment increased the leaf net photosynthetic rate by 6.3% and 16.8% compared to CK and HT, respectively. TR also improved leaf heat tolerance, enhanced dry matter accumulation, and stimulated root development under high-temperature stress. Specifically, TR treatment increased leaf SOD activity, POD activity, soluble protein content, plant biomass, and root biomass by 6.6%, 17.5%, 15.2%, 11.0%, and 16.3%, respectively, compared to HT. Additionally, the grain yield of ZD958 and YD9953 under TR treatment was comparable to CK but increased by 14.8% and 14.2%, respectively, compared to HT. Correlation and regression analyses further revealed that yield was closely associated with plant and root biomass. In conclusion, foliar application of the EGS mixture enhanced canopy biomass production and root development under high-temperature stress, mitigating yield losses. This provides a promising strategy for improving heat tolerance and sustaining maize yields in the NCP.

Key words: ethephon betaine salicylic acid mixture, summer maize, high-temperature stress, heat resistance, grain yield

MENG Fan-Qi, FANG Meng-Ying, LUO Yi, LU Lin, DONG Xue-Rui, WANG Ya-Fei, GUO Li-Na, YAN Peng, DONG Zhi-Qiang, ZHANG Feng-Lu. Effect of ethephon betaine salicylic acid mixture on heat resistance and yield of summer maize[J].Acta Agronomica Sinica, 2025, 51(5): 1299-1311.

Figures/Tables 11

Fig. 1

Fig. 2

Fig. 3

Table 1

Fig. 4

Table 2

Table 3

Fig. 5

Table 4

Table 5

Fig. 6

References 36

[1]	张健. 河南省玉米生产效率及影响因素分析. 河南农业大学硕士学位论文, 河南郑州, 2022.
	Zhang J. Analysis of Maize Production Efficiency and Its Influencing Factors in Henan Province. MS Thesis of Henan Agricultural University, Zhengzhou, Henan, China, 2022 (in Chinese with English abstract).
[2]	付真真, 祝光欣, 刘志娟, 郭世博, 李娥, 杨晓光. 气候变化背景下中国玉米产区开花期高温时空分布特征. 中国农业科学, 2023, 56: 2686-2700. doi: 10.3864/j.issn.0578-1752.2023.014.005
	Fu Z Z, Zhu G X, Liu Z J, Guo S B, Li E, Yang X G. Spatial- temporal variations of high temperature during flowering period in maize-producing areas of China under climate change. Sci Agric Sin, 2023, 56: 2686-2700 (in Chinese with English abstract).
[3]	付景, 孙宁宁, 刘天学, 杨豫龙, 赵霞, 李潮海. 高温胁迫对玉米形态、叶片结构及其产量的影响. 玉米科学, 2019, 27(1): 46-53.
	Fu J, Sun N N, Liu T X, Yang Y L, Zhao X, Li C H. Effect of high temperature stress on morphology, leaf structure and grain yield of maize. J Maize Sci, 2019, 27(1): 46-53 (in Chinese with English abstract).
[4]	孙宁宁, 于康珂, 詹静, 顾海靖, 潘利文, 刘刚, 刘天学. 不同成熟度玉米叶片抗氧化生理对高温胁迫的响应. 玉米科学, 2017, 25(5): 77-84.
	Sun N N, Yu K K, Zhan J, Gu H J, Pan L W, Liu G, Liu T X. Responses of antioxidative physiology to high temperature in different maturity leaves of maize. J Maize Sci, 2017, 25(5): 77-84 (in Chinese with English abstract).
[5]	郭培国, 李荣华. 夜间高温胁迫对水稻叶片光合机构的影响. 植物学报, 2000, 42: 673-678.
	Guo P G, Li R H. Effects of high nocturnal temperature on photosynthetic organization in rice leaves. J Integr Plant Biol, 2000, 42: 673-678 (in Chinese with English abstract).
[6]	康绍忠, 张建华, 梁建生. 土壤水分与温度共同作用对植物根系水分传导的效应. 植物生态学报, 1999, 23: 211-219.
	Kang S Z, Zhang J H, Liang J S. Combined effects of soil water content and temperature on plant root hydraulic conductivity. Chin J Plant Ecol, 1999, 23: 211-219 (in Chinese with English abstract).
[7]	赵龙飞, 李潮海, 刘天学, 王秀萍, 僧珊珊. 花期前后高温对不同基因型玉米光合特性及产量和品质的影响. 中国农业科学, 2012, 45: 4947-4958. doi: 10.3864/j.issn.0578-1752.2012.23.023
	Zhao L F, Li C H, Liu T X, Wang X P, Seng S S. Effect of high temperature during flowering on photosynthetic characteristics and grain yield and quality of different genotypes of maize (Zea mays L.). Sci Agric Sin, 2012, 45: 4947-4958 (in Chinese with English abstract).
[8]	任寒, 刘鹏, 董树亭, 张吉旺, 赵斌. 高温胁迫影响玉米生长发育的生理机制研究进展. 玉米科学, 2019, 27(5): 109-115.
	Ren H, Liu P, Dong S T, Zhang J W, Zhao B. Research advancements of effect of high temperature stress on growth and development of maize. J Maize Sci, 2019, 27(5): 109-115 (in Chinese with English abstract).
[9]	陶志强, 陈源泉, 隋鹏, 袁淑芬, 高旺盛. 华北春玉米高温胁迫影响机理及其技术应对探讨. 中国农业大学学报, 2013, 18(4): 20-27.
	Tao Z Q, Chen Y Q, Sui P, Yuan S F, Gao W S. Effects of high temperature stress on spring maize and its technologic solutions in North China Plain. J China Agric Univ, 2013, 18(4): 20-27 (in Chinese with English abstract).
[10]	曹庆军, 杨粉团, 王一鸣, 梁尧, 李贺, 于洪浩, 李刚, 姜晓莉. 植物生长调节剂及其在大田作物上的应用分析. 吉林农业科学, 2015, 40(5): 26-30.
	Cao Q J, Yang F T, Wang Y M, Liang Y, Li H, Yu H H, Li G, Jiang X L. Advances in research of plant growth regulator application on crops. J Jilin Agric Sci, 2015, 40(5): 26-30 (in Chinese with English abstract).
[11]	李彦昌, 侯现军, 闫丽慧, 王芬霞, 李建军. 不同化学调控剂浓度对夏玉米生长的影响. 湖北农业科学, 2018, 57(14): 19-22.
	Li Y C, Hou X J, Yan L H, Wang F X, Li J J. Effect of chemical regulators with different concentrations on summer maize growth. Hubei Agric Sci, 2018, 57(14): 19-22 (in Chinese with English abstract).
[12]	李跃伟, 侯金丹, 孙慕芳, 雷振山. 四种生长调节剂对玉米茎秆性状及抗倒伏性的影响. 江苏农业学报, 2023, 39: 377-382.
	Li Y W, Hou J D, Sun M F, Lei Z S. Effects of four growth regulators on stalk Straits and lodging resistance of maize. Jiangsu J Agric Sci, 2023, 39: 377-382 (in Chinese with English abstract).
[13]	彭忠华, 吴盛黎, 何帮金. 植物生长调节剂对玉米自交系生长发育及产量的影响. 耕作与栽培, 1997, 17(3): 25-27.
	Peng Z H, Wu S L, He B J. Effects of plant growth regulators on growth and yield of maize inbred lines. Tillage Cult, 1997, 17(3), 25-27 (in Chinese).
[14]	许晅. 乙烯利、甜菜碱和表油菜素内酯对玉米生长的影响. 南京农业大学硕士学位论文, 江苏南京, 2012.
	Xu X. Effects of Ethephon, Betaine and Epbrassinolide on the Growth of Maize. MS Thesis of Nanjing Agricultural University, Nanjing, Jiangsu, China, 2012 (in Chinese with English abstract).
[15]	彭艳, 李洋, 杨广笑, 何光源. 铝胁迫对不同小麦SOD、CAT、POD活性和MDA含量的影响. 生物技术, 2006, 16(3): 38-42.
	Peng Y, Li Y, Yang G X, He G Y. Effects of aluminum stress on the activities of SOD, POD, CAT and the contents of MDA in the seedlings of different wheat cultivars. Biotechnology, 2006, 16(3): 38-42 (in Chinese with English abstract).
[16]	张志良, 瞿伟菁, 李小方. 植物生理学实验指导(第4版). 北京: 高等教育出版社, 2009.
	Zhang Z L, Qu W J, Li X F. Experimental Instruction of Plant Physiology, 4th edn. Beijing: Higher Education Press, 2009 (in Chinese).
[17]	Peng Y F, Niu J F, Peng Z P, Zhang F S, Li C J. Shoot growth potential drives N uptake in maize plants and correlates with root growth in the soil. Field Crops Res, 2010, 115: 85-93.
[18]	Liu X G, Zhang F C, Wang X L, Yang Q L. Effects of regulated deficit irrigation and nitrogen rate on use of water and nitrogen in maize root-zone soil. Res Crop, 2014, 15: 358.
[19]	张川, 刘栋, 王洪章, 任昊, 赵斌, 张吉旺, 任佰朝, 刘存辉, 刘鹏. 不同时期高温胁迫对夏玉米物质生产性能及籽粒产量的影响. 中国农业科学, 2022, 55: 3710-3722. doi: 10.3864/j.issn.0578-1752.2022.19.003
	Zhang C, Liu D, Wang H Z, Ren H, Zhao B, Zhang J W, Ren B Z, Liu C H, Liu P. Effects of high temperature stress in different periods on dry matter production and grain yield of summer maize. Sci Agric Sin, 2022, 55: 3710-3722 (in Chinese with English abstract). doi: 10.3864/j.issn.0578-1752.2022.19.003
[20]	李小凡, 邵靖宜, 于维祯, 刘鹏, 赵斌, 张吉旺, 任佰朝. 高温干旱复合胁迫对夏玉米产量及光合特性的影响. 中国农业科学, 2022, 55: 3516-3529. doi: 10.3864/j.issn.0578-1752.2022.18.004
	Li X F, Shao J Y, Yu W Z, Liu P, Zhao B, Zhang J W, Ren B Z. Combined effects of high temperature and drought on yield and photosynthetic characteristics of summer maize. Sci Agric Sin, 2022, 55: 3516-3529 (in Chinese with English abstract). doi: 10.3864/j.issn.0578-1752.2022.18.004
[21]	王丹, 吕艳杰, 姚凡云, 徐文华, 陈帅民, 邵玺文, 曹玉军, 王永军. 不同栽培模式春玉米花粒期冠层不同部位叶片的衰老特性. 中国生态农业学报(中英文), 2022, 30: 1925-1937.
	Wang D, Lyu Y J, Yao F Y, Xu W H, Chen S M, Shao X W, Cao Y J, Wang Y J. Leaf senescence characteristics post-anthesis at different positions of spring maize canopy under different cultivation models. Chin J Eco-Agric, 2022, 30: 1925-1937 (in Chinese with English abstract).
[22]	余梦奇, 路梦莉, 张雅婷, 陈志英, 李文阳. 灌浆期高温对玉米叶片光合特性及抗氧化酶活性的影响. 中国农业气象, 2023, 44: 599-610.
	Yu M Q, Lu M L, Zhang Y T, Chen Z Y, Li W Y. Effects of high temperature on photosynthetic characteristics and antioxidant enzyme activities of maize leaves during filling stage. Chin J Agrometeorol, 2023, 44: 599-610 (in Chinese with English abstract). doi: 10.3969/j.issn.1000-6362.2023.07.005
[23]	卢霖, 董志强, 董学瑞, 李光彦. 乙矮合剂对不同密度夏玉米花粒期不同部位叶片衰老特性的影响. 作物学报, 2016, 42: 561-573. doi: 10.3724/SP.J.1006.2016.00561
	Lu L, Dong Z Q, Dong X R, Li G Y. Effects of ethylene-chlormequat-potassium on characteristics of leaf senescence at different plant positions after anthesis under different planting densities. Acta Agron Sin, 2016, 42: 561-573 (in Chinese with English abstract).
[24]	高晓萍, 张婧, 牛天航, 刘阳, 常有麟, 刘思恬, 颉建明. 甜菜碱对高温胁迫下茄子幼苗生理特性的影响. 浙江农业学报, 2023, 35: 2097-2108. doi: 10.3969/j.issn.1004-1524.20221258
	Gao X P, Zhang J, Niu T H, Liu Y, Chang Y L, Liu S T, Xie J M. Effect of Glycine betaine on physiological characteristics of eggplant seedlings under high temperature stress. Acta Agric Zhejiangensis, 2023, 35: 2097-2108 (in Chinese with English abstract). doi: 10.3969/j.issn.1004-1524.20221258
[25]	陈岩, 岳丽杰, 刘永红, 杨勤. 营养生长期持续高温处理对玉米叶片转录组及生化指标的影响. 玉米科学, 2022, 30(4): 48-55.
	Chen Y, Yue L J, Liu Y H, Yang Q. Effects of continuous high temperature treatment during vegetative stages on maize leaf transcriptome and biochemical indicators. J Maize Sci, 2022, 30(4): 48-55 (in Chinese with English abstract).
[26]	宋旭东, 章慧敏, 张振良, 周广飞, 冒宇翔, 陆虎华, 陈国清, 石明亮, 黄小兰, 薛林, 等. 外源水杨酸和氯化钙对糯玉米花期高温胁迫下光合特性及产量的调控效应. 江苏农业科学, 2022, 50(7): 87-94.
	Song X D, Zhang H M, Zhang Z L, Zhou G F, Mao Y X, Lu H H, Chen G Q, Shi M L, Huang X L, Xue L, et al. Effects of exogenous salicylic acid and calcium chloride on photosynthetic characteristics and yield of waxy maize under high temperature stress at flowering stage. Jiangsu Agric Sci, 2022, 50(7): 87-94 (in Chinese).
[27]	鄂玉江, 戴俊英, 顾慰连. 玉米根系的生长规律及其与产量关系的研究I. 玉米根系生长和吸收能力与地上部分的关系. 作物学报, 1988, 14: 149-154.
	E Y J, Dai J Y, Gu W L. Studies on the relationship between root growth and yield in maize (Zea mays): I. Relationships between the growth and absorption ability of the roots and the growth and development of the above-ground parts of maize. Acta Agron Sin, 1988, 14: 149-154 (in Chinese with English abstract).
[28]	张保仁. 高温对玉米产量和品质的影响及调控研究. 山东农业大学博士学位论文, 山东泰安, 2003.
	Zhang B R. Studies on Effect of High Temperature on Yield and Quality and Regulation in Maize (Zea mays L.). PhD Dissertation of Shandong Agricultural University, Tai’an, Shandong, China, 2003 (in Chinese with English abstract).
[29]	于康珂, 孙宁宁, 齐红志, 詹静, 顾海靖, 刘刚, 潘利文, 刘天学. 不同成熟度玉米叶片光合生理对高温胁迫的响应特征及其基因型差异. 河南农业科学, 2017, 46(5): 34-38.
	Yu K K, Sun N N, Qi H Z, Zhan J, Gu H J, Liu G, Pan L W, Liu T X. Photosynthetic physiological response character of different maturity maize leaves to heat stress and their genotype difference. J Henan Agric Sci, 2017, 46(5): 34-38 (in Chinese with English abstract).
[30]	赵福成, 景立权, 闫发宝, 陆大雷, 王桂跃, 陆卫平. 灌浆期高温胁迫对甜玉米籽粒糖分积累和蔗糖代谢相关酶活性的影响. 作物学报, 2013, 39: 1644-1651. doi: 10.3724/SP.J.1006.2013.01644
	Zhao F C, Jing L Q, Yan F B, Lu D L, Wang G Y, Lu W P. Effects of heat stress during grain filling on sugar accumulation and enzyme activity associated with sucrose metabolism in sweet corn. Acta Agron Sin, 2013, 39: 1644-1651 (in Chinese with English abstract).
[31]	房孟颖, 卢霖, 王庆燕, 董学瑞, 闫鹏, 董志强. 乙矮合剂对不同施氮量夏玉米根系形态构建和产量的影响. 中国农业科学, 2022, 55: 4808-4822. doi: 10.3864/j.issn.0578-1752.2022.24.003
	Fang M Y, Lu L, Wang Q Y, Dong X R, Yan P, Dong Z Q. Effects of ethylene-chlormequat-potassium on root morphological construction and yield of summer maize with different nitrogen application rates. Sci Agric Sin, 2022, 55: 4808-4822 (in Chinese with English abstract). doi: 10.3864/j.issn.0578-1752.2022.24.003
[32]	房孟颖, 任粱, 卢霖, 董学瑞, 武志海, 闫鹏, 董志强. 乙矮合剂对粒用高粱根系建构和产量的影响. 作物学报, 2023, 49: 2528-2538. doi: 10.3724/SP.J.1006.2023.24243
	Fang M Y, Ren L, Lu L, Dong X R, Wu Z H, Yan P, Dong Z Q. Effect of Ethylene-Chlormequat-Potassium on root morphological structure and grain yield in Sorghum. Acta Agron Sin, 2023, 49: 2528-2538 (in Chinese with English abstract).
[33]	祁利潘, 陶洪斌, 周祥利, 吴景玉, 赵丽晓, 王璞. 化学药剂处理对灌浆期低温条件下玉米光合特性及产量的影响. 玉米科学, 2013, 21(3): 52-56.
	Qi L P, Tao H B, Zhou X L, Wu J Y, Zhao L X, Wang P. Effects of chemical regulation on maize photosynthesis and yield under low temperature stress during grain filling stage. J Maize Sci, 2013, 21(3): 52-56 (in Chinese with English abstract).
[34]	高英波, 张慧, 单晶, 薛艳芳, 钱欣, 代红翠, 刘开昌, 李宗新. 吐丝前高温胁迫对不同耐热型夏玉米产量及穗发育特征的影响. 中国农业科学, 2020, 53: 3954-3963. doi: 10.3864/j.issn.0578-1752.2020.19.009
	Gao Y B, Zhang H, Shan J, Xue Y F, Qian X, Dai H C, Liu K C, Li Z X. Effects of pre-silking high temperature stress on yield and ear development characteristics of different heat-resistant summer maize cultivars. Sci Agric Sin, 2020, 53: 3954-3963 (in Chinese with English abstract). doi: 10.3864/j.issn.0578-1752.2020.19.009
[35]	卫晓轶, 洪德峰, 马俊峰, 马毅, 王稼苜, 魏锋. 植物受高温胁迫机理及对玉米生长影响的研究进展. 耕作与栽培, 2021, 41(1): 41-45.
	Wei X Y, Hong D F, Ma J F, Ma Y, Wang J M, Wei F. Study on the mechanism of plant thermotolerance and its effect on maize. Tillage Cultiv, 2021, 41(1): 41-45 (in Chinese with English abstract).
[36]	潘正茂, 许海涛, 赵雪梅. 高温胁迫对玉米影响的研究进展. 热带农业科学, 2023, 43(2): 20-27.
	Pan Z M, Xu H T, Zhao X M. Research progress on the effects of high-temperature stress on maize. Chin J Trop Agric, 2023, 43(2): 20-27 (in Chinese with English abstract).

Metrics

Viewed

Full text

Abstract

Cited

Shared

Discussed

Comments

Recommended 0

No Suggested Reading articles found!

年份 Year	处理时期 Treatment time	品种 Variety	株高Plant height (cm)			穗位高Ear height (cm)			叶面积Leaf area index (cm²)
年份 Year	处理时期 Treatment time	品种 Variety	CK	HT	TR	CK	HT	TR	CK	HT	TR
2021	V8	ZD958	129.2 a	129.2 a	111.5 b	—	—	—	3465.4 a	3240.1 a	3021.7 a
		YD9953	128.5 a	130.9 a	113.1 b	—	—	—	3178.3 a	3061.5 a	3158.4 a
	V12	ZD958	156.0 a	145.6 ab	134.7 b	—	—	—	3097.8 a	2955.4 a	3021.7 a
		YD9953	158.2 a	163.9 a	136.0 b	—	—	—	3178.3 a	2900.2 a	2925.0 a
	VT	ZD958	194.8 a	191.4 a	149.6 b	—	—	—	3021.7 a	2820.3 a	2829.9 a
		YD9953	213.2 a	208.3 a	153.6 b	—	—	—	3178.3 a	3082.4 a	3064.8 a
2022	V9	ZD958	254.4 a	249.6 a	251.1 a	111.7 a	104.8 b	96.8 c	3009.9 a	3048.2 a	2585.7 b
		YD9953	220.0 a	220.4 a	206.4 a	68.5 a	71.3 a	59.1 b	2927.4 a	2844.2 a	2518.7 a
	VT	ZD958	264.6 a	269.0 a	266.8 a	119.7 a	122.7 a	105.0 b	5433.4 a	5377.6 a	5059.0 a
		YD9953	232.8 a	232.9 a	215.2 a	74.6 ab	76.8 a	69.0 b	4203.5 a	4118.6 a	3989.9 a

年份 Year	处理时期 Treatment time	品种 Variety	SOD活性 Superoxide dismutase activity (U g^-1 FW)			POD活性 Peroxidase activity (U min^-1 g^-1 FW)
年份 Year	处理时期 Treatment time	品种 Variety	CK	HT	TR	CK	HT	TR
2021	V8	ZD958	503.9 c	527.3 b	561.6 a	36.8 c	41.4 b	50.3 a
		YD9953	555.1 c	643.9 b	652.7 a	37.7 c	51.5 b	58.8 a
	V12	ZD958	548.5 c	567.8 b	602.4 a	41.4 c	45.6 b	55.8 a
		YD9953	445.8 c	494.4 b	535.8 a	45.4 c	52.7 b	62.7 a
	VT	ZD958	577.6 c	592.1 b	631.5 a	45.5 c	56.4 b	65.1 a
		YD9953	416.2 c	464.7 b	525.2 a	65.6 c	75.6 b	83.7 a
2022	V9	ZD958	508.0 c	529.4 b	565.4 a	68.5 c	83.6 b	90.4 a
		YD9953	559.5 c	646.9 b	656.3 a	37.1 c	44.2 b	67.7 a
	VT	ZD958	579.3 b	597.9 a	637.7 c	83.4 c	92.3 b	99.0 a
		YD9953	419.1 c	470.4 b	532.3 a	56.6 c	70.6 b	87.9 a
年份 Year	处理时期 Treatment time	品种 Variety	可溶性蛋白含量 Soluble protein content (mg g^-1FW)			MDA含量 Malondialdehyde content (μmol g^-1)
年份 Year	处理时期 Treatment time	品种 Variety	CK	HT	TR	CK	HT	TR
2021	V8	ZD958	7.6 c	8.6 b	10.6 a	7.7 c	9.3 a	8.6 b
		YD9953	7.3 c	8.7 b	9.4 a	7.2 c	11.3 a	8.5 b
	V12	ZD958	10.7 c	11.4 b	13.4 a	7.6 c	11.4 a	10.7 b
		YD9953	8.6 c	10.5 b	11.2 a	7.4 b	11.2 a	10.5 a
	VT	ZD958	9.8 c	10.5 b	13.1 a	7.4 c	10.3 a	9.8 b
		YD9953	8.6 c	10.8 b	12.9 a	8.7 c	10.8 a	9.9 b
2022	V9	ZD958	10.6 c	12.8 b	14.4 a	8.6 c	10.7 a	9.6 b
		YD9953	9.4 c	10.4 b	12.3 a	7.5 c	11.6 b	8.4 a
	VT	ZD958	16.4 c	17.4 b	19.7 a	8.4 c	11.6 a	10.7 b
		YD9953	15.6 c	16.5 b	18.4 a	7.5 c	9.6 a	8.5 b

年份 Year	处理时期 Treatment time	品种 Variety	植株干重 Plant Biomass (g)			根系干重 Root biomass (g)			根冠比 Root-shoot ratio (×10^-2)
年份 Year	处理时期 Treatment time	品种 Variety	CK	HT	TR	CK	HT	TR	CK	HT	TR
2021	V8	ZD958	137.7 a	121.4 b	136.5 a	8.6 a	7.9 c	8.3 b	6.3 a	6.5 a	6.1 a
	V8	YD9953	153.8 a	132.3 b	153.5 a	6.8 a	5.3 b	6.7 a	4.4 a	4.0 a	4.4 a
	V12	ZD958	137.7 a	125.8 b	139.4 a	8.6 a	6.4 b	8.3 a	6.3 a	5.1 b	5.9 a
	V12	YD9953	153.8 a	138.8 b	157.1 a	6.8 a	5.6 b	6.4 a	4.4 a	4.1 a	4.1 a
	VT	ZD958	147.7 a	135.7 b	147.6 a	8.6 a	7.2 b	8.5 a	5.8 a	5.3 b	5.8 a
	VT	YD9953	153.8 a	141.4 b	157.3 a	6.8 a	5.5 b	6.5 a	4.4 a	3.9 a	4.1 a
2022	V9	ZD958	139.5 a	126.6 b	139.7 a	5.4 a	4.8 b	5.6 a	3.9 ab	3.8 b	4.0 a
	V9	YD9953	158.4 a	142.5 b	156.8 a	6.3 a	5.7 b	6.3 a	4.0 a	4.0 a	4.0 a
	VT	ZD958	141.6 a	133.2 b	142.4 a	5.8 a	5.2 b	6.1 a	4.1 ab	3.9 b	4.3 a
	VT	YD9953	159.3 a	141.9 b	156.2 a	6.2 a	5.8 b	6.3 a	3.9 b	4.1 a	4.0 ab

年份 Year	处理时期 Treatment time	品种 Variety	有效株数 Plant population (plants hm^-2)			穗粒数 Kernel number (ear^-1)			千粒重 1000-kernel weight (g)
年份 Year	处理时期 Treatment time	品种 Variety	CK	HT	TR	CK	HT	TR	CK	HT	TR
2021	V8	ZD958	68,784 a	68,784 a	67,410 a	493.8 a	474.8 a	474.5 a	310.1 ab	297.3 b	317.3 a
		YD9953	66,701 a	66,701 a	68,784 a	505.9 a	455.5 b	466.6 b	317.7 a	273.9 b	304.0 a
	V12	ZD958	68,090 a	67,395 a	68,784 a	493.8 a	422.0 b	430.3 b	310.1 a	306.0 a	295.9 a
		YD9953	68,784 a	67,395 a	66,005 a	505.9 a	435.3 b	461.8 b	317.7 a	265.6 c	294.0 b
	VT	ZD958	67,395 a	68,090 a	68,090 a	493.8 a	490.1 a	489.6 a	310.1 a	302.0 a	302.7 a
		YD9953	68,090 a	67,395 a	67,395 a	505.9 a	498.2 a	503.6 a	317.7 a	296.9 b	298.8 b
2022	V9	ZD958	66,005 a	68,090 a	66,005 a	387.3 a	319.2 b	375.6 a	358.0 a	352.1 a	348.6 a
		YD9953	68,784 a	68,090 a	68,090 a	372.4 a	349.7 a	381.1 a	256.5 a	244.4 b	255.1 a
	VT	ZD958	68,784 a	66,005 a	66,701 a	365.5 ab	325.4 b	387.7 a	359.3 a	350.6 a	354.8 a
		YD9953	68,090 a	67,395 a	66,701 a	391.0 a	363.8 a	417.8 a	243.9 a	233.6 b	256.6 a

变量 Variable	产量 GY	净光合速率P_n	SOD活性 SOD activity	POD活性 POD activity	可溶性蛋白含量 Soluble protein content	MDA含量 MDA content	植株干重 Plant biomass	根系干重 Root biomass	根冠比 Root shoot ratio
产量 GY	1.000
净光合速率 P_n	0.359^**	1.000
SOD活性 SOD activity	0.059	0.286^**	1.000
POD活性 POD activity	0.224^*	-0.315^**	0.066	1.000
可溶性蛋白含量 Soluble protein content	-0.073	-0.611^**	0.115	0.793^**	1.000
MDA含量 MDA content	-0.135	-0.212^*	0.300^**	0.349^**	0.255^*	1.000
植株干重 Plant biomass	0.669^**	0.184	0.036	0.292^**	0.291^**	-0.323^**	1.000
根系干重 Root biomass	0.492^**	0.331^**	-0.197	-0.074	-0.393^**	-0.226^*	0.019	1.000
根冠比 Root shoot ratio	0.205	0.237^*	-0.173	-0.181	-0.475^**	-0.075	-0.371^**	0.919^**	1.000

Effect of ethephon betaine salicylic acid mixture on heat resistance and yield of summer maize

RichHTML437

PDF

Abstract

Cite this article

share this article

Figures/Tables 11

References 36

Related Articles 15

Metrics

Comments

Recommended 0

[1]	WANG Dong, WANG Sen, SHANG Li, FENG Hao-Wei, ZHANG Yong-Qiao, CUI Jia-Ming, LI Shuang, ZHANG Jia-Cong, CHE Huan. Effect of supplementary irrigation on winter wheat yield and water use efficiency in semi humid areas of the Loess Plateau [J]. Acta Agronomica Sinica, 2025, 51(5): 1312-1325.
[2]	WENG Wen-An, XING Zhi-Peng, HU Qun, WEI Hai-Yan, LIAO Ping, ZHU Hai-Bin, QU Ji-Wei, LI Xiu-Li, LIU Gui-Yun, GAO Hui, ZHANG Hong-Cheng. Study on yield formation characteristics, energy and economic benefits of unmanned dry direct-seeding rice [J]. Acta Agronomica Sinica, 2025, 51(5): 1363-1377.
[3]	SONG Li, LIU Guang-Zhou, ZHANG Hua, LU Ting-Qi, QING Chun-Yan, YANG Yun-Shan, GUO Xiao-Xia, Hu Dan, LI Shao-Kun, HOU Peng. Effects of drip fertigation with dense planting on yield and soil bacterial community of summer maize in Southwest China [J]. Acta Agronomica Sinica, 2025, 51(4): 992-1004.
[4]	XIN Yu-Ning, REN Hao, WANG Hong-Zhang, LIANG Ming-Lei, YU Tao, LIU Peng. Effects of spraying 6-benzylaminopurine (6-BA) on grain filling and yield of summer maize under post-pollination high temperature stress [J]. Acta Agronomica Sinica, 2025, 51(2): 418-431.
[5]	WANG Li-Ping, LI Pan, ZHAO Lian-Hao, FAN Zhi-Long, HU Fa-Long, FAN Hong, HE Wei, CHAI Qiang, YIN Wen. Response of senescence characteristics for maize leaves under different plastic mulching and using patterns in oasis irrigation areas of northwestern China [J]. Acta Agronomica Sinica, 2025, 51(1): 233-246.
[6]	WANG Yuan, XU Jia-Yin, DONG Er-Wei, WANG Jin-Song, LIU Qiu-Xia, HUANG Xiao-Lei, JIAO Xiao-Yan. Effects of manure replacement of chemical fertilizer nitrogen on yield, nitrogen accumulation, and quality of foxtail millet [J]. Acta Agronomica Sinica, 2025, 51(1): 149-160.
[7]	ZHANG Zhen, HE Jian-Ning, SHI Yu, YU Zhen-Wen, ZHANG Yong-Li. Effects of row spacing and planting patterns on photosynthetic characteristics and yield of wheat [J]. Acta Agronomica Sinica, 2024, 50(9): 2396-2407.
[8]	SUN Zhao-Hua, REN Hao, WANG Hong-Zhang, WANG Zi-Qiang, YAO Hai-Yan, XIN Ai-Mei, ZHAO Bin, ZHANG Ji-Wang, REN Bai-Zhao, LIU Peng. Effects of foliar silicon sprays on leaf photosynthetic performance and grain yield of summer maize in coastal saline-alkali soil [J]. Acta Agronomica Sinica, 2024, 50(9): 2383-2395.
[9]	HAN Xiao-Chen, ZHANG Gui-Qin, WANG Ya-Hui, REN Hao, WANG Hong-Zhang, LIU Guo-Li, LIN Dian-Xu, WANG Zi-Qiang, ZHANG Ji-Wang, ZHAO Bin, REN Bao-Zhao, LIU Peng. Effects of soil conditioners on soil salinity content and maize yield in coastal saline-alkali land [J]. Acta Agronomica Sinica, 2024, 50(7): 1776-1786.
[10]	ZHANG Zhen, ZHAO Jun-Ye, SHI Yu, ZHANG Yong-Li, YU Zhen-Wen. Effects of different sowing space on photosynthetic characteristics after anthesis and grain yield of wheat [J]. Acta Agronomica Sinica, 2024, 50(4): 981-990.
[11]	YUE Hai-Wang, WEI Jian-Wei, LIU Peng-Cheng, CHEN Shu-Ping, BU Jun-Zhou. Comprehensive evaluation of maize hybrids in the mega-environments of Huanghuaihai plain based on GYT biplot analysis [J]. Acta Agronomica Sinica, 2024, 50(4): 836-856.
[12]	ZOU Jia-Qi, WANG Zhong-Lin, TAN Xian-Ming, CHEN Liao-Yuan, YANG Wen-Yu, YANG Feng. Estimation of maize grain yield under drought stress based on continuous wavelet transform [J]. Acta Agronomica Sinica, 2024, 50(4): 1030-1042.
[13]	WU Xia-Yu, LI Pan, WEI Jin-Gui, FAN Hong, HE Wei, FAN Zhi-Long, HU Fa-Long, CHAI Qiang, YIN Wen. Effect of reduced irrigation and combined application of organic and chemical fertilizers on photosynthetic physiology, grain yield and quality of maize in northwestern irrigation areas [J]. Acta Agronomica Sinica, 2024, 50(4): 1065-1079.
[14]	ZHAO Rong-Rong, CONG Nan, ZHAO Chuang. Optimal phase selection for extracting distribution of winter wheat and summer maize over central subregion of Henan Province based on Landsat 8 imagery [J]. Acta Agronomica Sinica, 2024, 50(3): 721-733.
[15]	WEI Huan-He, ZHANG Xiang, ZHU Wang, GENG Xiao-Yu, MA Wei-Yi, ZUO Bo-Yuan, MENG Tian-Yao, GAO Ping-Lei, CHEN Ying-Long, XU Ke, DAI Qi-Gen. Effects of salinity stress on grain-filling characteristics and yield of rice [J]. Acta Agronomica Sinica, 2024, 50(3): 734-746.