晚霜冻胁迫后冬小麦株高降低及其与籽粒产量关系

doi:10.3864/j.issn.0578-1752.2018.18.004

Abstract

Abstract:

【Objective】 The objective of this study was to explore the effects of late frost stress on plant height and its components in winter wheat, and to clarify the characteristics of plant height reduction and its relationship with internode length, ear length and grain yield, in order to provide a basis for establishing the evaluation index of late frost damage. 【Method】By using two frost simulation means based on the Cold Climate Chamber and the Field Movable Climate Chamber, six pot experiments and three plots experiments were carried out with the developmental progresses (floret primordia differentiation (FPD), pistil and stamen primordia differentiation (PSPD), anther connective tissue formation (ACTF), tetrad formation (TF) and heading phase) of young ear and the subfreezing treatment temperatures (-1 °C, -3 °C, -5 °C, -7 °C, -9 °C and -11 °C) as the gradients. Culm injury was investigated after each frosting treatment, and plant height and its components, and grain yield were measured at maturity. Variance analysis, regression function fitting and test method for sudden change were used to study the rule of plant height reduction, the contribution of each component to plant height, and the regression relationship of plant height and grain yield. 【Result】 (1) In the stages of PSPD to late ACTF, plant height generally showed a decreasing trend with the decrease of treatment temperature. When the treatment temperature was lower than -5℃ or so, a mutation began, and there were certain differences between individual plants and varieties. At the same treatment temperature, the greatest decline in plant height occurred in the late ACTF stage. (2) In the stages of PSPD, early ACTF and late ACTF, fourth internode length from the top (FIL), antepenultimate internode length (AIL), penultimate internode length (PIL) and ear length (EL) all showed shortening trends in different degrees under the frost stress. In these periods, the key two internodes contributing to plant height were FIL and AIL, AIL and PIL, and PIL and FIL, respectively, that showed a strongly significant correlation (P<0.001) with plant height. Correspondingly, plant height significantly decreased. (3) The regression curves between plant height and kernel number per ear, 1 000-kernel weight, and yield per plant were well fitted by the power function models. The reduction in yield per plant showed a trend from the rapid to the slow as plant height decreased. When yield per plant was reduced to 1.5 g or less because of the further frost stress, it became relatively stable as plant height continued to decrease, also, kernel number per ear did not change significantly any more at that time. 【Conclusion】 Under the simulated late frost stress, a significantly shortening trend occurred only in the imminent or elongated internodes and young ear, but not in the end of elongation. When the shortening internodes were consistent with the internodes that mainly contributed to the plant height, plant height significantly decreased. Using the shortening feature of the internodes, and the power function model between plant height and yield per plant, a new approach could be provided for the risk assessment of plant lodging in late growth and yield loss of winter wheat affected by late frost.

Key words: winter wheat, late frost stress, developmental progress, plant height, length of internode and ear, grain yield

YongFeng WU, Xin HU, DeChao REN, Ping SHI, SongCai YOU. Reduction of Plant Height in Winter Wheat and Its Relationship with Grain Yield Under Late Frost Stress[J].Scientia Agricultura Sinica, 2018, 51(18): 3470-3485.

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References 33

[1]	ZHANG N, FAN X L, CUI F, ZHAO C H, ZHANG W, ZHAO X Q, YANG L J, PAN R Q, CHEN M, HAN J, JI J, LIU D C, ZHAO Z W, TONG Y P, ZHANG A M, WANG T, LI J M.Characterization of the temporal and spatial expression of wheat (Triticum aestivum L.) plant height at the OTL level and their influence on yield-related traits. Theoretical and Applied Genetics, 2017, 130(6): 1235-1252.
[2]	李春燕, 杨景, 张玉雪, 姚梦浩, 朱新开, 郭文善. 小麦分蘖期冻害后增施恢复肥的产量挽回效应及其生理机制. 中国农业科学, 2017, 50(10): 1781-1791. doi: 10.3864/j.issn.0578-1752.2017.10.004
	LI C Y, YANG J, ZHANG Y X, YAO M H, ZHU X K, GUO W S.Retrieval effects of remedial fertilizer after freeze injury on wheat yield and its mechanism at tillering stage.Scientia Agricultura Sinica, 2017, 50(10): 1781-1791. (in Chinese) doi: 10.3864/j.issn.0578-1752.2017.10.004
[3]	FOWLER D B, N’DIAYE A, LAUDENCIA-CHINGCUANCO D, POZNIAK C J. Quantitative trait loci associated with phenological development, low-temperature tolerance, grain quality, and agronomic characters in wheat (Triticum aestivum L.). PLoS ONE, 2016, 11(3): e0152185.
[4]	WHALEY J M, KIRBY E J M, SPINK J H, FOULKES M J, SPARKES D L. Frost damage to winter wheat in the UK: The effect of plant population density.European Journal of Agronomy, 2004, 21(1): 105-115. doi: 10.1016/S1161-0301(03)00090-X
[5]	MAHFOOZI S, LIMIN A E, AHAKPAZ F, FOWLER D B.Phenological development and expression of freezing resistance in spring and winter wheat under field conditions in northwest Iran.Field Crops Research, 2006, 97(2): 182-187. doi: 10.1016/j.fcr.2005.09.012
[6]	WU Y F, ZHONG X L, HU X, REN D C, LÜ G H, WEI C Y, SONG J Q.Frost affects grain yield components in winter wheat.New Zealand Journal of Crop and Horticultural Science, 2014, 42(3): 194-204. doi: 10.1080/01140671.2014.887588
[7]	胡新, 任德超, 倪永静, 黄建英, 宋吉青, 武永峰. 冬小麦籽粒产量及其构成要素随晚霜冻害变化规律研究. 中国农业气象, 2014, 35(5): 575-580. doi: 10.3969/j.issn.1000-6362.2014.05.015
	HU X, REN D C, NI Y J, HUANG J Y, SONG J Q, WU Y F.Impacts of late frost on grain yield and its components of winter wheat.Chinese Journal of Agrometeorology, 2014, 35(5): 575-580. (in Chinese) doi: 10.3969/j.issn.1000-6362.2014.05.015
[8]	ZHANG J N, HAO C Y, REN Q, CHANG X P, LIU G R, JING R L.Association mapping of dynamic developmental plant height in common wheat.Planta, 2011, 234(5): 891-902. doi: 10.1007/s00425-011-1434-8 pmid: 21647605
[9]	WOODRUFF D, DOUGLAS N, FRENCH V.Frost Damage in Winter Crops, Crop Link. Queensland,Brisbane: Department of Primary Industries, 1997.
[10]	CROMEY M G, WRIGHT D S C, BODDINGTON H J. Effects of frost during grain filling on wheat yield and grain structure.New Zealand Journal of Crop and Horticultural Science, 1998, 26(4): 279-290. doi: 10.1080/01140671.1998.9514065
[11]	武永峰, 胡新, 钟秀丽, 吕国华, 任德超, 宋吉青. 农田尺度下冬小麦晚霜冻害空间差异及原因分析. 中国农业科学, 2014, 47(21): 4246-4256.
	U Y F, HU X, ZHONG X L, LÜ G H, REN D C, SONG J Q. Study on spatial differences of late frost injury to winter wheat and its reasons at field scale.Scientia Agricultura Sinica, 2014, 47(21): 4246-4256. (in Chinese)
[12]	SHROYER J P, MIKESELL M E, PAULSEN G M.Spring Freeze Injury to Kansas Wheat. Manhattan: Kansas State University, 1995.
[13]	FREDERIKS T M, CHRISTOPHER J T, FLETCHER S E H, BORRELL A K. Post head-emergence frost resistance of barley genotypes in the northern grain region of Australia. Crop & Pasture Science, 2011, 62(9): 736-745.
[14]	FREDERIKS T M, CHRISTOPHER J T, SUTHERLAND M W, BORRELL A K.Post-head-emergence frost in wheat and barley: Defining the problem, assessing the damage, and identifying resistance. Journal of Experimental Botany, 2015, 66(12): 3487-3498. doi: 10.1093/jxb/erv088 pmid: 25873656
[15]	任德超, 胡新, 陈丹丹, 张建涛, 倪永静, 刘红杰, 黄绍华, 李国强. 不同低温处理对小麦光合特性和产量性状的影响. 中国农学通报, 2016, 32(21): 44-50.
	REN D C, HU X, CHEN D D, ZHANG J T, NI Y J, LIU H J, HUANG S H, LI G Q.Effects of different low temperature treatments on photosynthetic characteristics and yield traits of wheat. Chinese Agricultural Science Bulletin, 2016, 32(21): 44-50. (in Chinese)
[16]	冯玉香, 何维勋, 孙忠富, 钟秀丽. 我国冬小麦霜冻害的气候分析. 作物学报, 1999, 25(3): 335-340.
	FENG Y X, HE W X, SUN Z F, ZHONG X L.Climatological study on frost damage of winter wheat in China. Acta Agronomica Sinica, 1999, 25(3): 335-340. (in Chinese)
[17]	张雪芬, 郑有飞, 王春乙, 陈怀亮, 任振和, 邹春辉. 冬小麦晚霜冻害时空分布与多时间尺度变化规律分析. 气象学报, 2009, 67(2): 321-330. doi: 10.3321/j.issn:0577-6619.2009.02.015
	ZHANG X F, ZHENG Y F, WANG C Y, CHEN H L, REN Z H, ZOU C H.Spatial-temporal distribution and multiple-temporal scale variation analyses of winter wheat late freezing injury. Acta Meteorologica Sinica, 2009, 67(2): 321-330. (in Chinese) doi: 10.3321/j.issn:0577-6619.2009.02.015
[18]	武永峰, 胡新, 吕国华, 任德超, 蒋卫国, 宋吉青. 晚霜冻影响下冬小麦冠层红边参数比较. 光谱学与光谱分析, 2014, 34(8): 2190-2195.
	WU Y F, HU X, LÜ G H, REN D C, JIANG W G, SONG J Q.Comparison of red edge parameters of winter wheat canopy under late frost stress.Spectroscopy and Spectral Analysis, 2014, 34(8): 2190-2195. (in Chinese)
[19]	张朝生, 章申, 张立成, 王立军. 长江水系河流沉积物重金属元素含量的计算方法研究. 环境科学学报, 1995, 15(3): 257-264. doi: 10.1007/BF02943514
	ZHANG C S, ZHANG S, ZHANG L C, WANG L J.Calculation of heavy metal contents in sediments of the Changjiang river system. Acta Scientiae Circumstantiae, 1995, 15(3): 257-264. (in Chinese) doi: 10.1007/BF02943514
[20]	柴元方, 李义天, 李思璇, 朱博渊, 王靖宜. 长江流域近期水沙变化趋势及成因分析. 灌溉排水学报, 2017, 36(3): 94-101.
	CHAI Y F, LI Y T, LI S X, ZHU B Y, WANG J Y.Analysis of recent variation trend and cause of runoff and sediment load variations in the Yangtze River Basin. Journal of Irrigation and Drainage, 2017, 36(3): 94-101. (in Chinese)
[21]	陈贵菊, 陈明丽, 王福玉, 高国良, 江涛, 尹逊利, 李根英, 宋国琦. 药隔期低温对小麦生长发育的影响. 山东农业科学, 2015, 47(2): 25-28.
	CHEN G J, CHEN M L, WANG F Y, GAO G L, JIANG T, YIN X L, LI G Y, SONG G Q.Influences of low temperature in connectivum period on wheat growth and development. Shandong Agricultural Sciences, 2015, 47(2): 25-28. (in Chinese)
[22]	刘立伟. 药隔、减数分裂、开花期低温对小麦产量的影响与补救研究[D]. 扬州: 扬州大学, 2016.
	LIU L W.Effects of low temperature at anther connective formation, meiosis and anthesis stages on grain yield in wheat and remedial techniques[D]. Yangzhou: Yangzhou University, 2016. (in Chinese)
[23]	靖华, 亢秀丽, 马爱平, 崔欢虎, 王娟玲, 刘建华. 晋南旱垣春季低温对不同播种期小麦冻害的影响. 中国农学通报, 2011, 27(9): 76-80.
	JING H, KANG X L, MA A P, CUI H H, WANG J L, LIU J H.Effect of spring low temperature on different sowing date winter wheat frozen injury on the arid area of southern Shanxi province. Chinese Agricultural Science Bulletin, 2011, 27(9): 76-80. (in Chinese)
[24]	AL-ISSAWI M, RIHAN H Z, EL-SARKASSY N, FULLER M P.Frost hardiness expression and characterisation in wheat at ear emergence.Journal of Agronomy and Crop Science, 2013, 199(1): 66-74. doi: 10.1111/j.1439-037X.2012.00524.x
[25]	FULLER M P, FULLER A M, KANIOURAS S K, CHRISTOPHERS J, FREDERICKS T.The freezing characteristics of wheat at ear emergence. European Journal of Agronomy, 2007, 26(4): 435-441. doi: 10.1016/j.eja.2007.01.001
[26]	LIVINGSTON Ⅲ D P, TUONG T D, ISLEIB T G, MURPHY J P. Differences between wheat genotypes in damage from freezing temperatures during reproductive growth. European Journal of Agronomy ,2016, 74: 164-172. doi: 10.1016/j.eja.2015.12.002
[27]	陈广凤, 陈建省, 田纪春. 小麦株高相关性状与SNP标记全基因组关联分析. 作物学报, 2015, 41(10): 1500-1509. doi: 10.3724/SP.J.1006.2015.01500
	CHEN G F, CHEN J S, TIAN J C.Genome-wide association analysis between SNP markers and plant height related traits in wheat. Acta Agronomica Sinica, 2015, 41(10): 1500-1509. (in Chinese) doi: 10.3724/SP.J.1006.2015.01500
[28]	朱新开, 郭文善, 李春燕, 封超年, 彭永欣. 小麦株高及其构成指数与产量及品质的相关性. 麦类作物学报, 2009, 29(6): 1034-1038. doi: 10.7606/j.issn.1009-1041.2009.06.017
	ZHU X K, GUO W S, LI C Y, FENG C N, PENG Y X.Relationship of plant height component indexes with grain yield and quality in wheat. Journal of Triticeae Crops, 2009, 29(6): 1034-1038. (in Chinese) doi: 10.7606/j.issn.1009-1041.2009.06.017
[29]	LIVINGSTON Ⅲ D P, TUONG T D, MURPHY J P, GUSTA L V, WILLICK I, WISNIEWSKI M E. High-definition infrared thermography of ice nucleation and propagation in wheat under natural frost conditions and controlled freezing. Planta, 2018, 247(4): 791-806. doi: 10.1007/s00425-017-2823-4 pmid: 29224121
[30]	JI H T, XIAO L J, XIA Y M, SONG H, LIU B, TANG L, CAO W X, ZHU Y, LIU L L.Effects of jointing and booting low temperature stresses on grain yield and yield components in wheat. Agricultural and Forest Meteorology, 2017, 243: 33-42. doi: 10.1016/j.agrformet.2017.04.016
[31]	BANATH C L, SINGLE W V.Frost injury to wheat stems and grain production. Australian Journal of Agricultural Research, 1976, 27(6): 749-753. doi: 10.1071/ar9760749
[32]	刘凯, 邓志英, 张莹, 王芳芳, 刘佟佟, 李青芳, 邵文, 赵宾, 田纪春, 陈建省. 小麦茎秆断裂强度相关性状OTL的连锁和关联分析. 作物学报, 2017, 43(4): 483-495.
	LIU K, DENG Z Y, ZHANG Y, WANG F F, LIU T T, LI Q F, SHAO W, ZHAO B, TIAN J C, CHEN J S.Linkage analysis and genome-wide association study of OTLs controlling stem-breaking- strength-related traits in wheat. Acta Agronomica Sinica, 2017, 43(4): 483-495. (in Chinese)
[33]	胡昊, 李莎莎, 华慧, 孙蒙蒙, 康娟, 夏国军, 王晨阳. 不同小麦品种主茎茎秆形态结构特征及其与倒伏的关系. 麦类作物学报, 2017, 37(10): 1343-1348.
	HU H, LI S S, HUA H, SUN M M, KANG J, XIA G J, WANG C Y.Research on stalk morphological structure characteristics and its relationship between the lodging of different wheat varieties. Journal of Triticeae Crops, 2017, 37(10): 1343-1348. (in Chinese)

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晚霜冻模拟手段 Simulating method of late frost	试验年份 Experimental year	冬小麦品种 Winter wheat varieties	种植方式 Planting pattern	处理温度 Treatment temperature
低温室模拟 Cold Climate Chamber simulating	2015-2016	周麦22 ZM22	盆栽种植 Pot planting	-1℃、-3℃、-5℃、-7℃、-9℃、-11℃
田间可移动式霜箱模拟 Field Movable Climate Chamber simulating	2011-2012 2013-2014	豫麦18、周麦18和偃展4110 YM18, ZM18 and YZ4110 周麦22 ZM22	小区种植 Plot planting	-1℃、-3℃、-5℃、-7℃、-9℃

试验 Experiment	处理日期 Treatment date	处理温度及时间间隔 Treatment temperature and time interval	主茎幼穗分化阶段 Differentiation stage of young ear in the main stem
试验1 Exp.1	03-20-03-22, 2016	-11℃: 12:00-18:00; -9℃: 18:30-00:30; -7℃: 01:20-07:20; -5℃: 09:00-15:00; -3℃: 15:30-21:30; -1℃: 22:00-04:00	小花原基分化期 Floret primordia differentiation phase
试验2 Exp.2	03-25-03-27, 2016	-11℃: 12:30-18:30; -9℃: 18:30-00:30; -7℃: 01:00-07:00; -5℃: 08:30-14:30; -3℃: 14:30-20:30; -1℃: 21:00-03:00	雌雄蕊原基分化期 Pistil and stamen primordia differentiation phase
试验3 Exp.3	03-30-04-01, 2016	-11℃: 21:30-03:30; -9℃: 15:30-21:30; -7℃: 09:00-15:00; -5℃: 16:00-22:00; -3℃: 22:30-04:30; -1℃: 10:00-16:00	药隔形成前期 Early anther connective tissue formation phase
试验4 Exp.4	04-05-04-07, 2016	-11℃: 12:30-18:30; -9℃: 19:30-01:30; -7℃: 02:00-08:00; -5℃: 09:00-15:00; -3℃: 19:00-01:00; -1℃: 01:00-07:00	药隔形成后期 Late anther connective tissue formation phase
试验5 Exp.5	04-10-04-12, 2016	-9℃: 19:00-01:00; -7℃: 01:00-07:00; -5℃: 12:00-18:00; -3℃: 19:00-01:00; -1℃: 01:00-07:00	四分体时期 Tetrad formation phase
试验6 Exp.6	04-15-04-16, 2016	-9℃: 09:00-15:00; -7℃: 17:00-23:00; -5℃: 23:00-05:00; -3℃: 10:30-16:30; -1℃: 16:30-22:30	抽穗期 Heading phase

试验 Experiment	处理日期 Treatment date	处理温度及时间间隔 Treatment temperature and time interval	主茎幼穗分化阶段 Differentiation stage of young ear in the main stem
试验7 Exp.7	03-30-03-31, 2012	-1℃: 6:30 - 12:30; -3℃: 12:30 - 18:30; -5℃: 18:30 - 0:30; -7℃: 0:30 - 6:30; -9℃: 6:30 - 12:30	药隔形成后期 Late anther connective tissue formation phase
试验8 Exp.8	03-20-03-22, 2014	-9℃: 17:20 - 01:20; -7℃: 01:20 - 09:20; -5℃: 09:20 - 17:20; -3℃: 17:20 - 01:20; -1℃: 01:20 - 09:20	雌雄蕊原基分化期 Pistil and stamen primordia differentiation phase
试验9 Exp.9	04-01-04-02, 2014	-9℃: 17:20 - 23:20; -7℃: 23:20 - 05:20; -5℃: 05:20 - 11:20; -3℃: 11:20 - 17:20; -1℃: 17:20 - 23:20	四分体时期 Tetrad formation phase

试验 Experiment	品种 Cultivar	处理 Treatment	对照 CK	试验 Experiment	品种 Cultivar	处理 Treatment	对照 CK
试验1 Exp.1	周麦22 ZM22	136	11	试验7 Exp.7	豫麦18 YM18	50	10
试验2 Exp.2		128	10		周麦18 ZM18	49	9
试验3 Exp.3		124	11		偃展4110 YZ4110	48	10
试验4 Exp.4		119	11	试验8 Exp.8	周麦22 ZM22	142	29
试验5 Exp.5		132	11	试验9 Exp.9	周麦22 ZM22	141	29
试验6 Exp.6		135	9

试验 Experiment	穗长 EL	穗下节间长 PL	倒二节间长 PIL	倒三节间长 AIL	倒四节间长 FIL
试验1 Exp.1	0.080	-0.175^*	-0.112	0.100	0.261^**
试验2 Exp.2	0.339^***	-0.127	0.181*	0.308^***	0.114
试验3 Exp.3	0.270^**	0.132	0.323^***	0.139	0.296^***
试验4 Exp.4	0.472^***	-0.036	0.406^***	0.259^**	0.626^***
试验5 Exp.5	-0.139	-0.249^**	0.149	0.297^***	0.201^*
试验6 Exp.6	-0.186^*	0.175^*	-0.073	0.047	-0.294^***

Reduction of Plant Height in Winter Wheat and Its Relationship with Grain Yield Under Late Frost Stress

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