钾肥对灌浆期冬小麦群体内叶片光合特性的影响

应用生态学报 ›› 2003, Vol. ›› Issue (5): 690-694.

钾肥对灌浆期冬小麦群体内叶片光合特性的影响

齐华¹, 于贵瑞¹, 程一松², 王建林³

1. 中国科学院地理科学与资源研究所, 北京 100101;
2. 中国科学院石家庄农业现代化研究所, 石家庄050021;
3. 沈阳农业大学, 沈阳110161

收稿日期:2002-09-14 修回日期:2002-12-24
通讯作者: 于贵瑞
基金资助:
中国科学院“百人计划”生态系统管理的基础生态学过程研究项目;中国科学院地理科学与资源研究所知识创新工程主干科学计划资助项目(CX10GE010201)

Effect of potassium fertilization on the photosynthetic characteristics of the leaf of winter wheat population during its grain filling stage

QI Hua¹, YU Guirui¹, CHENG Yisong², WANG Jianlin³

1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. Institute of Shijiazhuang Agricultural Modernization Research, Chinese Academy of Sciences, Shijiazhuang 050021, China;
3. Shenyang Agricultural University, Shenyang 110161, China

Received:2002-09-14 Revised:2002-12-24

摘要/Abstract

摘要： 通过在连续6年施钾与不施钾处理的试验区内,对冬小麦(Triticum aestivum)灌浆期群体内旗叶叶片光合特性的研究表明,施用钾肥时,最大净光合速率(Pmax)增加,光饱和点(LSP)和光补偿点(LCP)提高,表观量子效率(α)降低,表观暗呼吸速率(Rd)略有上升;施钾与不施钾处理的净光合速率(Pn)日变化,晴天和阴天均呈单峰曲线,晴天午前与午后及阴天各时刻的瞬间净光合速率(Pn)下降的主要原因是“气孔因素”,而晴天中午前后则更主要是由于“非气孔因素”作用.

关键词: 冬小麦, 钾肥, 灌浆期, 光合特性, InVEST模型, 景观格局, 生境质量, CA-Markov模型, 驱动力, Logistic回归模型

Abstract: Six years field trials with or without potassium application showed that under potassium application,the maximum photosynthetic rate (Pmax),light saturation point (LSP) and light compensation point (LCP) of the flag leaf of winter wheat during its grain filling stage increased, the apparent photon utilization efficiency(α) decreased, and the dark respiration rate (Rd) increased slightly. For the daily variation of net photosynthetic rate(Pn) of winter wheat with and without potassium application, it appears a single peak curve, whether the weather condition was sunny or cloudy. "Stomatal factor" was the main cause of the decrease of net photosynthetic rate (Pn) in the beforenoon and afternoon of sunny days and in the whole day of cloudy days, while "non stomatal factor" was the main cause for the decrease of Pn around midday in sunny days.

Key words: Winter wheat, Potassium fertilizer, Grain filling stage, Photosynthetic characteristics, InVEST model, CA-Markov model, habitat quality, Logistic regression model, landscape pattern, driving force.

中图分类号:

Q945.11

齐华, 于贵瑞, 程一松, 王建林. 钾肥对灌浆期冬小麦群体内叶片光合特性的影响[J]. 应用生态学报, 2003, (5): 690-694.

QI Hua, YU Guirui, CHENG Yisong, WANG Jianlin. Effect of potassium fertilization on the photosynthetic characteristics of the leaf of winter wheat population during its grain filling stage[J]. Chinese Journal of Applied Ecology, 2003, (5): 690-694.

参考文献

[1] Clark RB.1982. Plant response tomineral element toxicity and deficiency. In:Christiansen MN, Lewis CF eds. Breeding Plants for Less Favorable Environments.New York:John Wiley and Sons.137～141
[2] Cown IR,et al.1982.A possible role for abscisic acid in stomatal conductance and photosynthetic carbon metabolism in leaves.Aust J Plant Physiol,9:489～498
[3] Grammatikopoulos G,Manetas Y.1990.Diurnal changes in phosphoenolpyruvate carboxylase and pyruvate, orthophosphate dikinase properties in the natural environment: interplay of light and temperature in a C4 thermophile.Physiol Plant,80:593
[4] Kalt-Torres W,Kerr PS,Usuda H,et al.1987.Diurnal changes in maize leaf photosynthesis Ⅰ.Carbon exchange rate, assimilate export rate, and emzyme activities.Plant Physiol.83:283
[5] Khairi, MMA,and Hall AE.1976.Temperature and humidity effect on net photosynthesis and transpiration of citrus.Physiol Plant,36:29～34
[6] Kuppers M,et al.1986.Carbon fixation in eucalypts in field-analysis of diurnal variations in photosynthetic capacity.Oecologia,70:273～282
[7] Li Y-Y(李秧秧). 1995. Effect of potassium on photosynthetic induction of leaves under drought condition.Plant Physiol Commun(植物生理学通讯),31(3):178～181 (in Chinese)
[8] Liu Y-F(刘允芬),Yu G-R(于贵瑞),Li J-Y(李家勇). 2001. Characteristics of photosynthesis for double-cropping rice in the red soil hilly area.Resour Sci(资源科学),23(6):49～53 (in Chinese)
[9] Liu Y-F(刘允芬),Zhang X-Z(张宪洲), Zhou Y-H(周允华).2000. Apparent quantum yield efficiency of winter in Taibet Plateau.Acta Ecol Sin(生态学报),20(1):35～38 (in Chinese)
[10] Long SP,Humphries S,Falkowski PG.1994.Photoinhibition of photosynthesis in nature.Annu Rev Plant Physiol Mol Biol,45:633～662
[11] Loveys BR.1984.Diurnal changes in water relations and abscisic acid in field-grew Vitis vnifera cultivar Ⅲ.The influence of xylem-derived abscisic acid on gas exchange.The New Phytol,98:563～573
[12] Qiu G-X(邱国雄).1992. Photosynthesis efficiency of vegetation. In:Botanic Physiology and Molecular Biology.Beijing: Science Press.236～243(in Chinese)
[13] Sharkey TD.1984.Transpiration-induced changes in the photosynthetic capacity of leaves.Planta,160:143～150
[14] Tenhunen JD,et al.1991.Factors influencing carbon fixation and water use by Mediterrenean sclerophyll shrubs during summer drought.Oecologia,82:381～393
[15] Usuda H,Kalt-Torres W,Kerr PS,et al.1987. Diurnal changes in maize leaf photosynthesis Ⅱ.Leaves of metabolic intermediates of sucrose synthesis and the regulatory metabolite fructose 2,6-bisphosphate.Physiol Plant,83:289
[16] Xu D-Q(许大全),Ding Y(丁勇),Shen Y-G(沈允钢). 1993. Diurnal variation of photosynthetic efficiency in leaves of C4 plant maize.Acta Phytophysiol Sin(植物生理学报),19(1):43～48(in Chinese)
[17] Xu D-Q(许大全),Xu B-J(徐宝基),Shen Y-G(沈允钢). 1990. Diurnal variation of photosynthetic efficiency in C3 plants.Acta Phytophysiol Sin(植物生理学报),16(1):1～5 (in Chinese)
[18] Yu Q(于强),Ren B-H(任宝华),Wang T-D(王天铎). 1998. A simulation of diurnal variations of photosynthesis of C3 plant leaves.Sci Atmos Sin(大气科学),22(6):867～880 (in Chinese)
[19] Zhang S-R(张守仁), Gao R-F(高荣孚).2001.Light induces leaf orientation and chloroplastmovemes of hybrid poplar clones.Acta Ecol Sin(生态学报),21(1):68～74(in Chinese)
[20] Zhang X-Q (张小全), Xu D-Y(徐德应).2001.Light responses of 18-year-old China fir shoots in relation to shoot ages and positions within crown. Acta Ecol Sin(生态学报),21(3):409～414(in Chinese)