不同剂量氮离子注入对小麦生长发育及光合特性的影响

doi:10.3969/j.issn.2096-1197.2019.01.04

北方农业学报 ›› 2019, Vol. 47 ›› Issue (1): 18-23.doi: 10.3969/j.issn.2096-1197.2019.01.04

不同剂量氮离子注入对小麦生长发育及光合特性的影响

郭明明[1];樊继伟[1];陈凤[1];李强[1];孙中伟[1];王康君[1];张广旭[1];赵雪君[2];浦汉春[1];代丹丹[3]

[1]徐淮地区连云港农业科学研究所/连云港市农业科学院,江苏连云港222000;[2]灌云县植物保护站,江苏灌云222200;[3]连云港市农业委员会,江苏连云港222006

收稿日期:2018-12-11 出版日期:2019-01-19 发布日期:2019-08-19
作者简介:郭明明(1988—),男,助理研究员,硕士,主要从事小麦育种的研究工作;通讯作者:樊继伟(1982—),男,副研究员,学士,主要从事小麦育种及优质高产栽培技术的研究工作。
基金资助:
江苏省农业重大新品种创制项目(PZCZ201706);连云港市财政专项(QNJJ1714).

Effects of different N ion implantation doses on growth and development and characteristics of photosynthesis of wheat

GUO Mingming[1];FAN Jiwei[1];CHEN Feng[1];LI Qiang[1];SUN Zhongwei[1];WANG Kangjun[1];ZHANG Guangxu[1];ZHAO Xuejun[2];PU Hanchun[1];DAI Dandan[3]

[1]Institute of Lianyungang Agricultural Science of Xuhuai Area of Jiangsu/Lianyungang Academy of Agricultural Sciences,Lianyungang 222000,China;[2]Guanyun County Plant Protection Station,Guanyun 222200,China;[3]Lianyungang city agriculture committee,Lianyungang 222006,China

Received:2018-12-11 Online:2019-01-19 Published:2019-08-19

摘要/Abstract

摘要： 以该地区主栽品种连麦7号和烟农19为试验材料,采用盆栽试验方法,研究不同剂量N+注入对2个小麦品种生长发育及旗叶光合特性的影响。结果表明:不同剂量N+注入,连麦7号和烟农19种子发芽率、苗高、株高、旗叶SPAD值及净光合速率等均呈下降趋势,且生育进程推迟;随着剂量的增加,N+注入对2个小麦品种的生长发育及光合特性的影响不断加大,其中N+注入对连麦7号的抑制作用要小于烟农19。而在灌浆后期,当N+注入剂量达到3×1016N+/cm2时,烟农19旗叶净光合速率显著降低;继续加大剂量到4×1016N+/cm2,连麦7号旗叶净光合速率开始显著下降。连麦7号对N+注入剂量的敏感度要小于烟农19。得出不同剂量N+注入会在一定程度上影响2个小麦品种的生长发育,进而影响高产的形成,且在品种间存在差异,其中连麦7号对于N+注入剂量的敏感度要小于烟农19。

关键词: N+;注入剂量;小麦;生长发育;光合特性

Abstract: The effects of N ion implantation doses on growth and development and characteristics of photosynthesis of the main cultivars wheat in the region(Lianmai 7 and Yannong 19)were investigated by pot planting experiment.The results indicated that different N ion implantation doses had different negative influences on germination,seedling height,plant height,SPAD readings and characteristics of flag leaf photosynthesis between Lianmai 7 and Yannong 19.In addition,growth process of the two kinds of wheat were delayed under these conditions.At increasing of doses,the effects of N ion implantation on growth and development and characteristics of photosynthesis of wheat were increased constantly,in which the inhibitory effects of N ion implantation on Lianmai 7 were less than on Yannong 19.When implanted with 3×1016 N+/cm2,the net photosynthesis rate of the flag leaf of Yannong 19 was significantly decreased during the late filling period,however the net photosynthesis rate of the flag leaf of Lianmai 7 significantly decreased at the 4×1016 N+/cm2 level.The above results showed that the sensitivity of N ion implantation dose in Lianmai 7 was lower than Yannong 19.It was concluded that different doses of N+implantation affect the growth and development of the two wheat varieties to a certain extent,thus affecting the formation of high yields,and there were differences among the varieties,among which the sensitivity of Lianmai 7 to N+implantation dose was lower than that of Yannong 19.

Key words: N ion;Implantation dose;Wheat;Growth and development;Characteristics of photosynthesis

中图分类号:

S512.1

郭明明;樊继伟;陈凤;李强;孙中伟;王康君;张广旭;赵雪君;浦汉春;代丹丹. 不同剂量氮离子注入对小麦生长发育及光合特性的影响[J]. 北方农业学报, 2019, 47(1): 18-23.

GUO Mingming;FAN Jiwei;CHEN Feng;LI Qiang;SUN Zhongwei;WANG Kangjun;ZHANG Guangxu;ZHAO Xuejun;PU Hanchun;DAI Dandan(Institute of Lianyungang Agricultural Science of Xuhuai Area of Jiangsu/Lianyungang Academy of Agricultural Sciences,Lianyungang 222000,China;Guanyun County Plant Protection Station,Guanyun 222200,China;Lianyungang city agriculture committee,Lianyungang 222006,China). Effects of different N ion implantation doses on growth and development and characteristics of photosynthesis of wheat[J]. Journal of Northern Agriculture, 2019, 47(1): 18-23.

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不同剂量氮离子注入对小麦生长发育及光合特性的影响

Effects of different N ion implantation doses on growth and development and characteristics of photosynthesis of wheat

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