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

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (1): 18-23.doi: 10.3969/j.issn.2096-1197.2019.01.04

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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

Abstract

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

CLC Number:

S512.1

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

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