Effects of Silicon on Corn Physiological and Biochemical Characters under the Conditions of Water Stress

doi:10.7668/hbnxb.2018.01.024

Abstract

Abstract: For the study of water stress under the influence of silicon on physiological biochemical characters of maize seedling.Through the experimental analysis the physiological and biochemical indexes of maize seedling height,leaf area,stem diameter,root length,root activity,MDA content,proline content and photosynthesis so on.The results showed,in the same water treatments,with the increased of the content of silicon fertilizer,height,leaf area,stem diameter,root length,root activity,Chlorophyll content all increased,MDA content,proline content have decreased.In the same silicon treatments,with the increased of the content of water,height,leaf area,stem diameter,root length,root activity,Chlorophyll content all have increased,MDA content,proline content have decreased.In general,use silicon can be mitigated the adversity of corn seedling under water stress,corn will grow best in the relative water content of 75% and the density is 0.266 g/kg; Enhance the resistance of corn obviously when the relative water content of 45% and use silicon fertilizer 0.133-0.266 g/kg.

Key words: Water stress, Silicon, Corn, Physiological and biochemical characters

CLC Number:

S513.01

LIN Shaowen, LIU Shutang, SUI Kaiqiang, HUANGFU Chenghui. Effects of Silicon on Corn Physiological and Biochemical Characters under the Conditions of Water Stress[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2018, 33(1): 160-167. doi: 10.7668/hbnxb.2018.01.024.

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