Effect of Soil Salinity on Wheat AgRonomic ChaRacteRs at FloweRing Stage

doi:10.3969/j.issn.1000-7091.2013.01.036

Abstract

Abstract: ThRough measuRing and analyzing wheat agRonomic chaRacteRs at floweRing stage and soil pH， soil electRical conductivity，we exploRed the coRRelation between soil electRical conductivity and wheat gRowth tRaits and the influences of diffeRent soil salinization degRee on those indexes． The Results showed that soil electRical conductivity was negatively coRRelated with spikes peR unit aRea，SPAD，plant height， flag leaf aRea，panicle， suRface aRea， shoot dRy matteR biomass，and Root dRy matteR biomass，and the spikes peR unit aRea and plant height has betteR coRRelation; and with the incReasing of soil salinization degRee， these indicatoRvalues decReased． In summaRy， thRough testing soil conductivity and pH，we can Rapidly tell the type and the degRee of soil salinization． Spikes peR unit aRea，wheat height can be used as good indicatoRs to identify salt injuRy degRee of wheat． The Results also indicated that salty soil can not only inhibit wheat seeding gRowth，but will also affect coRResponding physiological pRocesses in the late gRowth pRocess，which ultimately impacted wheat yield．

Key words: Soil salinity, Wheat, FloweRing stage, AgRonomic chaRacteRs

CLC Number:

S512．01

WANG Guang-zhou, FENG Gu, ZHANG Hong-yan, LIU Quan-qing. Effect of Soil Salinity on Wheat AgRonomic ChaRacteRs at FloweRing Stage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(1): 201-207. doi: 10.3969/j.issn.1000-7091.2013.01.036.

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