The Effect of Water Stress and Salinity on the Yield and Yield Components of Canola in the West Region of Urmia Lake Basin, Iran

Journal of Applied Biological Sciences

Mokhtar NESHATI RAD¹  Sina BESHARAT¹  Abolfazl MAJNOONI-HERIS¹ 

关键词: Canola;    Salinity Stress;    Urmia Lake;    Water stress;    Yield;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

DuetothedryingtrendofUrmiaLake,climatechangeandfrequentoccurrenceofdroughtsintheregion.Thewaterresourceshaveadecliningtrendandsoilsarebeingsaline.Consequentlyinordertoinvestigatethecanolayieldundersimultaneouslyexistenceofsalinityanddroughtstressconditions,anexperimentinthefactorialfromandcompletelyrandomizedblocksformatwasdesignedin3replicationsanddoneinresearchfieldofwaterengineeringgroupofUrmiaUniversityduring2012-13yearin10months.Thewaterlevelsincluded3irrigationtreatments:uptofieldcapacity(FC),75%ofFCand50%ofFCandsalinitytreatmentwerealsoexertedin3levels:salinityoffieldsoil(withoutsalinitystress),7and14ds/m.Theresultsshowedthattheseedyieldtopdrymatterandtheweightof1000seedsweredecreasedunderwaterandsalinitystressescondition.Naturallyusingmorewatermitigatesgreatlytheproductdeclinesduetosalinitystresses.Theobtainedresultillustratedthatdrymatterwiththemaximumproductionamountof16.9Mgr/ha,ismoresensitivetosalinitystress.Alsotheweightof1000seedswiththeyieldof3.4grismoresensitivetothewatershortagethansalinitystress.Theevaluationsshowedthattheinteractionandsalinityhasreducedimpressivelythecanolayield.

【 授权许可】

Unknown