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1、土壤含硒量对玉米农艺性状、产量及籽粒硒含量的影响王孟1,2,张军强3,谭亚华4*,商水根1,徐印印1,石垒1,姜硕琛1,姜汉峰1,熊瑞刚5,贾旭东1,邢丹英1,2**,谢义梅6***(1.长江大学a.作物富硒应用技术研究所b.农学院湖北荆州434025;2.主要粮食作物产业化湖北省协同创新中心湖北荆州434025;3.恩施州土壤肥料工作站湖北恩施445000;4.恩施市土壤肥料工作站湖北恩施445000;5.恩施市新塘乡农技推广服务中心湖北恩施445012,6.国家硒产品质量监督检测中心湖北恩施445000
2、)摘要:在2个硒含量的土壤背景下,种植8个不同遗传背景的玉米品种,研究土壤硒含量对玉米品种的农艺性状、产量及硒含量的差异,结果表明:①土壤硒含量对玉米的株高、穗位、可见叶片数有增加效应,富硒区玉米的三个指标高于非富硒区,但富硒区的单产未能表现高于非富硒区。②供试品种的产量依次为康农玉108(7822.6kg/hm2)、华玉11号(7302.11kg/hm2)、双玉919(6940.47kg/hm2)、禾盛玉718(6860.41kg/hm2)、正大999(6374.98kg/hm2)、万玉168(5964.
3、29kg/hm2)、恩单804(5889.69kg/hm2)、兴农单3号(5692.68kg/hm2)。③土壤硒含量对玉米籽粒的硒含量有促进作用,供试品种籽粒硒含量依次为:兴农单3号、双玉919、万玉168、恩单804、康农玉108、正大999、华玉11号、禾盛玉718。关键词:玉米品种硒含量硒土壤背景The Effects of Soil Selenium Content on Agronomic Traits, Yield and Selenium Content in MaizeWANG-Meng1,
4、ZHANGJun-qiang3,TANYa-Hua4*,SHANGShui-gen1,XuYin-yin1,SHI-Lei1,JIANGShuo-chen1,JIANGHan-feng1,XIONGRui-gang5,JIAXu-Dong1,XieYi-mei6**,XINGDan-ying1,2***.(1.YangtzeUniversitya.CropSe-richApplicationTechnologyInstitute;b.CollegeofAgronomy,Jingzhou,Hubei43402
5、5,China;2.CollaborativeInnovationCenterforGrainIndustry,Jingzhou,Hubei434025,China;3.SoilandFertilizerWorkstationofEnshiPrefecture,Enshi,Hubei445000.4.SoilandFertilizerWorkstationofEnshiCity,Enshi,Hubei445000.5.TechnologyExtensionServiceCenterForAgricultur
6、alinEnshiXintangRural,Enshi,Hubei445012.6.NationalQualitySupervisionandTestingCenterforSeleniumProducts,Enshi,Hubei445000.)Abstract:Planted8maizevarietieswithlargegeneticbackgroundundertwosoilbackgroundwithdifferentseleniumcontent,tostudythedifferencesofag
7、ronomiccharacters,yieldandseleniumcontent.1.Soilseleniumcontenthasanincreasingeffectonplantheight,earpositionandvisibleleafnumberofmaize.Thethreeindexesofcorninselenium-enrichedregionarehigherthannon-selenium-richregion,buttheyieldsinselenium-enrichedregio
8、narenothigherthanthatofnon-selenium-richregion.2TheyieldsofthetestedvarietieswereKangnongyu108(7822.6kg/hm2),Huayu11(7302.11kg/hm2),Shuangyu919(6940.47kg/hm2)andHeshengyu718(6860.41kg/hm2).Zhengda999(6374.98k