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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, 张军强2, 谭亚华3, 商水根1, 徐印印1, 石 垒1, 姜硕琛1, 姜汉峰1, 熊瑞刚4, 贾旭东1, 邢丹英1, 谢义梅5
1.长江大学作物富硒应用技术研究所;2.恩施州土壤肥料工作站;3.恩施市土壤肥料工作站;4.恩施市新塘乡农技推广服务中心;5.国家硒产品质量监督检测中心
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3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(7 822.6 kg/hm2)>华玉11号(7 302.11 kg/hm2)>双玉919(6 940.47 kg/hm2)>禾盛玉718(6 860.41 kg/hm2)>正大999(6 374.98 kg/hm2)>万玉168(5 964.29 kg/hm2)>恩单804(5 889.69 kg/hm2)>兴农单3号(5 692.68 kg/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
DOI:10.13758/j.cnki.tr.2018.06.013
分类号:S513
基金项目:国家公益性行业(农业)科研专项(201303106)和湖北省富硒产业研究院项目(XKJ-201501-15)资助。
Effects of Soil Selenium Content on Agronomic Traits, Yield and Selenium Content of Maize
WANG Meng1, ZHANG Junqiang2, TAN Yahua3, SHANG Shuigen1, XU Yinyin1, SHI Lei1, JIANG Shuochen1, JIANG Hanfeng1, XIONG Ruigang4, JIA Xudong1, XING Danying1, XIE Yimei5
1.Crop Se-rich Application Technology Institute, Yangtze University;2.Soil and Fertilizer Workstation of Enshi Prefecture;3.Soil and Fertilizer Workstation of Enshi City;4.Xintang Technology Extension Service Center for Agricultural in Enshi;5.National Quality Supervision and Testing Center for Selenium Products
Abstract:
Eight maize varieties with different genetic backgrounds were planted in two kinds of soils with different selenium contents to study the differences of agronomic characters, yield and selenium content of maize. The results showed that soil selenium content had increasing effects on plant height, ear position and visible leaf number of maize, the three indexes of maize in selenium-enriched region were higher than those in non-selenium-rich region, but maize yield in selenium-enriched region was not higher than that of non-selenium-rich region. The yields of the tested varieties were 7 822.6 kg/hm2 for Kangnongyu 108, 7 302.11 kg/hm2 for Huayu 11, 6 940.47 kg/hm2 for Shuangyu 919, 6 860.41 kg/hm2 for Heshengyu 718, 6 374.98 kg/hm2 for Zhengda 999, 5 964.29 kg/hm2 for Wanyu 168, 5 889.69 kg/hm2 for Endan 804 and 5 692.68 kg/hm2 for Xingnongdan No. 3, respectively. Selenium content in soil promoted the selenium content in maize kernels, and selenium content in grains of the tested varieties was in an order of Xingnongdan No.3 > Shuangyu 919 > Wanyu168 > Endan 804 > Kangnongyu 108 > Zhengda 999 > Huayu 11 > Heshengyu 718.
Key words:  Maize variety  Selenium content  Selenium soil background

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