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Journal of Henan Agricultural University. 2016, (05) Core

Effect of spraying Zn and Mo fertilizers on corn growth and development,and yield ＆ quality under waterlogging stressesChinese Full TextEnglish Full Text (MT)

LI Wen;LI Lingli;WANG Zhiqiang;LIN Tongbao;College of Agronomy,Henan Agricultural University;

Abstract: Under waterlogging stresses in the early grouting stage,the effects of leaf spraying of Zn,Mo and Zn + Mo fertilizers are studied on growth and development and photosynthetic characteristics as well as yield and quality of corn during seeding stage under field conditions. The results show that various treatments had effects on relieving the waterlogging-stresses-led leaf growth being blocked and fast withering,chlorophyll damage and fast decrease of its content; reducing the waterlogging-stresses-led photosynthetic stomatal obstruction,increasing photosynthetic stomatal conductance（ Cs） and transpiration intensity（ Tr）; maintaining higher photosynthetic characteristics and increasing photosynthetic rate; and maintaining relatively stable growth of corn after waterlogging stresses. All significantly promoted corn dry material accumulation and increased corn ear and seed weight by 12. 26 % 13. 99%,grain crude protein by 8. 25% 9. 69%,crude fat by 12. 05% 13. 98%,aminophenol content by10. 71 % 14. 29%,and yield by 11. 51% 12. 90%. Compared with the controll treatment,the difference was significant. Among them,Zn + Mo was found to have the best effect.
Keywords：

corn; waterlogging; Zn; Mo; growth and development; photosynthetic characteristics; yield; quality;

  • DOI：

    10.16445/j.cnki.1000-2340.2016.05.003

  • Series：

    (D) Agriculture

  • Subject：

    Crop

  • Classification Code：

    S513

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