Abstract
Water scarcity is an alarming issue in arid and semi arid regions of Pakistan, which
cause drought stress and reduced plant growth. A pot experiment was conducted to
study the effective role of Si for the growth of maize hybrids (FH-922, FH-949, FH-
988 and FH-1137) with brackish water application. The physical parameters like plant
height, shoot fresh weight, shoot dry weight; number of leaves per plant and chlorophyll
contents (SPAD Value) were recorded. The ionic parameters like sodium (Na),
potassium (K), silicon (Si) concentration and K: Na ratio were also recorded. The
results revealed a relatively different response of four maize hybrids among all the
studied parameters. Among all the variable maize hybrids, FH-988 showed the
considerable increase in plant height; shoot fresh and dry weight and leaf chlorophyll
contents. However, maize hybrids FH-922 and FH-1137 were more sensitive as
compared to FH-988 and FH-949 due to less production in dry matter, chlorophyll
contents, K concentration and K: Na ratio.
Muhammad Jan, Muhammad Anwar ul Haq, Tanveer ul Haq, Anser Ali, Saqib Bashir, Muhammad Yousaf, Shahbaz Khan. (2019) Silicon application improve maize (Zea mays L.) performance through ionic homeostasis and ameliorating adverse effects of brackish water, Asian Journal of Agriculture and Biology, Volume 7, Issue 3.
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