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Biochemical and physiological study of two maize genotypes under salt stress


The International Journal of Biological Research (TIJOBR)

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Ayesha Idrees1*+M. Asim Raza2+, Zoya Batool Naqvi1, Lubaba Shamsi1, Sana Shaukat1, Sana Rubab1

Imrana Mushtaq1, Aneela Ameer1

1Department of BotanyUniversity of Agriculture, Faisalabad, Pakistan.

2Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan.

*Corresponding author’s email: ayeshaumair12@yahoo.com

Submitted Accepted Published
Apr 18,2019 Oct 21,2019 Nov 03,2019

2019 / Vol: 2 / Issue: 3


Abstract


Two maize genotypes were grown under CRD with three replications to evaluate the response of these genotypes to the foliar application of iron sulphate under saline and control conditions in the wire house of the Old Botanical Garden in UAF. The saline treatments were (0 and 150mM) along with iron sulphate (0 and 100ppm) application. The data regarded physiological and biochemical parameters like chlorophyll contents (a & b), photosynthetic rate, transpiration rate, stomatal conductance, Sub-stomatal CO2 concentration, Carotenoid contents, protein contents, POD, root Ca, shoot Ca, root Na, shoot Na, root K and shoot K were recorded at seedling stage. The results showed that the salinity cause reduction in plant growth and development and the foliar application of iron sulphate results in improvement of recorded parameters.

Key words: Maize, iron sulphate, salinity


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