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Melatonin-Mediated Induction of Salt Tolerance in Maize at Germination and Seedling Stage

Melatonin-Mediated Induction of Salt Tolerance in Maize at Germination and Seedling Stage

Syed Saqlain Hussain1*, Muhammad Rasheed2, Zammurad Iqbal Ahmed2, Ghulam Jilani3, Muhammad Irfan4, Muhammad Kashif Aziz5, Fiaz Hussain1, Muhammad Akhlaq Mudassar1 and Zuhair Hasnain2

1Sugarcane Research Institute, AARI, Faisalabad, Pakistan; 2Department of Agronomy, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan; 3Institute of Soil and Environmental Sciences, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi, Pakistan; 4Soil Salinity Research Institute, Pindi Bhattian; 5Wheat Research Institute, AARI, Faisalabad, Pakistan.

 
*Correspondence | Syed Saqlain Hussain, Sugarcane Research Institute, AARI, Faisalabad, Pakistan; Email: saqlainssri@gmail.com

Figure 1:

Schematic diagram of the first experiment showing priming of seed with different melatonin concentrations including hydropriming. Each beakers contain requisite melatonin solution and fifteen (15) seeds out of sixty sterilized seeds (60) from each genotype and connected with air pump (only beakers). Each petri dish contains five (5) primed seed out of fifteen (15) seeds from each beaker and replicated thrice.

Figure 2:

Variable PCA.

Figure 3:

Bi-plot showing the dispersion of different treatments combinations.

Table 3:

Pearson’s correlations coefficients for different parameters as affected by melatonin priming and maize genotypes under salt stress conditions.

**Correlation significant at 0.01 level, LS-length of shoot, LR-length of roots, FSW-fresh shoot weight, DSW-dry shoot weight, FRW-fresh root weight, DRW-dry root weight, SD-stem diameter, LA-leaf area and NL-number of leaves.

Pakistan Journal of Zoology

June

Pakistan J. Zool., Vol. 56, Iss. 3, pp. 1001-1500

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