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Evaluation of Local and Multinational Maize Hybrids for Tolerance Against High Temperature using Stress Tolerance Indices

Evaluation of Local and Multinational Maize Hybrids for Tolerance Against High Temperature using Stress Tolerance Indices

Saleem Ur Rahman1, Muhammad Irfan Yousaf1*, Mozammil Hussain2, Khadim Hussain1, Shahid Hussain1, Muhammad Husnain Bhatti1, Dilbar Hussain1, Aamir Ghani1, Abdul Razaq1, Muhammad Akram1, Iqra Ibrar1, Muhammad Shakeel Ahmad1, Shoaib Anwar Kohli3, Muhammad Abubakar Siddiq4

1Maize and Millets Research Institute (MMRI), Yusafwala, Sahiwal, Pakistan; 2Pakistan Agricultural Research Council, Pakistan; 3Fodder Research Institute, Sargodha, Pakistan; 4Soil and Water testing laboratory for research, Sargodha, Pakistan.

 
*Correspondence | Muhammad Irfan Yousaf, Maize and Millets Research Institute (MMRI), Yusafwala, Sahiwal, Pakistan; Email: irfanpbg.uaf@gmail.com 

Figure 1:

Three Years Metrological data of normal and heat sown maize hybrids.

Figure 2:

Three year’s averages of kernel yield of corn hybrids under normal and high temperature stress conditions.

Figure 3:

PC-1 and PC-2 biplot of stress tolerance indices for the year 2017 and 2018.

Figure 4:

PC-1 and PC-2 biplot stress tolerance indices for the year 2019.

Equation 1
Equation 2

Pakistan Journal of Agricultural Research

December

Vol.36, Iss. 4, Pages 297-403

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