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Effect of Seed Rate on Yield Components and Grain Yield of Ridge Sown Wheat Varieties

Effect of Seed Rate on Yield Components and Grain Yield of Ridge Sown Wheat Varieties

Javed Iqbal1, Ali Zohaib1*, Muzzammil Hussain1, Adnan Bashir1, Muhammad Hamza2, Wardah Muzaffer3, Muhammad Tahir Latif1 and Naeem Faisal1 

1Adaptive Research Farm, Gujranwala 52200, Pakistan; 2Department of Agronomy, University of Agriculture, Faisalabad 38040, Pakistan; 3Sugarcane Research Institute, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan.

alizohaib208@gmail.com  

ABSTRACT

Wheat productivity could be improved by ridge sowing with optimized seed rate for different varieties. This 3-years study was conducted to determine the optimum seed rate for different varieties of ridge sown wheat for better yield and related components. Wheat varieties (Faisalabad-08, Punjab-11 and Galaxy-13) were sown on ridges using two different seed rates (125 and 150 kg ha-1). Increase in seed rate improved the emergence (plants per m2), number of productive tillers per m2 and grain yield (3-7%) of all wheat varieties although productive tillers per plant, number of grains per spike and 1000-grain weight was decreased. Faislabad-08 performed better regarding grain yield and related components among all varieties. Seed rate and varieties did not interact significantly for studied traits. Correlation analysis revealed that grain yield was positively correlated with number of productive tillers per m2 during all years and grain weight during first year; while, negatively correlated with number of grains per spike during second year indicating that increase in grain yield was associated mainly with increase in number of productive tillers per unit area in response to seed rate. In conclusion, increase in seed rate improved the grain yield of ridge sown wheat by enhancing the number of productive tillers per unit area and could be exploited to improve the wheat productivity. 

 

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Pakistan Journal of Zoology

August

Vol. 52, Iss. 4, Pages 1225-1630

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