Sowing Variability Measurement of Maize Hybrids and Observation of Physiological
Changes from Supplement Different Rate of Nitrogen
Ram Prakash Srivastava1 Saket Kumar2*, Avinash Verma3, Sagar Kumar1 and Rajesh Singh4
1Department of Agriculture, Chandigarh School of Business Jhanjeri Mohali Punja, India
2Department of Environment and Sustainable Development, IESD, BHU Varanasi, India
3Assistant Professor, Quantam University Roorkee Uttrakhand India
4Department of Genetics and Plant Breeding, IAS BHU Varanasi, India
*Corresponding Author: Saket Kumar, Department of Environment and
Sustainable Development, IESD, BHU Varanasi, India.
July 28, 2022 Published: December 15, 2022
The field experiment was conduct with factorial arrangement in RBD with three replications. In this experiment observed large-scale adoption of eight maize inbred lines in single environment at Agricultural field BHU Varanasi during Kharif (Rainy) season 2015. Four sowing dates were designed as a main plot and 4 level of N (0, 60, 120 and 170 kg/ha) applied in selected sub plot. The different sowing date expressed significant effect in maize hybrid grain yield, number of kernels per row, number of kernels per ear, 1000-grain weight, biomass, harvest index and plant height to sheath. The highest grain yield of maize inbred lines were observed with June 29 ranged 10683-11843 (kg/ha) during Kharif season 2015. N application was significantly affected on different traits expect number of kernels per row and number of kernels per ear. The recorded grain yield was 10683-11843 kg/ha from 120 kg/ha N while control produced of 11653 kg/ha maize hybrid grains. Results increasing N from 120 kg/ha to 175 kg/ha decreased grain yield of maize hybrids.
Keywords: Maize Hybrid; Sowing Date; N; Grain yield
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