Response of maize cultivars to different NP-levels under irrigated condition in Peshawar valley [Pakistan]
2003
Saleem, A. | Javed, H.I. | Ali, Z. | Ullah, I. (National Agricultural Research Centre, Islamabad (Pakistan). Pulses Programme)
The present study included evaluating different morphological and seed parameters of maize germplasm and their response to NP- levels for higher production. Germplasm having different morphological characteristics affect their performance with their different genetic constitution. In order to increase maize yield unit area-1, selection of a suitable germplasm in maize is of greatest importance. Different NP-levels used were Control, 100:50,120:60,140:70 and 160:80. While the germplasm studied were FRHY-10, EV-1089, Margalla, Rawal and Gauher. Results showed that grain yield of the germplasm was significantly affected by NP-levels and highest grain yield was produced at 140:70 followed by 120:60, 160: 80, 100:50 and control. Significant differences were also obtained with NP levels in the germplasm with regard to the plant height, number of leaves/plant. Days to 50 % Silking, were also significantly affected by both NP-levels and germplasm. Highest grain yield of 3550 kg/ha-1 was recorded in genotype FRHY-10 with NP level of 140:70 NP kg ha-1.
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