Experiments were designed and implemented to evaluate yield, its components and quality determinations of two maize varieties (Hi-tech 2031 and Fine seeds 101) under six planting directions (North-South (N-S), East-West (E-W), North.Eastern (N.E), North.Western (N.W), Perpendicular and Circular). Two field experiments were carried out at the Experimental Research station, Faculty of Agriculture, Moshtohor, Benha University, Kalubia Governorate during two summer growing seasons (2013 and 2014). Results could be concluded as follows:
The two growing seasons showed significant differences in yield and its components for the two maize varieties (Hi-tech 2031 and Fine seeds 101). Whereas, Hi-tech 2031was superior crop as compared to Fine seeds 101 variety in grain yield, stover yield, cob yield, ear weight, ear diameter, ear length, number of kernels/ row, plant height, ear height and CP content of grain. Meanwhile, Fine seeds 101 variety was the superior crop in number of rows/ear, seed index, shelling percentage and light radiation intensity within plant canopy with significant differences of various magnitudes.
Regarding planting directions, data showed that the Circular direction was superior in grain yield, stover yield, ear weight, ear diameter, ear length, number of rows/ear, number of kernels/ row, shelling percentage and light radiation intensity with significant differences magnitudes. Meanwhile, the tallest plants were obtained when using North-South direction. Meanwhile, highest seed index produced from East-West direction. Moreover, the superior CP content and ear height were noticed for the perpendicular direction.
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