Knowledge Center Catalog

Morphophysiological studies on early and late maize varieties

Upadhyay, S.R.

Morphophysiological studies on early and late maize varieties - Kathmandu (Nepal) NARC|CIMMYT : 2002 - p. 62-67 - Printed

A Field study was carried out to characterize the recommended and pipeline maize varieties: Manakamana-2, Arun-4, Narayani, and Hill Pool White during the winter season of 2000. Colour of glumes, anthers and silk differed among varieties but there was no variation for the colour of stem, leaf or central vein. Manakamana-2 and Hill Pool White had pure white coloured cobs while Arun-4 and Narayani had white and pink/red coloured cobs. Hill Pool White had a white dent seed type and others were yellow flints. Arun-4 required less GDU to reach 50% Tasseling (589), 50% silking (625) and physiological maturity (1312) while Hill Pool White required the most GDU i.e. 798, 829 and 1704 for 50% Tasseling, 50% silking and physiological maturity, respectively. Manakamana-2 attained the largest leaf area index (LAI) 2.54 followed by Hill Pool White (2.41) and Arun-4 (2.24) at the silking stage. Narayani produced the highest harvest index (HI) 0.38 followed by Arun-4 (0.36) and Manakamana-2 (0.34). Narayani had the highest shelling per cent (82%) followed by Hill Pool White (79%) and Arun-4 (78%).


English

99933-205-1-X


Crossbreeding
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