Growth analysis in relation to sowing dates in four varieties of wheat: a functional approach

Authors

  • SA Haider Crop Physiology Laboratory, Department of Botany University of Rajshahi, Rajshahi

DOI:

https://doi.org/10.3329/jles.v2i2.7492

Keywords:

Wheat, sowing date, growth, functional technique

Abstract

Effect of three different sowing dates on growth of four varieties of wheat was analyzed using functional techniques. Crop growth rate (CGR), relative leaf growth rate (RLGR) and specific leaf area (SLA) were higher in the early sown plants compared to late sown plants. Net assimilation rate (NAR) in all the varieties increased slowly at the early stages of growth while it increased sharply at the later stages with fluctuations in most cases. The declining tendency was found in SLA at the middle stage of growth except variety C 306. Higher values of CGR were found in the early sown Protiva, leaf weight ratio (LWR) in the late sown C 306 and early sown Opata, RLGR in the early sown Opata and C 306, SLA in the late sown Opata and Protiva and NAR in all the four varieties when they were sown late.

Key words: Wheat; sowing date; growth; functional technique

DOI: 10.3329/jles.v2i2.7492

J. Life Earth Sci., Vol. 2(2) 17-25, 2007  

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How to Cite

Haider, S. (2011). Growth analysis in relation to sowing dates in four varieties of wheat: a functional approach. Journal of Life and Earth Science, 2(2), 17–25. https://doi.org/10.3329/jles.v2i2.7492

Issue

Vol. 2 No. 2 (2007)

Section

Articles

License

It is a condition of publication in the Journal that author(s) assigns copyright to the Faculty of Life and Earth Sciences, University of Rajshahi, whose permission must be obtained to reproduce there from. This would ensure efficient handling of reproduction of articles for third party requests and wide dissemination at large.