Genetic Variation for Nitrogen Use in Cotton (Gossypium hirsutum L.)


	Pakistan Journal of Biological Sciences
	Year: 2000 \| Volume: 3 \| Issue: 5 \| Page No.: 885-886 DOI: 10.3923/pjbs.2000.885.886

Genetic Variation for Nitrogen Use in Cotton (Gossypium hirsutum L.)

Abdul Rehman Khan, Muhammad Yaseen, Maqsood Ahmad Gill, Zaheer Ahmad, Afaq Aziz and R.H. Nawaz

Abstract: A pot experiment was conducted to evaluate the response of six cotton cultivars to soil-applied N fertilization rates-low (50 mg N kg^–1 soil) and adequate (175 mg N kg^–1 soil). Substantial differences were observed among varieties and due to nitrogen level×variety interaction for accumulation of Shoot Dry Matter (SDM) and N utilization efficiency and nitrogen contents in leaf and stem. Increase in N rate in soil showed significant increase in shoot dry matter, N concentrations and contents in leaf and stem and decrease in root:shoot ratio.Cotton cultivars FH-634, CIM-1100 and S-12 showed nitrogen utilization efficiency >50 at both the nitrogen levels.

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RELATED ARTICLES:

•	Differential Growth Behavior of Cotton Varieties at Adequate and Deficient Levels of Nitrogen and Phosphorus.

How to cite this article:

Abdul Rehman Khan, Muhammad Yaseen, Maqsood Ahmad Gill, Zaheer Ahmad, Afaq Aziz and R.H. Nawaz, 2000. Genetic Variation for Nitrogen Use in Cotton (Gossypium hirsutum L.). Pakistan Journal of Biological Sciences, 3: 885-886.

DOI: 10.3923/pjbs.2000.885.886

URL: https://scialert.net/abstract/?doi=pjbs.2000.885.886

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