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Pakistan Journal of Biological Sciences
  Year: 2000 | Volume: 3 | Issue: 5 | Page No.: 881-882
DOI: 10.3923/pjbs.2000.881.882
 
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Genetic Variability among Different Rice Cultivars for Phosphorus Uptake and Utilization

Yaseen, M., A. Aziz, M.A Gill, R.H.N. Khan, M. Aslam and A.R. Khan

Abstract:
Ten rice (Oryza sativa) genotypes were evaluated for growth and utilization efficiency of phosphorus (P), in hydroponics using modified Yoshida solution containing three levels of phosphorus viz. P1 (10 mg L–1), P2 (5 mg L–1) and P3 (2.5 mg L–1). Substantial differences were observed among varieties for accumulation of shoot dry weight (SDW), root dry weight (RDW), root: shoot ratio (RSR) as well as for phosphorus utilization efficiency (PUE). Overall IR-8 and Basmati-370 out yielded all other genotypes in shoot dry weight. In Basmati-370 also produced the highest RDW, while KS-282 was least RDW producer. Maximum RSR was exhibited by C-49-1-80 followed by EF-76-1, DM-15-13-1 and Basmati-370. Maximum PUE was exhibited by Basmati-Pak followed by Kernel. P3 level showed highest value of PUE. Genotypes Basmati-Pak, Basmati-370 and Kernel showed maximum PUE as compared to all other genotypes and could be regarded as P-efficient.
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How to cite this article:

Yaseen, M., A. Aziz, M.A Gill, R.H.N. Khan, M. Aslam and A.R. Khan, 2000. Genetic Variability among Different Rice Cultivars for Phosphorus Uptake and Utilization. Pakistan Journal of Biological Sciences, 3: 881-882.

DOI: 10.3923/pjbs.2000.881.882

URL: https://scialert.net/abstract/?doi=pjbs.2000.881.882

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