EFFECT OF PHOSPHORUS FERTILIZER ON GROWTH OF SOME LOCAL WHEAT CULTIVARS AT AL-GABAL AL- AKHDAR, LIBYA.
Abusaief,, H., Husein, T., El-Awamy, M. (2006). EFFECT OF PHOSPHORUS FERTILIZER ON GROWTH OF SOME LOCAL WHEAT CULTIVARS AT AL-GABAL AL- AKHDAR, LIBYA.. EKB Journal Management System, 31(8), 4969-4978. doi: 10.21608/jpp.2006.236094
H. M. Abusaief,; T. F. Husein; M. A. El-Awamy. "EFFECT OF PHOSPHORUS FERTILIZER ON GROWTH OF SOME LOCAL WHEAT CULTIVARS AT AL-GABAL AL- AKHDAR, LIBYA.". EKB Journal Management System, 31, 8, 2006, 4969-4978. doi: 10.21608/jpp.2006.236094
Abusaief,, H., Husein, T., El-Awamy, M. (2006). 'EFFECT OF PHOSPHORUS FERTILIZER ON GROWTH OF SOME LOCAL WHEAT CULTIVARS AT AL-GABAL AL- AKHDAR, LIBYA.', EKB Journal Management System, 31(8), pp. 4969-4978. doi: 10.21608/jpp.2006.236094
Abusaief,, H., Husein, T., El-Awamy, M. EFFECT OF PHOSPHORUS FERTILIZER ON GROWTH OF SOME LOCAL WHEAT CULTIVARS AT AL-GABAL AL- AKHDAR, LIBYA.. EKB Journal Management System, 2006; 31(8): 4969-4978. doi: 10.21608/jpp.2006.236094

EFFECT OF PHOSPHORUS FERTILIZER ON GROWTH OF SOME LOCAL WHEAT CULTIVARS AT AL-GABAL AL- AKHDAR, LIBYA.

Journal of Plant Production
Article 11, Volume 31, Issue 8, August 2006, Page 4969-4978  XML PDF (118.2 K)
Document Type: Original Article
DOI: 10.21608/jpp.2006.236094
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Authors
H. M. Abusaief,; T. F. Husein; M. A. El-Awamy
Agron. Depart. Fac. of Agric., Omar EI-Moktar Univ.. Libya.
Abstract
Two field experiments were carried out during 20030004 and 200412005
seasons to study the effect of phosphorus levels on growth attributes of some local
wheat (Triticum durum) cultivars at Al—Gabal Al-Akhdar, Libya. A split plot design with
three replication was used in both seasons. The main findings could be summarized
as following:
All studied characters were increased with increasing plant age.
The difference between wheat cultivars among all studied traits except plant
height at tillering stage in the first season were insignificant at all growth stages in
both seasons. Zarda cultivar tended to give the highest value of all studied traits,
except photosynthesis efficiency (PE) at tillering stage, at all growth stages in the first
season. The superiority of Zarda cultivar was true for extension coefficient (-01) at
seedling and tillering stages, PE at elongation stage, net assimilation rate (NAR) at
seedling stage, leaf area index (LA!) and plant height at seedling stage, biomass
duration rate (BDR) and crop growth rate (CGR) at all growth stages and specific leaf
weight (SLW) at seedling and elongation stage in the second season. Margawi
cultivar produced the lowest values of all studied characters at all growth stages in
both seasons.
The highest P levels (45kg Pfha.) gave the highest values of Ec at tillering
stage, PE, LAI and LAR at seedling stage, BDR and CGR at seedling and tilling
stages. Whereas, increasing P levels up to (35 kg Plha.) increased -ol, PE, LAl, LAR
and BDR to the highest values at elongation stage. The differences between the
highest two P levels were insignificant at all growth stages in both seasons.
The interaction between cultivars and P levels had a significant effect on plant
height and leaf area ratio (LAR) in the first season only.
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