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Title

EVALUATION OF PHOSPHORUS EFFICIENCY IN CEREALS

Pages

  125-134

Abstract

 A factorial completely randomized block design experiment with 3 replications was carried out in the greenhouse to evaluate CEREALs genotypic variation in PHOSPHORUS ACQUISITION and utilization during 2006. Treatments consisted of 8 bread wheat (Triticum aestivum L.), 3 durum wheat (Triticum durum L.), 3 barley (Hordeum vulgare L.), 1 rye (Secale CEREALe L.), 1 oat (Avena sativa L.) and 1 Triticale (X Triticosecale L.), and two levels of P (0 and 84 mg P/kg soil). Genotypes showed significant differences in number of tillers, shoot P concentration and content, and dry weight. Also, P efficiency (taken as the relative above-ground yield) significantly differed among genotypes and ranged from 0.42 for a barley line (M-80-16) to 0.97 for bread wheat cultivar (Azadi) with the average of 0.71. Application of P significantly increased shoot P concentration and content from 0.19% and 13.24 mg P/pot to 0.47% and 46 mg mg P/pot, respectively. In treatment P0, durum wheat (Yavaroos) with 20.15 mg P/pot and a barley line (M-80-16) with 5.85 mg P/pot had the highest and lowest P uptake, respectively. Oat produced the highest dry weight per unit of P uptake and, hence, was considered to be very efficient in P utilization. Azadi and Yavaroos with 0.45 and 0.43 had the highest relative P uptake, respectively. Therefore, these varieties were efficient in P acquisition. There was no correlation between P efficiency and shoot P concentration of genotypes, but the relationship between P efficiency and shoot P content was highly significant (r=0.66**).

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References

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APA: Copy

SEPEHR, E., MALAKOUTI, MOHAMMAD JAFAR, KHOLD BARIN, B., KARIMIAN, N.A., SAMADI, ABAS, RASOULI, HASAN, NOUR GHOLIPOUR, F., REZAEI, HAMED, & KHADEMI, Z.. (2009). EVALUATION OF PHOSPHORUS EFFICIENCY IN CEREALS. IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), 23(2), 125-134. SID. https://sid.ir/paper/159013/en

Vancouver: Copy

SEPEHR E., MALAKOUTI MOHAMMAD JAFAR, KHOLD BARIN B., KARIMIAN N.A., SAMADI ABAS, RASOULI HASAN, NOUR GHOLIPOUR F., REZAEI HAMED, KHADEMI Z.. EVALUATION OF PHOSPHORUS EFFICIENCY IN CEREALS. IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES)[Internet]. 2009;23(2):125-134. Available from: https://sid.ir/paper/159013/en

IEEE: Copy

E. SEPEHR, MOHAMMAD JAFAR MALAKOUTI, B. KHOLD BARIN, N.A. KARIMIAN, ABAS SAMADI, HASAN RASOULI, F. NOUR GHOLIPOUR, HAMED REZAEI, and Z. KHADEMI, “EVALUATION OF PHOSPHORUS EFFICIENCY IN CEREALS,” IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), vol. 23, no. 2, pp. 125–134, 2009, [Online]. Available: https://sid.ir/paper/159013/en

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