Effect of P fertilizer rate and inoculation with Streptomyces sp. On phosphorus uptake and partitioning at stem elongation and anthesis growth stages of wheat and barley

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Khosravian Toktam; ZEINALI EBRAHIM; SIAHMARGUEE ASIEH; GhorbaniNasrAbadi Reza; Aalimagham Seyyed Majid

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Journal: Iranian Journal of Field Crop Science Year:2019 | Volume:50 | Issue:1 Page(s): 1-13

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Title

Effect of P fertilizer rate and inoculation with Streptomyces sp. On phosphorus uptake and partitioning at stem elongation and anthesis growth stages of wheat and barley

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Keywords

fertilizer phosphorus rateQ3

grain yieldQ2

phosphate solubilizing bacteriumQ1

plant organsQ2

StreptomycesQ2

Abstract

Stem elongation and anthesis Stages are very important in wheat and barley due to the determination of the grain yield components related to the number of grain. On the other hand, Phosphorus after nitrogen, is known as the most important mineral nutrient limiting growth and yield. Hence, to investigate the effect of phosphorus fertilizer rate (0, 20, 40, 60 and 80 kg P ha-1), inoculation with Streptomyces sp. bacteria and crop species on the phosphorus accumulation and partitioning between plant organs in these two stages, an experiment was carried out as a factorial arrangement in a completely randomized design in Gorgan University of Agricultural Sciences and Natural Resources. The results indicated that phosphorus accumulation was increased linearly in different parts of the plant by increasing the amount of applied phosphorus fertilizer, so that it changed from 0. 15 to 2. 7 mg per plant at stem elongation stage and 0. 25 to 9. 49 mg per plant at anthesis stage. Relationships of the amount of accumulated phosphorus in plant at stem elongation and anthesis growth stages with grain yield well described by a segmented linear-plateau function. At stem elongation and anthesis stages, increasing the accumulated phosphorus to 1. 78 and 7. 66 mg per plant respectively, increased grain yield but more phosphorus did not affect the yield. Inoculation with bacteria increased phosphorus accumulation in shoot parts as amount as 17. 75% at anthesis stage. At these stages, phosphorus accumulation in different parts of plant except stem, in barley was about 37% more than wheat. Results showed that phosphorus partitioning coefficients to different plant parts were more stable than phosphorus accumulation and concentration.

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APA: Copy

Khosravian, Toktam, ZEINALI, EBRAHIM, SIAHMARGUEE, ASIEH, GhorbaniNasrAbadi, Reza, & Aalimagham, Seyyed Majid. (2019). Effect of P fertilizer rate and inoculation with Streptomyces sp. On phosphorus uptake and partitioning at stem elongation and anthesis growth stages of wheat and barley. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 50(1 ), 1-13. SID. https://sid.ir/paper/370810/en

Vancouver: Copy

Khosravian Toktam, ZEINALI EBRAHIM, SIAHMARGUEE ASIEH, GhorbaniNasrAbadi Reza, Aalimagham Seyyed Majid. Effect of P fertilizer rate and inoculation with Streptomyces sp. On phosphorus uptake and partitioning at stem elongation and anthesis growth stages of wheat and barley. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;50(1 ):1-13. Available from: https://sid.ir/paper/370810/en

IEEE: Copy

Toktam Khosravian, EBRAHIM ZEINALI, ASIEH SIAHMARGUEE, Reza GhorbaniNasrAbadi, and Seyyed Majid Aalimagham, “Effect of P fertilizer rate and inoculation with Streptomyces sp. On phosphorus uptake and partitioning at stem elongation and anthesis growth stages of wheat and barley,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 50, no. 1 , pp. 1–13, 2019, [Online]. Available: https://sid.ir/paper/370810/en

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