EFFECT OF CONCENTRATION AND TIMING OF APPLICATION OF SUPPLEMENTARY NITROGEN FERTILIZER ON DRY MATTER REMOBILIZATION, GRAIN YIELD AND YIELD COMPONENTS OF RAPESEED (BRASSICA NAPUS L.) CV. HAYOLA401

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TOUSIKEHAL P.; ESFAHANI M.; RABIEI M.; RABIEI B.

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Journal: Iranian Journal of Crop Sciences Year:2011 | Volume:13 | Issue:2 (50) Page(s): 352-367

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Title

EFFECT OF CONCENTRATION AND TIMING OF APPLICATION OF SUPPLEMENTARY NITROGEN FERTILIZER ON DRY MATTER REMOBILIZATION, GRAIN YIELD AND YIELD COMPONENTS OF RAPESEED (BRASSICA NAPUS L.) CV. HAYOLA401

Author(s)

TOUSIKEHAL P. | ESFAHANI M. | RABIEI M. | RABIEI B. | Issue Writer Certificate

Keywords

DRY MATTER REMOBILIZATIONQ2

GRAIN YIELDQ2

RAPESEED AND SPRAY APPLICATION OF NITROGENQ2

Abstract

The effect of concentration and timing of application of supplementary nitrogen fertilizer on DRY MATTER REMOBILIZATION and GRAIN YIELD of rapeseed (Hyola401) as a second crop following rice in paddy field, was evaluated in a field experiment conducted using complete randomized block design with three replications at Rice Research Institute of Iran, Rashat, Iran, in 2008 cropping season. Fertilizer (N from Urea source) doses at two levels (5 and 10 ppm) and timing of application at 7 levels; 1: seedling stage at 6-8 leaves (1.06-1.08 based on Sylvester-Bradley and Makepeace coding system=SBMCS), 2: commencement of stem elongation (2.01-2.03 SBMCS), 3: prior to flowering (3.9 SBMCS), 4: 1.06-1.08+2.01-2.03, 5: 1.06- 1.08+3.9, 6: 2.01-2.03+ 3.9, 7: 1.06-1.08+2.01- 2.03+3.9, plus two control treatments a: no nitrogen b: commonly applied fertilization (180 kg.ha-1) at seed sowing, stem elongation and prior to flowering in equal rates. Plant characteristics (number of siliques, number of grain.silique-1, 1000-grain weight, DRY MATTER REMOBILIZATION, DRY MATTER REMOBILIZATION efficiency, dry matter content in 50% flowering and grain maturity stages, biological yield, GRAIN YIELD, oil content and harvest index) were measured. Results showed a significant difference between concentration and timing of nitrogen spray application effect on GRAIN YIELD, oil content, number of siliques, DRY MATTER REMOBILIZATION, dry matter content in 50% flowering, grain maturity stages, biological yield. Spray application of nitrogen (10 ppm) in 2.01- 2.03+3.9 stages (Treatment. #6) had the higest GRAIN YIELD (4221.7 kg.ha-1) and number of siliques.plant-1 (219.7 siliques), DRY MATTER REMOBILIZATION (694.1 g.m-2) and dry matter content at 50% flowering stage (891.5 g.m-2). There were no significant differences between number of siliques.plant-1, DRY MATTER REMOBILIZATION, dry matter content in 50% flowering stage and grain maturity stages in concentrations (10 ppm) and times of nitrogen spray application in 2.01- 2.03+3.9 and 1.06- 1.08+2.01-2.03 treatments.Results also showed that application of supplementary nitrogen (10 ppm) at 2.01- 2.03+3.9 stages can increase GRAIN YIELD and DRY MATTER REMOBILIZATION in rapeseed cv. Hayola401.

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APA: Copy

TOUSIKEHAL, P., ESFAHANI, M., RABIEI, M., & RABIEI, B.. (2011). EFFECT OF CONCENTRATION AND TIMING OF APPLICATION OF SUPPLEMENTARY NITROGEN FERTILIZER ON DRY MATTER REMOBILIZATION, GRAIN YIELD AND YIELD COMPONENTS OF RAPESEED (BRASSICA NAPUS L.) CV. HAYOLA401. IRANIAN JOURNAL OF CROP SCIENCES, 13(2 (50)), 352-367. SID. https://sid.ir/paper/57069/en

Vancouver: Copy

TOUSIKEHAL P., ESFAHANI M., RABIEI M., RABIEI B.. EFFECT OF CONCENTRATION AND TIMING OF APPLICATION OF SUPPLEMENTARY NITROGEN FERTILIZER ON DRY MATTER REMOBILIZATION, GRAIN YIELD AND YIELD COMPONENTS OF RAPESEED (BRASSICA NAPUS L.) CV. HAYOLA401. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2011;13(2 (50)):352-367. Available from: https://sid.ir/paper/57069/en

IEEE: Copy

P. TOUSIKEHAL, M. ESFAHANI, M. RABIEI, and B. RABIEI, “EFFECT OF CONCENTRATION AND TIMING OF APPLICATION OF SUPPLEMENTARY NITROGEN FERTILIZER ON DRY MATTER REMOBILIZATION, GRAIN YIELD AND YIELD COMPONENTS OF RAPESEED (BRASSICA NAPUS L.) CV. HAYOLA401,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 13, no. 2 (50), pp. 352–367, 2011, [Online]. Available: https://sid.ir/paper/57069/en

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