EVALUATION OF GRAIN PROTEIN CONCENTRATION OF WHEAT BY NITROGEN FOLIAR APPLICATION

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LOTFOLLAHI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING Year:2013 | Volume:8 | Issue:4 Page(s): 1-6

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Title

EVALUATION OF GRAIN PROTEIN CONCENTRATION OF WHEAT BY NITROGEN FOLIAR APPLICATION

Author(s)

LOTFOLLAHI M. | Issue Writer Certificate

Keywords

WHEATQ2

YIELDQ3

QUALITYQ1

FOLIAR APPLICATIONQ2

NITROGENQ2

Abstract

WHEAT (Triticum aestivum L.) needs NITROGEN in different stages of growth. Timing and amount of NITROGEN applied is very important in NITROGEN management. As NITROGEN leaching is very hazardous to the environment it must be controlled. NITROGEN has the essential role of increasing the yeild and QUALITY of WHEAT. Numerous experiments have been conducted in different parts of the world to observe the best time of NITROGEN application. Most previous studies have shown that FOLIAR APPLICATION at flowering (zadok 75) increases the grain protein concentration (GPC) of WHEAT. In this experiment FOLIAR APPLICATION at tillering and flowering was compared to the conventional methods that the farmer used. Increasing the YIELD, QUALITY and reducing the use of NITROGEN fertilisers were the main objectives of this experiment. The experiment had a complete randomized block design with six fertiliser treatments and four replications. The six fertiliser teatments were: T1=no N (control), T2=split N application (1.3 at sowing, 1.3 at tillering and 1.3 at flowering), T3=1.3 at sowing+foliar application at tillering +1.3 at flowering, T4=1.3 at sowing +1.3 at tillering+foliar application at flowering, T5=1.3 at sowing+foliar application at tillering+1.3 and FOLIAR APPLICATION at flowering, T6=1.3 at sowing+1.3 and FOLIAR APPLICATION at tillering and also FOLIAR APPLICATION at flowering. The amount of N-P-K and micronutrient applied was based on soil test. The amount of N fertiliser was 300 kg/ha splited at sowing, tillering and flowering in equal amounts. In FOLIAR APPLICATION 10 kg/ha of urea was used. At maturity the plants were harvested for measuring the YIELD and QUALITY of WHEAT. The first year result showed that the grain YIELD was high in all NITROGEN treatments compared with control. The highest grain YIELD (4.844 ton/ha) went to the T6 treatment in which 2.3of NITROGEN was splitted at sowing and tillering and FOLIAR APPLICATION was used at tillering and flowering. Also the highest GPC (13.58%) was from the T5 treatment and there was a significant different compared with control. In the second year the highest grain YIELD(8.458 ton/ha) obtain from T4 treatment and most grain protein (13.72) went to T2 treatment. In the third year the highest grain YIELD (5.031 ton/ha) and highest grain protein percentage (13.31) obtained from T3 and T5 respectively. With considering the average result from 3 years experiment and the amount of NITROGEN use it can be concluded that NITROGEN application at sowing and tillering combined with FOLIAR APPLICATION at tillering and flowering increases the YIELD , QUALITY of WHEAT and reduces the amount of N fertiliser.

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APA: Copy

LOTFOLLAHI, M.. (2013). EVALUATION OF GRAIN PROTEIN CONCENTRATION OF WHEAT BY NITROGEN FOLIAR APPLICATION. IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING, 8(4), 1-6. SID. https://sid.ir/paper/190287/en

Vancouver: Copy

LOTFOLLAHI M.. EVALUATION OF GRAIN PROTEIN CONCENTRATION OF WHEAT BY NITROGEN FOLIAR APPLICATION. IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING[Internet]. 2013;8(4):1-6. Available from: https://sid.ir/paper/190287/en

IEEE: Copy

M. LOTFOLLAHI, “EVALUATION OF GRAIN PROTEIN CONCENTRATION OF WHEAT BY NITROGEN FOLIAR APPLICATION,” IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING, vol. 8, no. 4, pp. 1–6, 2013, [Online]. Available: https://sid.ir/paper/190287/en

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