GROWTH ANALYSIS, YIELD AND YIELD COMPONENTS OF THREE BARLEY CULTIVARS (HORDEUM VULGARE L.) UNDER DIFFERENT SEEDING RATES

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MORADHAJATI PAYAM; SHOKOUHFAR ALI REZA

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2016 | Volume:10 | Issue:2 (38) Page(s): 461-476

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Title

GROWTH ANALYSIS, YIELD AND YIELD COMPONENTS OF THREE BARLEY CULTIVARS (HORDEUM VULGARE L.) UNDER DIFFERENT SEEDING RATES

Author(s)

MORADHAJATI PAYAM | SHOKOUHFAR ALI REZA | Issue Writer Certificate

Keywords

CGRQ2

GROWTH INDEXQ2

NARQ2

PLANT DENSITIESQ1

SEED YIELDQ1

Abstract

This experiment was conducted as split plot based on randomized complete block design with 3 replications during 2013-2014 at the Research and Experimental Field of Islamic Azad University in Ahvaz, Iran. The main plots consisted of three cultivars of barley (Jonoob, Nimrooz, and Zahak) and subplots of plant density with four levels (250, 300, 350, and 400 seeds/m2). Results showed that increasing seed density increased leaf area index (LAI), crop growth rate (CGR), and decreased net assimilation rate (NAR) in all of the cultivars under study. The Jonoob cultivar had the highest (LAI), (CGR), and (NAR). The differences among cultivars in number of spikes/m2, seed number per spike, length of spike and SEED YIELD were significant at %1 and harvest index at the 5% levels of probabilities. The effects of seeding rates on spike length, spike number, seed number per spike, SEED YIELD and stem length were significantly at 1% and, biological yield and harvest index at 5% levels of probabilities. The highest SEED YIELD was produced by Jonoob cultivar by using 350 seeds/m2 (5,561 kg/ha), The Maximum harvest index was obtained in Jonoob cultivar at the rate 350 seeds/m2 (40%). The results showed that the Jonoob cultivar, because of higher physiological indices and yield components (spike length, seed weight and number of grains per spike) and seeding density of 350 and 400 seeds/m2 by increasing number of spikes/m2, produced higher yield.

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APA: Copy

MORADHAJATI, PAYAM, & SHOKOUHFAR, ALI REZA. (2016). GROWTH ANALYSIS, YIELD AND YIELD COMPONENTS OF THREE BARLEY CULTIVARS (HORDEUM VULGARE L.) UNDER DIFFERENT SEEDING RATES. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 10(2 (38)), 461-476. SID. https://sid.ir/paper/182661/en

Vancouver: Copy

MORADHAJATI PAYAM, SHOKOUHFAR ALI REZA. GROWTH ANALYSIS, YIELD AND YIELD COMPONENTS OF THREE BARLEY CULTIVARS (HORDEUM VULGARE L.) UNDER DIFFERENT SEEDING RATES. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2016;10(2 (38)):461-476. Available from: https://sid.ir/paper/182661/en

IEEE: Copy

PAYAM MORADHAJATI, and ALI REZA SHOKOUHFAR, “GROWTH ANALYSIS, YIELD AND YIELD COMPONENTS OF THREE BARLEY CULTIVARS (HORDEUM VULGARE L.) UNDER DIFFERENT SEEDING RATES,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 10, no. 2 (38), pp. 461–476, 2016, [Online]. Available: https://sid.ir/paper/182661/en

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