STUDY OF AGRONOMIC TRAITS AND THEIR HERITABILITY IN SALT-TOLERANT DURUM WHEAT GENOTYPES UNDER NORMAL FIELD CONDITION

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ESLAMI M.; ARZANI A.; MIRMOHAMMADI MEYBODI S.A.M.

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Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2005 | Volume:27 | Issue:2 Page(s): 101-113

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Title

STUDY OF AGRONOMIC TRAITS AND THEIR HERITABILITY IN SALT-TOLERANT DURUM WHEAT GENOTYPES UNDER NORMAL FIELD CONDITION

Author(s)

ESLAMI M. | ARZANI A. | MIRMOHAMMADI MEYBODI S.A.M. | Issue Writer Certificate

Keywords

DURUM WHEATQ2

GRAIN YIELDQ2

HERITABILITYQ4

CORRELATIONQ3

PATH COEFFICIENT ANALYSISQ3

Abstract

Four genotypes of DURUM WHEAT cultivars comprising PI40100, Dipper-6, Oste/Gata, Shova and F2 and F3 progenies derived from crosses between some of them were evaluated using a randomized complete block design in 2001. Agronomic traits including days to heading, days to anthesis, days to maturity, plant height, spikes length, number of spike per m2, number of grain per spike, grain weight per spike, 1000-grain weight, grains yield, biological yield and harvest index were evaluated. The results showed that grain weight per spike (18.7%), number of grains per spike (14%), number of spikes per m2 (12.5%), harvest index (12.4%) and GRAIN YIELD (11.2%) had the highest genetic coefficient of variation, respectively. Statistical analysis showed significant differences between genotypes for all traits except for the number of spike per m2 and biological yield. Days to heading, days to anthesis and days to maturity had the highest broadsense HERITABILITY. The lowest broadsense HERITABILITY was observed for the number of spikes per plant. Study of CORRELATION analysis indicated that GRAIN YIELD was correlated significantly with harvest index (0.92), number of grains per spike (0.91), grain weight per spike (0.93) and number of spikes per m2 (0.87). Based on stepwise regression analysis, harvest index and number of grains per spike explained 96.2% of GRAIN YIELD variation. PATH COEFFICIENT ANALYSIS indicated that harvest index, biological yield and the number of grain per spike had the most direct effect on grains yield, respectively while the number of grain per spike had the most indirect effect on grains yield via harvest index.

Cites

EVOLUTION OF STRESS TOLERANCE INDICES IN DURUM WHEAT GENOTYPES

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APA: Copy

ESLAMI, M., ARZANI, A., & MIRMOHAMMADI MEYBODI, S.A.M.. (2005). STUDY OF AGRONOMIC TRAITS AND THEIR HERITABILITY IN SALT-TOLERANT DURUM WHEAT GENOTYPES UNDER NORMAL FIELD CONDITION. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 27(2), 101-113. SID. https://sid.ir/paper/24688/en

Vancouver: Copy

ESLAMI M., ARZANI A., MIRMOHAMMADI MEYBODI S.A.M.. STUDY OF AGRONOMIC TRAITS AND THEIR HERITABILITY IN SALT-TOLERANT DURUM WHEAT GENOTYPES UNDER NORMAL FIELD CONDITION. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2005;27(2):101-113. Available from: https://sid.ir/paper/24688/en

IEEE: Copy

M. ESLAMI, A. ARZANI, and S.A.M. MIRMOHAMMADI MEYBODI, “STUDY OF AGRONOMIC TRAITS AND THEIR HERITABILITY IN SALT-TOLERANT DURUM WHEAT GENOTYPES UNDER NORMAL FIELD CONDITION,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 27, no. 2, pp. 101–113, 2005, [Online]. Available: https://sid.ir/paper/24688/en

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