ESTIMATION OF GENETIC PARAMETERS FOR COLD RESISTANCE IN BREAD WHEAT USING DIALLEL ANALYSIS

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NOURAEIN M.; MOHAMMADI S.A.A.GH.; TOURCHI MAHMOUD; AHARIZAD S.; SHAKIBA MOHAMMAD REZA

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2008 | Volume:18 | Issue:2 Page(s): 109-118

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Title

ESTIMATION OF GENETIC PARAMETERS FOR COLD RESISTANCE IN BREAD WHEAT USING DIALLEL ANALYSIS

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Keywords

COLD TOLERANCEQ3

DIALLELQ3

GENERAL AND SPECIFIC COMBINING ABILITYQ3

LT50Q3

WHEATQ2

Abstract

Low temperature is one of the most important abiotic stresses which decrease the production and the yield of crops. It is important to identify the nature of genetic control for breeding of COLD TOLERANCE. In order to estimate the genetic parameters related to COLD TOLERANCE in bread WHEAT, seven cultivars, namely: Norstar, Capplle-Desprez, Morgan, Desconsoide, Sardari, Kohdasht and Zagros along with their 21 half DIALLEL hybrids were evaluated under controlled conditions in freezing temperatures and survival percentage and LT50 of genotypes in each temperature was recorded. Analysis of variance showed significant difference among genotypes. Therefore, DIALLEL analysis was performed based on Griffing's mixed model B of method II. Genetic analysis revealed significant general combining ability for plant survival percentage whereas specific combining ability was not significant. This indicated the role of additive the effects in control of COLD TOLERANCE. The high narrow heritability (87.08) and low degree of dominance (0.28) also showed the small contribution of dominance effects in controlling this trait. Among parental genotypes, Norstar showed the highest general combining ability (0.402) and also maximum mean for survival percentage (88.2).

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APA: Copy

NOURAEIN, M., MOHAMMADI, S.A.A.GH., TOURCHI, MAHMOUD, AHARIZAD, S., & SHAKIBA, MOHAMMAD REZA. (2008). ESTIMATION OF GENETIC PARAMETERS FOR COLD RESISTANCE IN BREAD WHEAT USING DIALLEL ANALYSIS. JOURNAL OF AGRICULTURAL KNOWLEDGE, 18(2), 109-118. SID. https://sid.ir/paper/28632/en

Vancouver: Copy

NOURAEIN M., MOHAMMADI S.A.A.GH., TOURCHI MAHMOUD, AHARIZAD S., SHAKIBA MOHAMMAD REZA. ESTIMATION OF GENETIC PARAMETERS FOR COLD RESISTANCE IN BREAD WHEAT USING DIALLEL ANALYSIS. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2008;18(2):109-118. Available from: https://sid.ir/paper/28632/en

IEEE: Copy

M. NOURAEIN, S.A.A.GH. MOHAMMADI, MAHMOUD TOURCHI, S. AHARIZAD, and MOHAMMAD REZA SHAKIBA, “ESTIMATION OF GENETIC PARAMETERS FOR COLD RESISTANCE IN BREAD WHEAT USING DIALLEL ANALYSIS,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 18, no. 2, pp. 109–118, 2008, [Online]. Available: https://sid.ir/paper/28632/en

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