GENE EFFECTS AND COMBINING ABILITY OF QUANTITATIVE AND QUALITATIVE CHARACTERISTICS OF BURLEY TOBACCO (NICOTIANA TABACUM L.)

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HONARNEZHAD R.; SHOAEI DEYLAMI M.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2003 | Volume:12 | Issue:4 Page(s): 23-35

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Title

GENE EFFECTS AND COMBINING ABILITY OF QUANTITATIVE AND QUALITATIVE CHARACTERISTICS OF BURLEY TOBACCO (NICOTIANA TABACUM L.)

Author(s)

HONARNEZHAD R. | SHOAEI DEYLAMI M. | Issue Writer Certificate

Keywords

OVERDOMINANCEQ2

PARTIAL DOMINANCEQ3

QUANTITATIVE TRAITSQ2

TOBACCOQ3

Abstract

Seven TOBACCO cultivars of Burley type (Burley 21, Burley CDL 28, Burley Banket, Burley Resistant, Burley 14, Burley 26 and Burley m 86) were intercrossed in the year of 2000 in TOBACCO Research Center in Rasht, Iran, using a randomized complete block design with 3 replications and several of their quantitative and qualitative characteristic were investigated. The results of analysis of variance with regard to the traits such as plant height, leaves per plant, days to flowering, leaf area index (LAT), resistance to blue mold (Peronospora tabacina) and root knot nematodes (Meloidogyne incognita), Green and dry yields showed significant differences among genotypes. Thus, diallel data were analysed and results were interpreted by using Hayman’s graphical method. Since plant height, green leaf yield and resistance to Poronospora are controlled mainly by additive gene effects, therefore, selection for these traits with relatively higher heritabilities would be promising. It was also revealed that leaf area index and resistance to nematode were controlled by non- additive gene effects. Thus, selection for these two traits will not be quite successful. Dry leaf yield is controlled by over- dominance genes effect. The graphical analysis of results showed that cultivars B. 21 and B Blanket had both the maximum dominant genes, cultivars, B. CDL 28, B. 26 and B. Resis had the maximum recessive genes and B. 14 and B. m 26 were intermediate for dominant and recessive genes. Heritability estimates (narrow sense), using Griffing and Hayman methods, ranged 25 to 52%. Thus, probability of selection for high yielding lines would be intermediate.

Cites

بررسی اثر ژن ها، ترکیب پذیری و هم بستگی صفات در جمعیت های F2 توتون های تیپ بارلی

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APA: Copy

HONARNEZHAD, R., & SHOAEI DEYLAMI, M.. (2003). GENE EFFECTS AND COMBINING ABILITY OF QUANTITATIVE AND QUALITATIVE CHARACTERISTICS OF BURLEY TOBACCO (NICOTIANA TABACUM L.). JOURNAL OF AGRICULTURAL KNOWLEDGE, 12(4), 23-35. SID. https://sid.ir/paper/28709/en

Vancouver: Copy

HONARNEZHAD R., SHOAEI DEYLAMI M.. GENE EFFECTS AND COMBINING ABILITY OF QUANTITATIVE AND QUALITATIVE CHARACTERISTICS OF BURLEY TOBACCO (NICOTIANA TABACUM L.). JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2003;12(4):23-35. Available from: https://sid.ir/paper/28709/en

IEEE: Copy

R. HONARNEZHAD, and M. SHOAEI DEYLAMI, “GENE EFFECTS AND COMBINING ABILITY OF QUANTITATIVE AND QUALITATIVE CHARACTERISTICS OF BURLEY TOBACCO (NICOTIANA TABACUM L.),” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 12, no. 4, pp. 23–35, 2003, [Online]. Available: https://sid.ir/paper/28709/en

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