GENETICS OF RESISTANCE OF BURLEY TOBACCOS TO MELOIDOGYNE INCOGNITA AND PERONOSPORA TABACINA A.

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HONARNEZHAD R.; SHOAIE DILAMI M.

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Journal: Agricultural Sciences and Technology Year:2002 | Volume:16 | Issue:2 Page(s): 143-152

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Title

GENETICS OF RESISTANCE OF BURLEY TOBACCOS TO MELOIDOGYNE INCOGNITA AND PERONOSPORA TABACINA A.

Author(s)

HONARNEZHAD R. | SHOAIE DILAMI M. | Issue Writer Certificate

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Abstract

Seven tobacco cultivars of Burley type (Burley 21, Burley CDL 28, Burley Banket, Burley Resistance, Burley 14, Burley 26 and Burley TN 86) were intercrossed in the year 2000 in a half-diallel design and F1s plus parents were transplanted in the year 2001 in Tobacco Research Center in Rasht, with 3 replications and their resistance to Peronospora tabacina A. and Meloidogyne incognita were investigated by COREST A standard methods. The diallel analysis of results showed sufficient fitness with additive - dominance model introducing by Hayman and Griffing. Since in formation of resistance of cultivars to nematodes the over dominance effect of genes were seen, in genetic control of blue mould resistance were partial dominance effect of genes involved. The diallel analysis of results showed significant GCA and SCA additive and no additive-dominance-effects of genes) by genetic control of resistance to nematodes, but for resistance of cultivars to blue mould were only GCA (additive effects of genes) significant. The estimated narrow sense heritability (18-29%) for resistance to nematodes and 46-52% for resistance to blue mould give a moderate chance for selecting of resistance lines to nematodes and a good chance for selecting resistance lines to blue mould. The cultivars Burley Banket and Burley TN 86 were favorite parents for transferring of resistance to nematodes to their progenies. The cultivar Burley CDL 28 were also with his lowest infection to blue mould and significant and negative GCA the favorable parent for transferring blue mould resistance to their progenies. As progenies with a negative and significant SCA for resistance to nematodes are hybrids (B. 21 x B.CDL 28), (B. CDL 28 x B. 26) and (B. CDL 28 x B.TN 28) favorites. Also the cross progenies of Burley CDL 28 with other cultivars showed lowest infection to blue mould.

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., & SHOAIE DILAMI, M.. (2002). GENETICS OF RESISTANCE OF BURLEY TOBACCOS TO MELOIDOGYNE INCOGNITA AND PERONOSPORA TABACINA A.. AGRICULTURAL SCIENCES AND TECHNOLOGY, 16(2), 143-152. SID. https://sid.ir/paper/22380/en

Vancouver: Copy

HONARNEZHAD R., SHOAIE DILAMI M.. GENETICS OF RESISTANCE OF BURLEY TOBACCOS TO MELOIDOGYNE INCOGNITA AND PERONOSPORA TABACINA A.. AGRICULTURAL SCIENCES AND TECHNOLOGY[Internet]. 2002;16(2):143-152. Available from: https://sid.ir/paper/22380/en

IEEE: Copy

R. HONARNEZHAD, and M. SHOAIE DILAMI, “GENETICS OF RESISTANCE OF BURLEY TOBACCOS TO MELOIDOGYNE INCOGNITA AND PERONOSPORA TABACINA A.,” AGRICULTURAL SCIENCES AND TECHNOLOGY, vol. 16, no. 2, pp. 143–152, 2002, [Online]. Available: https://sid.ir/paper/22380/en

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