Korubin - Aleksoska, Ana and Mohammad Ayaz, Ahmad (2016) Study of the Morphological and Agronomic Traits in Some Autochthonous and Commercial Tobacco Varieties in the Republic of Macedonia User Workarea Article 30 Mar 2020 16:56. IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS), 9 (6). pp. 27-32. ISSN e - 2319-2380, p - 2319-2372.
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Investigations were made on some morphological (height of the stalk with inflorescence, leaf number, length of the middle belt leafs) and agronomic trait dry mass yield in five autochthonous tobacco varieties of Prilep (P 10-3/2 and P 12-2/1), Djebel (Dj № 1) and Yaka tobaccos (YK 7-4/2 and KY) and five commercial oriental varieties of Prilep tobacco (P23, P-84, NS-72, P-66-9/7 and P-79-94). The trial was set up in the Experimental field of Tobacco Institute – Prilep in 2012, 2013 and 2014 in randomized block design with three replications, using traditional cultural practices. The aim of investigations was to study the autochthonous and commercial varieties for the above quantitative traits, to evaluate their variability and to determine the importance of differences between varieties and years by the use of biometric analysis, in order to get a better knowledge of varietal stability, genetic homozygosity and the progress made in the selection of oriental tobacco in the Republic of Macedonia. Differences between the genotypes in the investigation period were highly significant, which is a sign of their mutual genotypic and phenotypic diversity. Standard error of the mean for all data is low, indicating stability and homozygosity of the genotypes. The highest values for plant height were achieved in KY, and the lowest in P 103/2 and P 12-2/1. The highest leaf number was recorded in variety P-66-9/7, i.e. 33 leaves more than YK 7-4/2 and Dj № 1. The highest value for leaf length was recorded in P-79-94 and it is 4.8 cm more than the lowest leaf length observed in YK 74/2. The highest yield was achieved in P-66-9/7, with 30,5% more than the lowest–yielding variety Dj № 1. The presented data point out to the successful breeding activity of the Tobacco Institute in the selection of oriental aromatic tobaccos. Through evaluation of the varietal stability, the breeder broadens his knowledge of their homozygosity and becomes more secure in the choice of parental pairs for implementing the selection programs.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | tobacco (NicotianatabacumL.), autochthonous varieties, commercial varieties, quantitative traits, analysis of variance, variability. |
| Subjects: | Scientific Fields (Frascati) > Agricultural Sciences > Agriculture, forestry and fisheries |
| Divisions: | Scientific Tobacco Institute |
| Depositing User: | Prof. d-r. Ana Korubin - Aleksoska |
| Date Deposited: | 02 Apr 2020 18:43 |
| Last Modified: | 02 Apr 2020 18:43 |
| URI: | https://eprints.uklo.edu.mk/id/eprint/4673 |
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