Biometric, qualitative and chemical studies of oriental tobacco lines
DOI:
https://doi.org/10.61308/ZNDW5768Keywords:
oriental tobacco; lines; biometric indicators; chemical indicatorsAbstract
The tangible changes in climatic conditions and the dynamics in legal and market requirements, require the creation, evaluation and maintenance of a rich genetic resource of lines and varieties, that meet diverse needs and serve as the basis for various breeding target. In the period 2023-2024 in the conditions of the experimental field (EF) - of Markovo were studied biometric indicators, yield (kg/da), distribution by classes and some basic chemical indicators of dry tobacco of four lines of oriental tobacco. As a result, it was found that the highest average values of the indicators plant height, number and width of leaves were reported in line 73. Line 71 has the greatest leaf length. Lines 73 and 41 had the highest average yield from both years. The highest percentage of I-st class and the lowest of III-rd was found at line 71. It also has the highest nicotine percentage. Line 41 has the most balanced chemical composition. The results obtained show that the values of some basic indicators of the studied lines are better than the control variety, which characterizes them as diverse and valuable breeding material.
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