Correlations between morphological and productive parameters in Burley tobacco

Y. Dyulgerski1, T. Radoukova2*

Abstract. The dependencies are investigated between important morphological and productive signs of Burley tobacco. Five important Burley tobacco varieties – Burley 1000, Burley 1317, Burley 21, Burley 420 and Pliskaare tested. Strong positive correlation between plant height and number of leaves is established. The number of leaves is positively correlated with yield but negatively with the size of the leaves. The size of the leaves is positively correlated with yield and percentage of classes. The length of the vegetative period is positively correlated with all studied morphological parameters and yield, but negatively with the percentage of first class. The increase in yield is related to the percentage of first class. The results obtained can be used successfully to optimize the selection process in Burley tobacco.

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