Effect of sowing dates and vernalization on Beta vulgaris L. cv. Univers. 2. Growth, anatomy and some chemical components of the root

Includes reference.

This research was conducted to study the effect of three different sowing dates (15th Oct., 15th Nov and 15th Dec.) and two vernalization treatments (5°C and -20°C) on growth, structure and some chemical components of Beta vulgaris L. cv. Univers root under Ismailia Governorate conditions. The obtained data are summarized as follows: -The highest values of the most studied characters, root length, root diameter, root fresh and dry weights. Moreover, cortex thickness, rows number of cortex, cortex cell thickness, rows number of cambium, cambium thickness, cambium cell thickness, total phenols, auxin like substances, % sucrose and T.S.S. were observed with 15 Oct. treatment. Furthermore, most of the studied cooling treatments increased of the periderm thickness, cortex thickness, number of cortex rows, cortex cell thickness, number of cambium rows, cambium region thickness, total phenols, reducing sugars and non reducing sugars.

Summary in Arabic.

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