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Sugar beet breeding program started in Egypt during the last two decades of past century by several Egyptian investigators and breeders, the data was very encouragement. There were three promising multigerm Egyptian sugar beet genotypes (Eg. 6 , Eg. 26 and Eg. 27) have showed good root weight and good sugar percentage at several studied locations. The goal of any sugar beet breeding program is to develop varieties with higher root yield and higher sugar content, better extraction yield (juice purity), higher seed germination percentages, lower tendency to “bolt” and higher resistance to diseases and pests. The objective of this study was to investigate seed properties of the three promising Egyptian sugar beet genotypes (Eg. 6, Eg. 26 and Eg. 27). Seed samples were divided into five fractions according to their size (<3.35, 3.35, 4.0, 5.6 and 6.3 mm). The data cleared that "Size 3 = 4.0 mm" the most abundant size in all studied samples with average (70.0, 71.1 and 58.5%) in (Eg. 6, Eg. 26 and Eg. 27), respectively. Hundred seed Weight (2.86, 2.90 and 2.54 g), while unit seed Weight values were (0.028, 0.029 and 0.027 g) for (Eg. 6, Eg. 26 and Eg. 27), respectively. Germination percentage, faster germination and seedling vigor were the best in large seed size compared with small seed size.

SEED PROPERTIES OF THREE PROMISING EGYPTIAN SUGAR BEET GENOTYPES.