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Corresponding Author

Bilal I. Mohammed

Authors ORCID

0000-0002-5567-7989

Document Type

Research Article

Abstract

The research was conducted in the field of Khabat Technical Institute / Erbil Polytechnic University during winter season of 2019-2020 and summer season of 2020. It shows the effect of plantingdate, varieties on growth and yield component of sugar beet under two different seasonal conditions. A factorial experimental design was applied in randomized complete block design with three replication; the first factor represents three planting dates (1stOctober, 16thOctober and 31thOctober, 2019) in winter and (1stMarch, 16thMarch and 31thMarch, 2020) in summer season, the second factor was three varieties of sugar beet (Germany, Turkish and Iranian), had been applied in both seasons. The combined effect of planting in 1stOctober and the Turkish variety produced the highest value of all study traits; No. of leaf.plant-1, leaf area (cm2), leaf area index (LAI), root length cm, root diameter cm, root weight kg.plant-1, root yield t.ha-1, sugar % and sugar yield t.ha-1in winter season, but the Germany variety surpassed in length of root (cm) in summer season. The interaction between planting date from 1stOctober with Turkish variety recorded the highest value of all study traits, in winter season achieved the lowest value in number of leaf.plant-1, root length cm, root diameter cm, root weight kg.plant-1, root yield t.ha-1, sugar% and sugar yield, were recorded from the interaction between planting in 31thMarch and Iranian variety in summer season. On the other hand, the interaction treatment 31thMarch with Turkish variety recorded the lowest value in leaf area and leaf area index.

Keywords

Sugarbeet varieties, plantingdate, Growth and Yield Component

Publication Date

2-1-2023

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