Document Type : Research Paper


1 Ph.D. Candidate, Department of Agronomy and Plant Breeding Sciences, College of Aboureihan, University of Tehran, Pakdasht, Iran.

2 Associate Professor, Department of Agronomy and Plant Breeding Sciences, College of Aboureihan, University of Tehran, Pakdasht, Iran.

3 Professor, Department of Agronomy and Plant Breeding Sciences, College of Aboureihan, University of Tehran, Pakdasht, Iran.

4 Assistant Professor, Department of Agronomy and Plant Breeding Sciences, College of Aboureihan, University of Tehran, Pakdasht, Iran.


This study attempts to evaluate the effects of planting date and spraying CCC on some biochemical characteristics and qualitative and quantitative yield of sugar beet. It has conducted an experiment, using a Split factorial based on randomized complete block design with three replications in 2015-2016 growth season in field experiment of university of Abourayhan, Tehran University. The treatments include planting date (2nd of October and 22nd of October) as the main factor and cultivars (Suprima and 9597) and foliar spraying (1000 ppm) / non-application of CCC as sub plots. The results show that the highest percentage of bolting (54.58%) and sodium content (equivalent to 9.16 mEq / 100 g of sugar beet pulp) take place on October 2, while the highest root yield (26.15 ton per hectare) and white sugar yield (equal to 1.44 tons per hectare) happen on October 22. Also, it has been observed that most values of the studied traits (except bolting percentage and sodium content of sugar beet pulp) have occurred through the cultivation of Suprema with CCC spraying. Overall, it can be concluded that the best conditions to determine the best root and sugar yield in the area of ​​research, on 22nd of October, the Suprima and application of 1000 ppm are recommended in order to cultivate sugar beet in the Pakdasht area.


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