Agriculture, Forestry and Fisheries
Volume 5, Issue 6, December 2016, Pages: 280-284
Received: Sep. 24, 2016;
Accepted: Oct. 8, 2016;
Published: Jan. 16, 2017
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Maha Zein Elabdein Gaffer Omer, Agricultural Research Corporation (ARC), Gezira Research Station, Wad Medani, Sudan
Abdelwahab Hasan Abdalla, Department of Agronomy, Faculty of Agriculture, University of Khartoum, Khartoum, Sudan
A nursery experiment was conducted during the summer of 2007 at the nursery of the Faculty of Agriculture, University of Khartoum, latitude 15° 40' and longitude 32° 32', to investigate the effect of salt concentration on growth and yield of two lines of forage sorghum. The salt levels were: the control that no salt was added to the tap water, adding 40 gramme of NaCl to a liter of tap water to give an electric conductivity (E. C.) of 6 dsm-1, adding 50 gramme of NaCl to a liter of tap water to give E. C. of 8 dsm-1 and adding 60 gramme of NaCl to a liter of tap water to give E. C. of 10 dsm-1. The two lines of sorghum were R5 and KHS. The treatments were randomly assigned in a Factorial experiment as completely randomized design with ten replications. The growth parameters that were measured included: stem diameter (mm), average relative growth rate (ARGR), and average relative leaf area rate (ARLAR), dry weight per plant, in addition to the percentage of some elements. The effect of the treatments on stem diameter was significant regarding the two selected genotypes only at 37 and 48 days after sowing, while there was no significant difference between salt levels and the interaction at all sampling occasions. On the other hand, the effect of the treatments on ash, Na+ and P was not significant, but the effect of the genotypes and the interaction on K+ was significant. Average relative growth rate increased with plant age, and KHS line was superior to R5. Average relative leaf area rate decreased at the end of crop life and R5 genotype obtained higher ARLAR that was 3.7 than KHS, which were 3. 4 with the overall mean 3.5.
Maha Zein Elabdein Gaffer Omer,
Abdelwahab Hasan Abdalla,
The Effect of Salt Concentration on Growth and Yield of Two Forage Sorghum (Sorghum bicolor (L.) Moench) Lines, Agriculture, Forestry and Fisheries.
Vol. 5, No. 6,
2016, pp. 280-284.
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