African Journal of Agriculture
African Journal of Agriculture ISSN 2375-1134 Vol. 7 (8), pp. 001-003, August, 2020.© International Scholars Journals
Determination of the suitable planting date and plant density for different cultivars of barley (Hordeum vulgare L.) in Fars
Ali Soleymani1*, Mohamad Hesam Shahrajabian2 and Lila Naranjani3
1Department of Agronomy and Plant Breeding, Islamic Azad University, Khorasgan (Esfahan) Branch, Esfahan, Iran.
2Department of Agronomy and Plant Breeding, Faculty of Agriculture, Ramin Agriculture and Natural Resource, University, Ahwaz, Iran.
3Department of Basic Sciences, Islamic Azad University, Dolatabad Branch, Esfahan, Iran.
Accepted 21 March, 2020
In order to determine the suitable planting date and plant density in different cultivars of barley (Hordeum vulgare L.) in semi arid region, an experiment was conducted at Research Farm, Lamard, Fars, Iran in 2002 to 2003. The main plots were planting dates, November 6th and December 6th, the sub plots were plant densities, 250, 350 and 450 plants per m2, and the sub sub plots were three cultivars of barley, namely: Kavir, Rayhanee and Karun. Effect of planting date was significant on the number of days from planting to physiological maturity. Cultivar had significant effect on the number of days from planting to physiological maturity, plant height, grain yield and harvest index. The interaction between planting date and cultivar was significant on aboveground biomass and grain yield, and also, the interaction between plant density and cultivar was significant on grain yield. Early sowing was as a result in a decrease in grain yield. The differences in grain yield between different plant densities demonstrated the remarkable influence of sowing density on this important factor. It seems that cultivation of karun, with 450 plants per m2 in November 6th is suitable for this region.
Key words: Planting date, plant density, cultivars, barley.
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