Evaluation of different levels of water deficient effects on sunflower cultivars

Journal Title: International Journal of Farming and Allied Sciences - Year 2015, Vol 4, Issue 3

Abstract

Among the oily seeds, the sunflower having both a high oil quality and its oil being suitable and desirable for edible consumption, is also resistant to dryness tension and can resist against it better than some weeding plants. In order to investigate the resistance of different cultivars of sunflowers against the drought tension, the effects of irrigation time on the cultivars of Zaria, Master, Hysun36, Favorit and Lakumka were investigated in a study in the farm of Kabootar Abad in Isfahan in 1392. Irrigation times as the primary plots in 3 levels as well as the cultivars as the secondary plots in 5 levels were examined in the form of spilit plots in the design format of completely randomized blocks in 3 repetitions. The highest and lowest efficiencies of water consumption were obtained through irrigation treatment based on the evaporations of 180 and 130 millimeters out of the evaporation small tubs, respectively. In addition, the highest efficiency of water consumption was obtained by Zaria cultivar, which was not significantly different from the other cultivars of Master, Favorit and Hysun36. The lowest efficiency of water consumption was obtained by the cultivar of Lakumka. The highest and lowest percentages of oil were obtained through irrigation treatment based on the evaporations of 130 and 180 millimeters out of the evaporation small tubs, respectively. Besides, the highest and lowest percentages of oil were obtained by the cultivars of Zaria and Favorit, respectively. The highest amount of biologic performance, yield index, oil performance, seed performance, one thousand seeds weight, leaf surface, bush height and also the number of flowering, as well as full flowering and reaping were obtained by the witness treatment, while the lowest amounts were obtained by the irrigation treatment based on the evaporation of 180 millimeters out of the evaporation small tub. The results of this study indicate that under the mild tension conditions (irrigation based on the evaporation of 130 millimeters out of the evaporation small tub). The cultivar of Master had the highest stability tension index (STI), as well as the highest indexes of geometrical mean productivity ( GMP) and mathematical productivity (MP), which seems a suitable figure in mild tension conditions of the Master cultivar .Under the severe tension conditions (irrigation based on the evaporation of 180 millimeters out of the evaporation small tub), the cultivar of Zaria had the highest STI, as well as indexes of GMP and MP, which seems a suitable figure in severe tension conditions of the Zaria cultivar.

Authors and Affiliations

Elham Safikhani and Bahram Majd Nassiry

Keywords

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  • EP ID EP32756
  • DOI -
  • Views 319
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How To Cite

Elham Safikhani and Bahram Majd Nassiry (2015). Evaluation of different levels of water deficient effects on sunflower cultivars. International Journal of Farming and Allied Sciences, 4(3), -. https://europub.co.uk/articles/-A-32756