The Effect of different irrigation intervals and anti-transpiration compounds on yield and yield components of Black Cumin (Nigella sativa)
Journal Title: International journal of Advanced Biological and Biomedical Research - Year 2014, Vol 2, Issue 4
Abstract
Water deficit stress, permanent or temporary, limits the growth and the distribution of natural vegetation and the performance of cultivated plants more than any other environmental factor. Mechanism involved is still not clear. In order to investigate the effect of different irrigation intervals and anti-transpiration compounds on yield and yield components of black cumin (Nigella sativa), an experiment was conducted at research station, Faculty of Agriculture, Ferdowsi University of Mashhad, in 2012 - 2013. A split-plot layout based on randomized complete block design with three replications was used. Irrigation intervals (8, and 16 days) were allocated to main plots and anti-transpiration compounds including chitosan (0.25, 0.5, 1 percent) and Plantago psyllium mucilage (0.5, 1, 1.5 percent) and arabic gum (0.25, 0.5, 0.75 percent) were allocated to sub plots. Results showed that irrigation intervals had significant effects on number of capsule per plant, number of seeds per capsule, number of seeds per plant, seed weight per plant, seed yield, biological yield and harvest index (HI), but there was no significant effect on weight of 1000 seeds. The 8 days irrigation interval produced more grain yield compared to 16 days irrigation intervals (621.56kg/he, 484.23kg/he). The greatest seed yield (760 kg/he) and lowest (419 kg/he) respectively at treatment anti-transpiration compound chitosan 1% with 8 days irrigation interval and arabic gam 0.25% was obtained with 16 days irrigation interval. It seems that due to the lack of water in the area, anti-transpiration compound chitosan 1% with 8 days irrigation interval is the best combination for nigella sativa grain production in Mashhad.
Authors and Affiliations
Zeinab Safaei| MS student of Horticulture Department, Ferdowsi University of Mashhad, Mashhad, Iran, Majid Azizi| professor of Horticulture Department, Ferdowsi University of Mashhad, Mashhad, Iran, Yarahmadi Maryam| Department of Horticultural Science, College of Agriculture, Science and research of Tehran, Tehran Iran, Hossein Aroiee| Associate of Horticulture Department, Ferdowsi University of Mashhad, Mashhad, Iran, Gholamhossein Davarynejad| professor of Horticulture Department, Ferdowsi University of Mashhad, Mashhad, Iran
Keywords
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