Genetic improvement of quantity/quality yield of black cumin (Nigella sativa L.) ecotypes cultivated in Iran climatic conditions
الموضوعات : مجله گیاهان داروییسعید صالحی 1 , اسد رخ زدی 2 , قربان نورمحمدی 3 , سید محمدجواد میرهادی 4 , احمدرضا گلپرور 5
1 - Young Researchers and Elite Club, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
2 - Department of Agronomy, College of Agriculture, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
3 - Department of Agronomy, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
4 - Department of Agronomy, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
5 - Department of Agronomy and plant Breeding, College of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
الکلمات المفتاحية: Path Analysis, genetic variation, Nigella sativa L, Regression, Selection criteria,
ملخص المقالة :
Background & Aim: Black seed or black cumin (Nigella sativa L.) belongs the family Ranunculaceae. Black seed is one of these species, which is naturally distributed in different parts of the country. It is extensively cultivated in various regions of Iran. Experimental: The experiment was achieved using randomized complete block design with three replications in the research field of Islamic Azad University of Isfahan Branch during 2013. Seed of ten ecotypes namely; Semirom, Zawareh, Golpayegan, Fereydan, Meymeh, Kashan, Khansar, Daran, Ardestan and Isfahan were cultivated in the plots comprising four rows. The essential oil was extracted by a Clevenger type apparatus andanalyzed by using GC/MS. Results & Discussion: Statistical analysis indicated that there was significant difference among all traits. The results of regression and path analysis indicated that the number of branches, grain filling rate and days to blooming traits were the best indirect selection criteria to improve yield in black cumin. According to the results of this research, Fereydan and Daran ecotypes showed the optimum amount of essential oil content andmorphological traits. Furthermore, cross between these ecotypes has suitable advantage to increase seed and oil yield in black cumin breeding programs. Industrial and practical recommendations: There are few researches about breeding of black cumin. The results of present study could be applied in research centers as well by farmers to cultivate commercially and production black cumin especially for seed.
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