Response of the fatty acids concentration and some active compounds in purslane plant to planting dates and organic and foliar fertilization Available to Purchase

The current study was carried out in the wooden canopy of the horticultural station in Al-Hawija district / Kirkuk governorate during the year 2020, where the seeds of Portulaca oleracea L. were planted in two dates, the first planting date is 15/9 and the second date is 1/10. The plants were treated with twenty-five fertilizer treatments that resulted from the combination of five levels of organic fertilization are (O0 = without organic fertilization, O1 = 5% poultry waste, O2 = 7.5% poultry waste, O3 = 5% sheep waste, O4 = 7.5% sheep waste), and five treatments for spraying with mineral fertilizers (S0 = without spraying, S1 = nitrogen, S2 = phosphorous, S3 = potassium, S4 = magnesium), and the seeds were planted in 5 kg pots, and the experiment was designed with a factorial experiment inside split-plot system according to the Randomized Complete Block Design. Traits have been studied was the levels of fatty acids (a-linolenic acid, Ecospentaenoic and Docosahexaenonic), and some active compounds (berberine, vitamin C, and carotenoids). The results are as follows: The early date 9/15 was significantly superior to the late date 1/10 in all studied traits. The organic fertilization O3 and foliar S2 treatments were superior in the levels of a-linolenic acid, Ecospentaenoic, Docosahexaenonic and berberine, while the O4 and S4 treatments were superior in the concentration of vitamin C and carotenoids. The interactions of these superior transactions also interactions each other and with the first date in achieving the best values for the studied traits.