Selenium enrichments of Cauliflower (Brassica oleracea L. var. Botrytis) and Broccoli (Brassica oleracea L. var. Italica) grown under driphydroponic system hybrid 704
Journal Title: International Journal of Farming and Allied Sciences - Year 2016, Vol 5, Issue 2
Abstract
Difano and Organza f1 Cauliflower cultivars and Calbrese Broccoli cultivars were enriched with Selenium, as they were irrigated with nutrient solutions containing 0, 0.5, 1 and 1.5 mg.l-1 Selenium by drip-hydroponic system. Our intention was to produce cauliflower and broccoli foods containing sufficient Selenium to cure some diseases including cancer. The obtained results revealed that all applied rates of Selenium were within the valid rates, where the highest accumulated Selenium on dry basis was (5.06 µg.g-1) which goes to 0.5 µg.g-1 in fresh edible tissues. However, increases applied Se rate tended to reduce to accumulated Se in curds and adversely affected growth. Fulvic-Humic acid reduced accumulated Se in curd and improved IAA, GA3, ABA, CK homeostasis, N, K, Cu, Zn, Fe and Ca. The best capability of Se accumulation was Difino F1 followed by Calbrese then Organza F. The lowest accumulated se (0.53 µg.g-1) in curd tissue found in Organza treated 1ml.l-1 Fulvic-Humic irrigated with 1mg.l-1 Se contained water, Calbrese (1.76µg.g-1) treated 0ml.l-1 Fulvic-Humic irrigated with 1.5 mg.l-1 Se contained water and Difino (3.06 µg.g-1) treated 2ml.l-1 Fulvic-Humic irrigated with 1.5 mg.l-1 Se contained water.
Authors and Affiliations
Caser G. Abdel and H. O. Ali
Keywords
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