Effect of Nutration, Substrate and the Removal of Runners upon Strawberry Fruit Content of Phytochemicals Relevant to Human Health
نازك حقي خليل . فاضل حسين الصحاف . وليد عبدالغني الراوي
DOI:
https://doi.org/10.59658/jkas.v5i5.391Abstract
An experiment carried out in an unheated Plastichouse unit of the Department of Horticulture / College of Agriculture / University of Baghdad for the years 2011-2012 and 2012-2013, to increase the fruit content of phytochemicals relevant to human health, of Strawberry Fragaria ananassa Duch. Var. Festival, by using Soilless culture system in organic media.
The experiment carried out according to Nested-Factorial Experiment design with three replicates, and means were compared by L.S.D test at 5% level .It included 16 treatment to study the effect of three factors, removal of runners by dividing plants to two grops B (runners were removed from plants) and C (without removal), the second factor is the type of agricultural substrate, 1 (Perlite + Peat moss 1:1standard), 2 (Perlite + Peat moss + Sheep manure 1:1:1), 3 (Perlite + Peat moss + Caw manure 1:1:1) and 4 (Perlite + Peat moss + Poultry manure 1:1:1), and the third factor is either using mineral nutrition solution particularly for the production of strawberries in subtropical conditons in soilless system (WN) or without using nutrition (WoN).
Results showed that organic matter significantly affect fruit content of phytochemical relevant to human health, such as anthocyanins in WoNC4 and WNB2 were (54.44 & 52.46) mg.100g-1, ascorbic acid in WNB4 and WNB2 were (128.3 & 180.8) mg, β-carotene in WNC4 and WoNC4 were (33.70 & 34.06)µg.100g-1 and folate (B9) in WNB4 were (394.7 & 367.6) µg. .100g-1 . WoNB1 fruits had the lowest concentration of nitrate was (13.47 & 4.38) mg.100g-1D.W, while WoNB1 and WoNC1 had the lowest concentration of oxalat were (0.957 & 0.110) mg.100g-1F.W in the two years respectively.
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