Paper Information

Journal:   JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY)   SPRING 2017 , Volume 31 , Number 1 #P0096; Page(s) 167 To 179.
 
Paper: 

EFFECT OF SE ON YIELD AND VEGETATIVE CHARACTERISTICS OF BRUSSELS SPROUTS IN HYDROPONICS

 
 
Author(s):  KHADEMI ASTANEH R.*, TABATABAEI S.J., BOLANDNAZAR S.
 
* DEPARTMENT OF HORTICULTURE SCIENCE, UNIVERSITY OF TABRIZ
 
Abstract: 

Introduction: Selenium is a non-metallic, rare chemical element and essential for many organisms but this element is not mentioned as an essential element for plants. Due to its presence in antioxidant defense systems and hormonal balance, selenium is known to be necessary in human and animal health Plants exhibit a variety of physiological responses to selenium. Some species accumulate large amount of selenium, while many plant species are sensitive to presence of large amounts of selenium in soil and water. The mean, the maximum and tolerance level of selenium required for humans is 45, 55 and 400 micrograms, respectively (Dietary Reference). but acute toxicity level in animals are found with a concentration of 1000 ppm. Plants absorb and storage selenium in chemical form and concentration depends on pH, salinity and calcium carbonate content. High contents of selenium reduce plant growth and plant dryness, however in some plants low selenium concentrations improved growth and increase stress resistance by maintenance of chloroplast enzymes. Positive response to the use of selenium were mentioned in lettuce, potato, mustard, crap, darnel, soybean (Glycinemax...

 
Keyword(s): FLOATING, HYDROPONIC, LEAF AREA, NUMBER OF SPROUTS
 
References: 
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