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This article in AJ

  1. Vol. 61 No. 5, p. 663-665
     
    Received: July 16, 1968


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doi:10.2134/agronj1969.00021962006100050003x

Effect of Light, Culture Solution, and Growth Period on Growth and Chemical Composition of Hydroponically Produced Oat Seedlings1

  1. C. R. Trubey,
  2. C. L. Rhykerd,
  3. C. H. Noller,
  4. D. R. Ford and
  5. J. R. George2

Abstract

Abstract

Oats were grown to evaluate the effect of light, culture solution and growth period on the growth and chemical composition of the young seedlings when grown in a hydroponic unit. The treatments consisted of light and dark, culture solution with and without nutrient elements and 3- and 6-day growth periods.

Seedlings receiving light were significantly lower in fresh weight, crude protein and water soluble carbohydrates but considerably higher in beta-carotene. Light did not affect dry matter or ash content over the relatively short growth periods. The addition of nutrient elements to the culture solution did not affect fresh weight, dry matter, crude protein, beta-carotene or ash content but decreased the water soluble carbohydrate content. Growing the oat seedlings for 6 days resulted in higher fresh weight, soluble carbohydrates, beta-carotene, and ash contents as compared to the seedlings of the 3-day growth period. Length of growth period did not affect crude protein content but a dry matter decrease was observed for the 6-day growth period.

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