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SEEDLING ROOT AND SHOOT GROWTH OF A COMMERCIAL WHEAT HYBRID AND ITS PARENTS
R. K. Bacon and C. A. Beyrouty
Cereal Research Communications
Vol. 15, No. 4 (1987), pp. 237-240
Published by: Akadémiai Kiadó
Stable URL: http://www.jstor.org/stable/23782884
Page Count: 4
You can always find the topics here!Topics: Heterosis, Wheat, Plant roots, Seedlings, Hybridity, Root growth, Genotypes, Crop science, Root systems, Plants
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A commerically grown soft red winter wheat (Triticum aestivum L.) hybrid, its parental lines, and a pure-line control were grown in a controlled environment chamber to characterize seedlings root and shoot growth. Seedlings were grown for 37 days in plexiglass tubes (10 cm × 10 cm × 100 cm). Fresh weight, dry weight, and length of both the roots and shoots were recorded. The hybrid had significantly greater shoot fresh weight and dry weight than the mid-parent value, averaging 0.33 g and 0.05 g more than the mid-parent, respectively. The hybrid also had a significantly greater shoot fresh weight than the control genotype. Root length and fresh weight tended to be greater for the hybrid. Significant heterosis was found for shoot fresh weight (37.6%), shoot dry weight (38.5%) and root fresh weight (51.8%).
Cereal Research Communications © 1987 Akadémiai Kiadó