The investigation of barley breeding lines with increased protein content
1999
Belicka, I. (Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture. Inst. of Crop Sciences. Dept. of Plant Production)
For the improvement of the nutritional value of barley, hull-less mutant X-4 by Hiproly was used as a donor of high protein content in hybridization. Hulled and hull-less barley lines with increased protein content were developed. During 1996-1998 with changing meteorological conditions the new lines exceeded by 2.4-6.9 % the protein content of standard variety "Abava" (10.3-13.3 %). The grain yields of hulled and hull-less barley lines were 65.2-89.5 % and 60.6-78.7 % respectively in comparison with standard variety "Abava" (4.31-4.71 t haE-1). The protein yields of the best lines were 90.8-108.9 % compared to "Abava". The content of essential amino acids was higher than that of hulled parents.
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