Effects of ecological and cropping factors on beta-glucan content in oats
1996
Hubik, K. | Tichy, F. (Zemedelsky Vyzkumny Ustav, Kromeriz (Czech Republic))
Effects of the location, genotype and nitrogen fertilization on the content of water-soluble beta-glucans in grain dry matter were investigated. A method of flow injection analysis as modified by Jorgensen using a device of his own construction was used. Barley beta-glucans were used as a standard. Beta-glucan content in oat grain was the most affected by the genotype and then by the location. Effects of fertilization were not significant. Highly significant interaction, were genotype x location and genotype x fertilization, where the genotype x location interaction shows a higher proportion as determined by F-ratio. The highest content of beta-glucan was determined in the genotype Adam (3.0 %) which significantly differed from the other genotypes studied. The genotype Zlatak and line KR 9506 showed the lowest average beta-glucan contents both being 1.9 %. The other genotypes can be divided into two groups between which is a significant difference. The first groups includes genotypes David, Auron and Ardo. The last one a transition to the other group which consists of Abel and Flaemingsnova. The difference between the average beta-glucan content in oat grain in all of investigated genotypes in the variant with the highest effect, and the variant with the lowest effect, was 0.2 percent only. The other fertilization variants were transitional ones and did not show significant influence. The last factor which can affect beta-glucan content in oat grain was the location.
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