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GrainGenes Reference Report: BIU-231-321

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Reference	BIU-231-321
Title	The influence of laser light on leaves area and yield structure parameters in DH lines of spring barley ( Hordeum vulgare L.)
Journal	Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin
Year	2004
Volume	231
Pages	321-329
Author	Rybinski W Garczynski S
Language	Polish
Abstract	The study material consisted of seeds of four DH lines (two hull-less and two hulled lines) of spring barley. Before sowing, the grains of chosen lines were irradiated for 60 or 180 minutes. A helium-neon laser working in the range of red light at the wavelength of 632 nm and power capacity 24 mW was used as a source of irradiation. The plants grown from untreated grains were a control combination. The influence of laser light on area of penultimate and flag leaves as well as parameters of yield structure were analysed. The results showed the dependence of leaf area on both the applied laser light exposure and plant genotype. In all the analysed lines, laser light had a significant biostimulating effect on leaf area. The effect increased with increase of a dose of irradiation. The reactions of particular DH lines differed greatly. The highest tendency to enlarge the size of penultimate and flag leaves was observed with hull-less lines R63N/14 and R58N/91. In general, laser light stimulated the yield structure parameters, although a small reducing effect of the treatment on some traits was also observed
Keyword	barley [ Show all 16 ]

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