Shaping of plant habit of spring barley varieties under different spectral composition of radiation
Bogusława Jaśkiewicz
iung@iung.pulawy.plZakład Uprawy Roślin Zbożowych, Instytut Uprawy Nawożenia i Gleboznawstwa w Puławach (Poland)
Abstract
The effect of far-red to red radiation ratio (FR/R) on plant height and tillering was investigated on four barley cultivars with different stand density requirements. Single plants were grown in Mitcherlich pots and kept in two growth chambers (Heraeus type) with different FR/R ratios: 0.1:1 and 1.1:1. Under the higher FR/R ratio, two cultivars with low seeding rate requirements showed a remarkable decrease in number of tillers, whereas the other two cultivars, requiring more dense stand, had the same (low) level of tillering, independently on the radiation spectral composition.
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Keywords:
varieties, spectral composition of radiation, plant habit, spring barleyReferences
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Authors
Bogusława Jaśkiewicziung@iung.pulawy.pl
Zakład Uprawy Roślin Zbożowych, Instytut Uprawy Nawożenia i Gleboznawstwa w Puławach Poland
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