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GrainGenes Reference Report: BIU-231-115

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Reference	BIU-231-115
Title	The evaluation of variability of uptake and utilization efficiency of nitrogen and phosphorus in spring wheat. Part II. Water culture experiment
Journal	Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin
Year	2004
Volume	231
Pages	115-127
Author	Oracka T Kozodoj J Ciepy J
Language	Polish
Abstract	Plants of 39 strains and 3 cultivars of spring wheat were grown hydroponically until shooting phase at low level of mineral elements (0.5 concentrated Hoagland medium solution), in a growth chamber. Dry matter, N and P content of plant organs, number and mass of seminal and adventitious roots, number of spikelets per spike and the main spike development stage were determined. Indices of N and P accumulation and utilization efficiency were calculated. Statistically significant differences between the wheat genotypes have been stated for all the investigated characteristics. A wide variability in dry matter of above ground part and roots, nitrogen and phosphorus contents was found among the wheat strains and cultivars. Nitrogen and phosphorus utilization efficiency showed the lowest coefficients of variability. Basing on analysis of important traits, there is a possibility of selection of spring wheat lines with high efficiency of nitrogen and phosphorus uptake and utilization together with high dry mass of plants and roots. The RAH 1796, KOC 2249/98, KOC 3845/98 examined in water culture experiment and field experiments, showed high values of these traits. The joint results of phytotron and field experiments enabled complex evaluation of wheat strains and selection of breeding material
Keyword	[ Hide all but 1 of 24 ] adventitious roots characteristics chemical composition cultivar dry matter genotype growth hydroponics nitrogen nitrogen content nitrogen fertilizer nutrient uptake organs phosphorus phosphorus fertilizers plant composition plant parts root selection soilless culture spikelets spring uptake use efficiency

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