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Total soluble proteins amount in vegetative buds and needles of norway spruce during the bursting time (CROSBI ID 96677)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Cesar, Vera ; Lepeduš, Hrvoje ; Has-Schön, Elizabeta Total soluble proteins amount in vegetative buds and needles of norway spruce during the bursting time // Acta Botanica Hungarica, 43 (2001), 3-4; 299-309-x

Podaci o odgovornosti

Cesar, Vera ; Lepeduš, Hrvoje ; Has-Schön, Elizabeta

engleski

Total soluble proteins amount in vegetative buds and needles of norway spruce during the bursting time

The vegetative buds and later on young needles as well as needles formed in spring previous year of Picea abies were used in the experimental work. Extracted proteins were determined spectrophotometrically and the amount of dry weight was measured. The data revealed that the dry weight of needles formed in spring previous year was about three times higher than in vegetative buds at the beginning of investigation. During the sampling period, the dry weight in those needles was keeping nearly the same level (39-54%). The increase in dry weight was noticed in the young needles 5-6 weeks after vegetative buds burst. The amount of total soluble proteins in the needles formed previous year was about 140 mg/g of dry weight and it was uniformed during the investigation period. In vegetative buds the amount of proteins was three times higher than in needles. But, the concentration starts to decrease just before bursting of the vegetative buds as well as during next 2 or 3 weeks when young shoot proliferated. After this decreasing period amount of proteins in newly formed needles briefly reached (in 2 weeks period) the level as it was in vegetative buds. In the following period the decrease of water amount as well as the protein amount in young needles was observed.

Picea abies; vegetative buds; needles; proteins

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Podaci o izdanju

43 (3-4)

2001.

299-309-x

objavljeno

0236-6495

Povezanost rada

Biologija

Indeksiranost