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Table 4

Distribution of 14C among various fractions of labeled substances in ears’ caryopses (%), which were transported from various assimilated 14CO2 wheat organs.

Time elapsed after the 14CO2 adding of photosynthesizing organ (hours) Lipid pigments Low molecular weight compounds Proteins Polysaccharides
Donor – flag leaf
2 3.2 ± 0.3 70.4 ± 9.3 26.0 ± 1.2 0.4 ± 0.3
6 2.9 ± 0.7 46.9 ± 8.9 49.8 ± 8.9 0.4 ± 0.2
22 3.1 ± 0.2 30.3 ± 3.6 64.9 ± 3.4 1.7 ± 0.1
Donor – stem
2 4.7 ± 1.8 41.5 ± 4.9 52.8 ± 4.5 1.0 ± 0.2
6 5.9 ± 0.8 32.8 ± 2.9 59.2 ± 4.7 2.1 ± 1.3
22 6.2 ± 1.2 25.9 ± 3.4 66.7 ± 4.1 1.2 ± 0.1
Donor – ear
2 4.7 ± 1.7 55.8 ± 5.2 38.8 ± 4.7 0.7 ± 0.1
6 4.2 ± 1.5 40.2 ± 2.9 54.4 ± 2.9 1.2 ± 0.2
22 4.5 ± 1.1 33.5 ± 2.4 60.7 ± 5.8 1.3 ± 0.4

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