Colwell, Hector Alfred, Russ, Sidney · London, G. Bell and sons · leaf 154
growth was apparentlyaccelerated, as may be seen from the following data : (i) Concentration of emanation .0124 milli-curie per litre ;after nine days : In emanation vessel 45 shoots measured 18-19 cms. long. ^-11 -16 21 In control vessel - 20 ,, ,, 15- - 28 ,, ,, 2-10 (2) Concentration of… … 48 HOURS 24 HOURS I HOUR CONTROL Fig. 19.—hyringa Vulgaris exposed to 29.4 mgs. radiiim chloride. connection the experiments of Hebert and Kling {vide infra)upon lilac leaves are interesting, as showing that the chlorophyll-containing cell can exercise the power of assimilation when underthe…
X-rays -- Physiological effect
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