In the spring of 1950 work was begun on research involving the attenuation of the effects of x-
rays and other irradiations upon sorghum seedlings. During the progress of this research it …

High school science teachers, District Directors of the Junior Academy, and all other
members of the Academy are invited to send" News Items" for use in this section. For …

Within the past few years, reports in the literature indicate the increasing use of detailed
autoradiographic techniques in problems concerned with the location of areas of deposition …

Autoradiography, a technique combining radiochemistry, microtechnique and photography,
offers another method for studying the morphology, physiology and cytology of plants. As …

BRIEF PAPERS in the Florida Agricultural Experiment Station was used. The seeds were
planted in the field and so staggered as to minimize the effects of possible soil variation. The …

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Introduction.-The present investigation was initiated to compare the effects of irradiating
dormant seeds of barley with x-rays and thermal neutrons on seedling height and …

A method of autoradiography has been developed which allows the record of single, a-
particles emitted from sections of plant tissue 5-7~ L thick. The method allows resolution of …

In the course of a series of investigations now in progress on the biological effects of x-rays,
it was considered of interest to conduct some experiments in the subjecting of dry and moist …

The effects of x-rays on seeds have been investigated by a number of observers. It is
generally agreed that a heavy dose of x-rays is injurious to the plants and retards growth …