Related Experiment Video
Updated: Jul 12, 2026

Protocols for Robust Herbicide Resistance Testing in Different Weed Species
Published on: July 2, 2015
Relative Radiosensitivities of Woody and Herbaceous Spermatophytes
Abstract:
The sensitivities of several woody and herbaceous species to single acute exposures to cobalt-60 gamma rays have been determined. Within each group the sensitivity of each species is largely determined by its average interphase chromosome volume (interphase nuclear volume divided by chromosome number) of shoot apical meristem cells. On the basis of the calculated amounts of energy absorbed (in kiloelectron volts) per interphase chromosome at an exposure necessary to produce a given biological effect, woody species were approximately twice as sensitive as herbaceous species.
Related Concept Videos
Frequency-dependent Selection
Photoreceptors and Plant Responses to Light
Seedless Vascular Plants
Asexual Reproduction
Responses to Salt Stress
Epiphytes, Parasites, and Carnivores

