What was the substance that F. Skoog and his co-workers found to be essential for the proliferation of…

What was the substance that F. Skoog and his co-workers found to be essential for the proliferation of callus from the internodal segments of tobacco stems?
  1. Kinetin
  2. Abscisic acid
  3. Gibberellic acid
  4. A combination of auxins and one of the following: extracts of vascular tissues, yeast extract, coconut milk, or DNA)

Solution

F. Skoog and his co-workers observed that the callus proliferated from the internodal segments of tobacco stems only if, in addition to auxins, the nutrients medium was supplemented with one of the following: extracts of vascular tissues, yeast extract, coconut milk, or DNA)

Asked in: NCERT

Practice more Plant Growth and Development questions on Aicharya